Show Commands


Label	Description
Interface	Interface name associated with the neighbor.
System-id	Neighbor’s system ID.
Level	1-L1 only, 2-L2 only, 3-L1 and L2.
State	Up, down, new, one-way, initializing, or rejected.
Hold	Hold time remaining for the adjacency.
SNPA	Subnetwork point of attachment, MAC address of the next hop.
Circuit type	Level on the interface L1, L2, or both.
Expires In	Number of seconds until adjacency expires.
Priority	Priority to become designated router.
Up/down transitions	Number of times neighbor state has changed.
Event	Event causing last transition.
Last transition	Time since last transition change.
Speaks	Supported protocols (only IP).
IP address	IP address of neighbor.
MT enab	Yes The neighbor is advertising at least 1 non MTID#0.
Topology	Derived from the MT TLV in the IIH • MT#0, MT#2 => “Topology : Unicast, IPv6-Unicast” • Native IPv4 or native IPv6 => “Topology : Unicast” Not supported MTID's => Topology line suppressed

Sample Output

*A:Dut-C# show router  isis adjacency

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

System ID                Usage State Hold Interface                     MT-ID

-------------------------------------------------------------------------------

Dut-B                    L1L2  Up    23   to_Dut-B                      0

Dut-D                    L1L2  Up    23   to_Dut-D1                     0

-------------------------------------------------------------------------------

Adjacencies : 2

===============================================================================

*A:Dut-C# show router  isis adjacency Dut-D detail

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

SystemID    : Dut-D                            SNPA        : 00:00:00:00:00:04

Interface   : to_Dut-D1                        Up Time     : 0d 00:05:23

State       : Up                               Priority    : 0

Nbr Sys Typ : L1L2                             L. Circ Typ : L1L2

Hold Time   : 19                               Max Hold    : 27

Adj Level   : L1L2                             MT Enabled  : No

Topology    : Unicast

IPv6 Neighbor     : fe80::200:ff:fe00:4

IPv4 Neighbor     : 1.3.4.4

IPv4 Adj SID      : Label 262139

Restart Support   : Disabled

Restart Status    : Not currently being helped

Restart Supressed : Disabled

Number of Restarts: 0

Last Restart at   : Never

===============================================================================

*A:Dut-C#

*A:ALA-A# show router isis adjacency  180.0.7.12

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

System ID                        Usage State Hold Interface

-------------------------------------------------------------------------------

asbr_east                        L2    Up    25   if2/5

-------------------------------------------------------------------------------

Adjacencies : 1

===============================================================================

*A:ALA-A#

*A:ALA-A# show router isis adjacency if2/5

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

System ID                        Usage State Hold Interface

-------------------------------------------------------------------------------

asbr_east                        L2    Up    20   if2/5

-------------------------------------------------------------------------------

Adjacencies : 1

===============================================================================

*A:ALA-A#

*A:Dut-A# show router isis adjacency detail

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

SystemID    : Dut-B                            SNPA        : 20:81:01:01:00:01

Interface   : ip-3FFE::A0A:101                 Up Time     : 0d 00:56:10

State       : Up                               Priority    : 64

Nbr Sys Typ : L1                               L. Circ Typ : L1

Hold Time   : 2                                Max Hold    : 2

Adj Level   : L1                               MT Enabled  : Yes

Topology    : Unicast, IPv6-Unicast

IPv6 Neighbor     : FE80::2281:1FF:FE01:1

IPv4 Neighbor     : 10.10.1.2

Restart Support   : Disabled

Restart Status    : Not currently being helped

Restart Supressed : Disabled

Number of Restarts: 0

Last Restart at   : Never

SystemID    : Dut-B                            SNPA        : 20:81:01:01:00:01

Interface   : ip-3FFE::A0A:101                 Up Time     : 0d 00:56:10

State       : Up                               Priority    : 64

Nbr Sys Typ : L2                               L. Circ Typ : L2

Hold Time   : 2                                Max Hold    : 2

Adj Level   : L2                               MT Enabled  : Yes

Topology    : Unicast, IPv6-Unicast

IPv6 Neighbor     : FE80::2281:1FF:FE01:1

IPv4 Neighbor     : 10.10.1.2

Restart Support   : Disabled

Restart Status    : Not currently being helped

Restart Supressed : Disabled

Number of Restarts: 0

Last Restart at   : Never

SystemID    : Dut-F                            SNPA        : 00:00:00:00:00:00

Interface   : ies-1-3FFE::A0A:1501             Up Time     : 0d 01:18:34

State       : Up                               Priority    : 0

Nbr Sys Typ : L1L2                             L. Circ Typ : L1L2

Hold Time   : 5                                Max Hold    : 6

Adj Level   : L1L2                             MT Enabled  : Yes

Topology    : Unicast, IPv6-Unicast

IPv6 Neighbor     : FE80::2285:FFFF:FE00:0

IPv4 Neighbor     : 10.10.21.6

Restart Support   : Disabled

Restart Status    : Not currently being helped

Restart Supressed : Disabled

Number of Restarts: 0

Last Restart at   : Never

===============================================================================

*A:Dut-A#

A:Dut-A# show router isis status

===============================================================================

Rtr Base ISIS Instance 0 Adjacency

===============================================================================

System Id            : 0100.2000.1001

Admin State          : Up

Ipv4 Routing         : Enabled

Ipv6 Routing         : Disabled

Last Enabled         : 08/28/2006 10:22:17

Level Capability     : L2

Authentication Check : True

Authentication Type  : None

CSNP-Authentication  : Enabled

HELLO-Authentication : Enabled

PSNP-Authentication  : Enabled

Traffic Engineering  : Enabled

Graceful Restart     : Disabled

GR Helper Mode       : Disabled

LSP Lifetime         : 1200

LSP Wait             : 1 sec (Max)   1 sec (Initial)   1 sec (Second)

Adjacency Check      : loose

L1 Auth Type         : none

L2 Auth Type         : none

L1 CSNP-Authenticati*: Enabled

L1 HELLO-Authenticat*: Enabled

L1 PSNP-Authenticati*: Enabled

L1 Preference        : 15

L2 Preference        : 18

L1 Ext. Preference   : 160

L2 Ext. Preference   : 165

L1 Wide Metrics      : Disabled

L2 Wide Metrics      : Enabled

L1 LSDB Overload     : Disabled

L2 LSDB Overload     : Disabled

L1 LSPs              : 0

L2 LSPs              : 15

Last SPF             : 08/28/2006 10:22:25

SPF Wait             : 1 sec (Max)   10 ms (Initial)   10 ms (Second)

Export Policies      : None

Area Addresses       : 49.0001

===============================================================================

* indicates that the corresponding row element may have been truncated.

A:Dut-A#

capabilities

Syntax

capabilities [system-id | lsp-id] [level level]

Context

show>router>isis

Description

This command displays the IS-IS capability information.

Sample Output

*A:Dut-C# show router isis capabilities

===============================================================================

Rtr Base ISIS Instance 0 Capabilities ===============================================================================

Displaying Level 1 capabilities

-------------------------------------------------------------------------------

LSP ID    : Dut-B.00-00

  Router Cap : 10.20.1.2, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-C.00-00

  Router Cap : 10.20.1.3, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-D.00-00

  Router Cap : 10.20.1.4, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-E.00-00

  Router Cap : 10.20.1.5, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

Level (1) Capability Count : 4

Displaying Level 2 capabilities

-------------------------------------------------------------------------------

LSP ID    : Dut-B.00-00

  Router Cap : 10.20.1.2, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-B.00-01

LSP ID    : Dut-C.00-00

  Router Cap : 10.20.1.3, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-C.00-01

LSP ID    : Dut-D.00-00

  Router Cap : 10.20.1.4, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-D.00-01

LSP ID    : Dut-E.00-00

  Router Cap : 10.20.1.5, D:0, S:0

    TE Node Cap : B E M  P

    SR Cap: IPv4 , SRGB Base:20000, Range:10001

    SR Alg: metric based SPF

LSP ID    : Dut-E.00-01

Level (2) Capability Count : 8

===============================================================================

*A:Dut-C#

database

Syntax

database [system-id | lsp-id] [detail] [level level]

Context

show>router>isis

Description

This command displays the entries in the IS-IS link state database.

Parameters

system-id

Only the LSPs related to the specified system-id are listed. If no system-id or lsp-id are specified, all database entries are listed.

lsp-id

Only the specified LSP (hostname) is listed. If no system-id or lsp-id are specified, all database entries are listed.

level level

Specifies the interface level (1, 2, or 1 and 2).

detail

All output is displayed in the detailed format.

Sample Output

*A:ALA-A# show router isis database

===============================================================================

Rtr Base ISIS Instance 0 Database

===============================================================================

LSP ID                                  Sequence Checksum Lifetime Attributes

-------------------------------------------------------------------------------

Displaying Level 1 database

-------------------------------------------------------------------------------

abr_dfw.00-00                           0x50     0x164f   603      L1L2

Level (1) LSP Count : 1

Displaying Level 2 database

-------------------------------------------------------------------------------

asbr_east.00-00                         0x53     0xe3f5   753      L1L2

abr_dfw.00-00                           0x57     0x94ff   978      L1L2

abr_dfw.03-00                           0x50     0x14f1   614      L1L2

Level (2) LSP Count : 3

===============================================================================

*A:ALA-A#

*A:Dut-B# show router isis database Dut-A.00-00 detail

==============================================================================

Rtr Base ISIS Instance 0 Database

==============================================================================

Displaying Level 1 database

------------------------------------------------------------------------------

Level (1) LSP Count : 0

Displaying Level 2 database

------------------------------------------------------------------------------

LSP ID    : Dut-A.00-00                                 Level     : L2

Sequence  : 0x6                    Checksum  : 0xb7c4   Lifetime  : 1153

Version   : 1                      Pkt Type  : 20       Pkt Ver   : 1

Attributes: L1L2                   Max Area  : 3

SysID Len : 6                      Used Len  : 311      Alloc Len : 311

TLVs :

  Area Addresses:

    Area Address : (2) 30.31

  Supp Protocols:

    Protocols     : IPv4

  IS-Hostname   : Dut-A

  Router ID   :

    Router ID   : 10.20.1.1

  I/F Addresses :

    I/F Address   : 10.20.1.1

    I/F Address   : 10.10.1.1

    I/F Address   : 10.10.2.1

  TE IS Nbrs   :

    Nbr   : Dut-B.01

    Default Metric  : 1000

    Sub TLV Len     : 98

    IF Addr   : 10.10.1.1

    MaxLink BW: 100000 kbps

    Resvble BW: 100000 kbps

    Unresvd BW:

        BW[0] : 10000 kbps

        BW[1] : 40000 kbps

        BW[2] : 40000 kbps

        BW[3] : 40000 kbps

        BW[4] : 50000 kbps

        BW[5] : 50000 kbps

        BW[6] : 50000 kbps

        BW[7] : 10000 kbps

    Admin Grp : 0x0

    TE Metric : 1000

    SUBTLV BW CONSTS    : 8

      BW Model : 1

      BC[0]: 10000 kbps

      BC[1]: 0 kbps

      BC[2]: 40000 kbps

      BC[3]: 0 kbps

      BC[4]: 0 kbps

      BC[5]: 50000 kbps

      BC[6]: 0 kbps

      BC[7]: 0 kbps

  TE IP Reach   :

    Default Metric  : 0

    Control Info:    , prefLen 32

    Prefix   : 10.20.1.1

    Default Metric  : 1000

    Control Info:    , prefLen 24

    Prefix   : 10.10.1.0

    Default Metric  : 1000

    Control Info:    , prefLen 24

    Prefix   : 10.10.2.0

Level (2) LSP Count : 1

==============================================================================

*A:Dut-B#

hostname

Syntax

hostname

Context

show>router>isis

Description

This command displays the hostname database. There are no options or parameters.

Output

IS-IS Hostname Output

The following table describes output fields for IS-IS hostname output.


Label	Description
System-id	System identifier mapped to hostname.
Hostname	Hostname for the specific system-id.
Type	The type of entry (static or dynamic).

Sample Output

A:ALA-A# show router isis hostname

=========================================================================

Rtr Base ISIS Instance 0 Database

=========================================================================

System Id                Hostname

-------------------------------------------------------------------------

1800.0000.0002           core_west

1800.0000.0005           core_east

1800.0000.0008           asbr_west

1800.0000.0009           asbr_east

1800.0000.0010           abr_sjc

1800.0000.0011           abr_lax

1800.0000.0012           abr_nyc

1800.0000.0013           abr_dfw

1800.0000.0015           dist_oak

1800.0000.0018           dist_nj

1800.0000.0020           acc_nj

1800.0000.0021           acc_ri

1800.0000.0027           dist_arl

1800.0000.0028           dist_msq

1800.0000.0029           acc_arl

1800.0000.0030           acc_msq

=========================================================================

A:ALA-A#

interface

Syntax

interface [ip-int-name | ip-address] [detail]

Context

show>router>isis

Description

This command shows IS-IS interface information. When no ip-addr or the ip-int-name is specified, all interfaces are listed.

Parameters

ip-address

Only displays the interface information associated with the specified IP address.

Values

ipv4-address a.b.c.d (host bits must be 0)
ipv6-address x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

ip-int-name

Only displays the interface information associated with the specified IP interface name.

detail

All output is displayed in the detailed format.

Output

IS-IS Interface Output

The following table describes IS-IS interface output fields.


Label	Description
Interface	The interface name.
Level	Specifies the interface level (1, 2, or 1 and 2).
CirID	Specifies the circuit identifier.
Oper State	Up The interface is operationally up.
	Down The interface is operationally down.
L1/L2 Metric	Interface metric for Level 1 and Level 2, if none are set to 0.

Sample Output

A:ALA-A# show router isis interface

===============================================================================

Rtr Base ISIS Instance 0 Database

===============================================================================

Interface                        Level CircID  Oper State   L1/L2 Metric

-------------------------------------------------------------------------------

system                           L1L2  1       Up           10/10

if2/1                            L2    8       Up           -/10

if2/2                            L1    5       Up           10/-

if2/3                            L1    6       Up           10/-

if2/4                            L1    7       Up           10/-

if2/5                            L2    2       Up           -/10

lag-1                            L2    3       Up           -/10

if2/8                            L2    4       Up           -/10

-------------------------------------------------------------------------------

Interfaces : 8

===============================================================================

A:ALA-A#

*A:Dut-C# show router  isis interface "system" detail

===============================================================================

Rtr Base ISIS Instance 0 Interfaces

===============================================================================

-------------------------------------------------------------------------------

Interface       : system                          Level Capability: L1L2

Oper State      : Up                              Admin State     : Up

Auth Keychain   : Disabled

Auth Type       : None                            Auth State      : Enabled

Circuit Id      : 1                               Retransmit Int. : 5

Type            : Pt-to-Pt                        LSP Pacing Int. : 100

Oper Type       : Pt-to-Pt                        CSNP Int.       : 10

Mesh Group      : Inactive                        BER             : none

LFA NH Template : None                            Bfd Enabled     : No

Topology        : IPv4-Unicast, IPv6-Unicast, IPv4-Multicast, IPv6-Multicast

Te Metric       : 0                               Te State        : Down

Admin Groups    : None

Ldp Sync        : outOfService                    Ldp Sync Wait   : Disabled

Ldp Timer State : Disabled                        Ldp Tm Left     : 0

Route Tag       : None                            LFA             : Included

Default Instance: N/A                             LFA             :

IPv4 Node SID   : Index 1003                      IPv6 Node SID   : none

  Level         : 1                               Adjacencies     : 0

  Auth Keychain : Disabled

  Auth Type     : None                            Metric          : 0

  Hello Timer   : 3                               IPv6-Ucast-Met  : 0

  Priority      : 64                              IPv6-Mcast-Met  : 0

  Passive       : No                              IPv4-Mcast-Met  : 0

  SD-Offset     : 0                               SF-Offset       : 0

  Hello Mult.   : 2

  Level         : 2                               Adjacencies     : 0

  Auth Keychain : Disabled

  Auth Type     : None                            Metric          : 0

  Hello Timer   : 3                               IPv6-Ucast-Met  : 0

  Priority      : 64                              IPv6-Mcast-Met  : 0

  Passive       : No                              IPv4-Mcast-Met  : 0

  SD-Offset     : 0                               SF-Offset       : 0

  Hello Mult.   : 2

===============================================================================

lfa-coverage

Syntax

lfa-coverage

Context

show>router>isis

Description

This command displays IS-IS LFA coverage information.

Sample Output

*A:SR# show router isis lfa-coverage

============================================================================

Rtr Base ISIS Instance 0 LFA Coverage

============================================================================

Topology 		Level 	Node 		IPv4

----------------------------------------------------------------------------

IPV4 Unicast 	L1 		4/4(100%) 	826/826(100%)

IPV4 Unicast 	L2 		2/2(100%) 	826/826(100%)

IPV6 Unicast 	L1 		3/3(100%) 	0/0(0%)

IPV6 Unicast 	L2 		0/0(0%) 	0/0(0%)

============================================================================

*A:SR#

*A:SRR>config>router>isis#  show router isis lfa-coverage

===============================================================================

LFA Coverage

===============================================================================

Topology         Level   Node           IPv4                IPv6

-------------------------------------------------------------------------------

IPV4 Unicast     L1      3/4(75%)       1484/1975(75%)      0/0(0%)

IPV4 Unicast     L2      3/3(100%)      1484/1975(75%)      0/0(0%)

===============================================================================

*A:SRR>config>router>isis#

link-group-member-status

Syntax

link-group-member-status name [level level]

Context

show>router>isis

Description

This command displays IS-IS link-group-member status.

Parameters

name

Up to 32 characters.

level level

Specifies the interface level (1, 2, or 1 and 2).

Sample Output

A:cses-V94# show router isis link-group-member-status

  - link-group-member-status <name> [level <level>]

 <name>               : [32 chars max]

 <level>              : 1|2

A:cses-V94# show router isis link-group-member-status "toDutB"

===============================================================================

Rtr Base ISIS Instance 0 Link-Group Member

===============================================================================

Link-group            I/F name                Level      State

-------------------------------------------------------------------------------

toDutB                ip-10.10.12.3           L1         Up

toDutB                ip-10.10.3.3            L1         Up

toDutB                ip-10.10.12.3           L2         Up

toDutB                ip-10.10.3.3            L2         Up

-------------------------------------------------------------------------------

Legend: BER = bitErrorRate

===============================================================================

A:cses-V94#

link-group-status

Syntax

link-group-status name [level level]

Context

show>router>isis

Description

This command displays IS-IS link-group status.

name

Specifies the link-group name.

level level

Specifies the interface level (1, 2, or 1 and 2).

Sample Output

A:cses-V94# show router isis link-group-status

===============================================================================

Rtr Base ISIS Instance 0 Link-Group Status

===============================================================================

Link-group              Mbrs   Oper   Revert Active Level   State

                               Mbr     Mbr    Mbr

-------------------------------------------------------------------------------

toDutB                  2      2      2      2      L1      normal

toDutB                  2      2      2      2      L2      normal

toDutE                  2      2      2      2      L1      normal

toDutE                  2      2      2      2      L2      normal

===============================================================================

A:cses-V94#

prefix-sids

Syntax

Context

show>router>isis

Description

This command displays IS-IS prefix SIDs.

Sample Output

*A:Dut-C# show router isis prefix-sids

===============================================================================

Rtr Base ISIS Instance 0 Prefix/SID Table ===============================================================================

Prefix                            SID        Lvl/Typ    SRMS   AdvRtr

                                                         MT     Flags

-------------------------------------------------------------------------------

4.0.0.1/32                        1          2/Int.      N     Dut-B

                                                            0       RNnP

4.0.0.1/32                        1          2/Int.      N     Dut-C

                                                            0       RNnP

4.0.0.1/32                        1          1/Int.      N     Dut-D

                                                            0       NnP

4.0.0.1/32                        1          2/Int.      N     Dut-D

                                                            0       NnP

4.0.0.1/32                        1          2/Int.      N     Dut-E

                                                            0       RNnP

10.20.1.2/32                      1002       1/Int.      N     Dut-B

                                                            0       NnP

10.20.1.2/32                      1002       2/Int.      N     Dut-B

                                                            0       NnP

10.20.1.2/32                      1002       2/Int.      N     Dut-C

                                                            0       RNnP

10.20.1.2/32                      1002       2/Int.      N     Dut-D

                                                            0       RNnP

10.20.1.2/32                      1002       2/Int.      N     Dut-E

                                                            0       RNnP

10.20.1.3/32                      1003       2/Int.      N     Dut-B

                                                            0       RNnP

10.20.1.3/32                      1003       1/Int.      N     Dut-C

                                                            0       NnP

10.20.1.3/32                      1003       2/Int.      N     Dut-C

                                                            0       NnP

10.20.1.3/32                      1003       2/Int.      N     Dut-D

                                                            0       RNnP

10.20.1.3/32                      1003       2/Int.      N     Dut-E

                                                            0       RNnP

10.20.1.4/32                      1004       2/Int.      N     Dut-B

                                                            0       RNnP

10.20.1.4/32                      1004       2/Int.      N     Dut-C

                                                            0       RNnP

10.20.1.4/32                      1004       1/Int.      N     Dut-D

                                                            0       NnP

10.20.1.4/32                      1004       2/Int.      N     Dut-D

                                                            0       NnP

10.20.1.4/32                      1004       2/Int.      N     Dut-E

                                                            0       RNnP

10.20.1.5/32                      1005       2/Int.      N     Dut-B

                                                            0       RNnP

10.20.1.5/32                      1005       2/Int.      N     Dut-C

                                                            0       RNnP

10.20.1.5/32                      1005       2/Int.      N     Dut-D

                                                            0       RNnP

10.20.1.5/32                      1005       1/Int.      N     Dut-E

                                                            0       NnP

10.20.1.5/32                      1005       2/Int.      N     Dut-E

                                                            0       NnP

-------------------------------------------------------------------------------

No. of Prefix/SIDs: 25

Flags: R  = Re-advertisement

       N  = Node-SID

       nP = no penultimate hop POP

       E  = Explicit-Null

       V  = Prefix-SID carries a value

       L  = value/index has local significance ===============================================================================

*A:Dut-C#

routes

Syntax

routes [ipv4-unicast | ipv6-unicast | ipv4-multicast | ipv6-multicast | mt mt-id-number] [ip-prefix[/prefix-length]] [alternative] [exclude-shortcut]

Context

show>router>isis

Description

This command displays the routes in the IS-IS route table.

Parameters

ipv4-unicast

Displays IPv4 unicast parameters.

ipv6-unicast

Displays IPv6 unicast parameters.

mt mt-id-number

Displays multi-topology parameters.

Values

0, 2

alternative

Displays LFA details.

exclude-shortcut

Displays the routes without shortcuts

Output

IS-IS Route Output

The following table describes IS-IS route output fields.


Label	Description
Prefix	The route prefix and mask.
Metric MT	The route’s metric.
Lvl/Type	Specifies the level (1 or 2) and the route type, Internal (Int) or External (Ext).
Version	SPF version that generated route.
Nexthop	System ID of nexthop, give hostname if possible.
Hostname	Hostname for the specific system-id.

Sample Output

*A:Dut-C# show router isis routes

=======================================================================

Rtr Base ISIS Instance 0 Route Table

=======================================================================

Prefix[Flags]                     Metric     Lvl/Typ     Ver.  SysID/Hostname

  NextHop                                                MT     AdminTag/SID[F]

-----------------------------------------------------------------------

1.1.2.0/24                        20         1/Int.      0     Dut-A

   1.1.3.1                                               0       0

1.1.2.0/24                        20         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

1.1.3.0/24                        10         1/Int.      0     Dut-C

   0.0.0.0                                               0       0

1.2.3.0/24                        10         1/Int.      0     Dut-C

   0.0.0.0                                               0       0

1.2.4.0/24                        20         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

1.3.5.0/24                        10         1/Int.      0     Dut-C

   0.0.0.0                                               0       0

1.4.5.0/24                        20         1/Int.      0     Dut-E

   1.3.5.5                                               0       0

1.4.6.0/24                        30         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

1.4.6.0/24                        30         1/Int.      0     Dut-E

   1.3.5.5                                               0       0

10.20.1.1/32                      10         1/Int.      0     Dut-A

   1.1.3.1                                               0       0

10.20.1.2/32                      10         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

10.20.1.3/32                      0          1/Int.      0     Dut-C

   0.0.0.0                                               0       0

10.20.1.4/32                      20         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

10.20.1.4/32                      20         1/Int.      0     Dut-E

   1.3.5.5                                               0       0

10.20.1.5/32                      10         1/Int.      0     Dut-E

   1.3.5.5                                               0       0

10.20.1.6/32                      30         1/Int.      0     Dut-B

   1.2.3.2                                               0       0

10.20.1.6/32                      30         1/Int.      0     Dut-E

   1.3.5.5                                               0       0

-----------------------------------------------------------------------

No. of Routes: 17

Flags: L = LFA nexthop available

=======================================================================

*A:Dut-C#

*A:Dut-C# show router isis routes ipv4-unicast

===============================================================================

Rtr Base ISIS Instance 0 Route Table

===============================================================================

Prefix[Flags]                     Metric     Lvl/Typ     Ver.  SysID/Hostname

  NextHop                                                MT     AdminTag/SID[Flags]

-------------------------------------------------------------------------------

1.2.3.0/24                        10         1/Int.      8     Dut-C

   0.0.0.0                                                 0       0

1.2.4.0/24                        20         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

1.2.5.0/24                        20         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0

1.3.4.0/24                        10         1/Int.      8     Dut-C

   0.0.0.0                                                 0       0

1.3.5.0/24 [L]                    30         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0

1.4.5.0/24                        20         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

2.3.4.0/24                        40         1/Int.      11    Dut-D

   1.3.4.4                                                 0       0

4.0.0.1/32                        10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0/1[NnP]

10.20.1.2/32                      10         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0/1002[NnP]

10.20.1.3/32                      0          1/Int.      5     Dut-C

   0.0.0.0                                                 0       0/1003[NnP]

10.20.1.4/32                      10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0/1004[NnP]

10.20.1.5/32 [L]                  20         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0/1005[NnP]

10.21.1.2/32                      10         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0

10.21.1.3/32                      0          1/Int.      5     Dut-C

   0.0.0.0                                                 0       0

10.21.1.4/32                      10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

10.21.1.5/32 [L]                  20         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0

-------------------------------------------------------------------------------

No. of Routes: 16

Flags: L = LFA nexthop available

===============================================================================

*A:Dut-C# show router  isis routes ipv4-unicast alternative

===============================================================================

Rtr Base ISIS Instance 0 Route Table

===============================================================================

Prefix[Flags]                     Metric     Lvl/Typ     Ver.  SysID/Hostname

  NextHop                                                 MT     AdminTag

Alt-Nexthop                                              Alt-   Alt-Type

                                                        Metric

-------------------------------------------------------------------------------

1.2.3.0/24                        10         1/Int.      8     Dut-C

   0.0.0.0                                                 0       0

1.2.4.0/24                        20         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

1.2.5.0/24                        20         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0

1.3.4.0/24                        10         1/Int.      8     Dut-C

   0.0.0.0                                                 0       0

1.3.5.0/24                        30         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0

   1.3.4.4(L)                                             30      NP

1.4.5.0/24                        20         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

2.3.4.0/24                        40         1/Int.      11    Dut-D

   1.3.4.4                                                 0       0

4.0.0.1/32                        10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0/1[NnP]

10.20.1.2/32                      10         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0/1002[NnP]

10.20.1.3/32                      0          1/Int.      5     Dut-C

   0.0.0.0                                                 0       0/1003[NnP]

10.20.1.4/32                      10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0/1004[NnP]

10.20.1.5/32                      20         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0/1005[NnP]

   1.3.4.4(L)                                             20      NP

10.21.1.2/32                      10         1/Int.      8     Dut-B

   1.2.3.2                                                 0       0

10.21.1.3/32                      0          1/Int.      5     Dut-C

   0.0.0.0                                                 0       0

10.21.1.4/32                      10         1/Int.      8     Dut-D

   1.3.4.4                                                 0       0

10.21.1.5/32                      20         1/Int.      11    Dut-B

   1.2.3.2                                                 0       0

   1.3.4.4(L)                                             20      NP

-------------------------------------------------------------------------------

No. of Routes: 16

Flags: L = Loop-Free Alternate nexthop

Legend: LP = linkProtection, NP = nodeProtection ===============================================================================

*A:Dut-C#

spf-log

Syntax

spf-log [detail]

Context

show>router>isis

Description

This command displays IS-IS SPF log information.

Parameters

detail

Displays detailed spf-log information.

Output

Router ISIS SFP Log Output

The following table describes the ISIS SPF log output fields.


Label	Description
When	Displays the timestamp when the SPF run started on the system.
Duration	Displays the time (in hundredths of a second) required to complete the SPF run.
L1 Nodes	Displays the number of Level 1 nodes involved in the SPF run.
L2 Nodes	Displays the number of Level 2 nodes involved in the SPF run.
Event Count	Displays the number of SPF events that triggered the SPF calculation.
Type	Displays the SPF type, Reg (regular) or Lfa (loop free alternative).
Trigger LSP	Displays the LSP that triggered the SPF run.
Reason	Displays the reason(s) for the SPF run.
	NEWADJ: An adjacency changed. NEWLSP: A new LSP was received. NEWAREA: An area changed. NEWREACH: A prefix changed. ECMPCHANGED: An ECMP path changed. NEWMETRIC: A prefix metric changed. RESTART: The graceful restart exited. LSPEXPIRED: An LSP expired. DBCHANGED: The LSP database was cleared by an administrator. LSPCONTENT: The content of an LSP changed. NEWPREF: The external route preference changed. NEWNLPID: The routed protocols (IPv4 or IPv6) changed. MANUALREQ: An SPF calculation was requested by an administrator. ADMINTAGCHANGED: An administrative tag changed. TUNNELCHANGED: An MPLS tunnel changed.

Sample Output

*A:Dut-C# show router isis spf-log

===============================================================================

Rtr Base ISIS Instance 0 SPF Log

===============================================================================

When                 Duration       L1 Nodes   L2 Nodes   Event Count      Type

-------------------------------------------------------------------------------

01/26/2015 11:22:19  <0.01s         -          -          -                pLfa

01/26/2015 11:22:19  <0.01s         -          -          -                rLfa

01/26/2015 11:22:20  <0.01s         4          4          25               Reg

01/26/2015 11:22:20  <0.01s         -          -          -                Lfa

01/26/2015 11:22:20  <0.01s         -          -          -                rLfa

01/26/2015 11:22:24  <0.01s         4          4          11               Reg

01/26/2015 11:22:24  <0.01s         -          -          -                Lfa

01/26/2015 11:22:24  <0.01s         -          -          -                rLfa

01/26/2015 11:22:32  <0.01s         4          4          21               Reg

01/26/2015 11:22:32  <0.01s         -          -          -                Lfa

01/26/2015 11:22:32  <0.01s         -          -          -                rLfa

01/26/2015 11:22:33  <0.01s         -          -          -                pSpf

01/26/2015 11:22:33  <0.01s         -          -          -                pLfa

01/26/2015 11:22:33  <0.01s         -          -          -                rLfa

01/26/2015 11:22:41  <0.01s         -          -          -                pSpf

01/26/2015 11:22:41  <0.01s         -          -          -                pLfa

01/26/2015 11:22:41  <0.01s         -          -          -                rLfa

01/26/2015 11:22:51  <0.01s         4          4          4                Reg

01/26/2015 11:22:51  <0.01s         -          -          -                Lfa

01/26/2015 11:22:51  <0.01s         -          -          -                rLfa

-------------------------------------------------------------------------------

Log Entries : 20

===============================================================================

*A:Dut-C#

A:SetupCLI# show router isis spf-log detail

===============================================================================

Rtr Base ISIS Instance 0 SPF Log

===============================================================================

When       : 10/01/2011 03:40:25             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 78

SPF Type   : Reg

Reason     : LSPCONTENT

When       : 10/01/2011 03:40:26             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 1

SPF Type   : Reg

Reason     : LSPCONTENT

When       : 10/01/2011 03:40:25             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 25

SPF Type   : Reg

Reason     : NEWAREA NEWREACH LSPCONTENT MANUALREQ

When       : 10/01/2011 03:40:27             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 1

SPF Type   : Reg

Reason     : LSPCONTENT

When       : 10/01/2011 03:40:27             Duration    : <0.01s

L1 Nodes   : 0                               L2 Nodes    : 0

Trigger LSP: SetupCLI.00-00                  Event Count : 1

SPF Type   : Lfa

Reason     : LSPCONTENT

When       : 10/01/2011 03:40:25             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 75

SPF Type   : Reg

Reason     : LSPCONTENT

When       : 10/01/2011 03:40:27             Duration    : <0.01s

L1 Nodes   : 1                               L2 Nodes    : 1

Trigger LSP: SetupCLI.00-00                  Event Count : 1

SPF Type   : Reg

Reason     : LSPCONTENT

===============================================================================

A:SetupCLI#

statistics

Syntax

statistics

Context

show>router>isis

Description

This command displays information regarding IS-IS traffic statistics.

Output

IS-IS Statistics Output

This table describes IS-IS statistics output fields.


Label	Description
Purge Initiated	The number of times purges have been initiated.
SPF Runs	The number of times shortest path first calculations have been made.
LSP Regens	The count of LSP regenerations.
Requests	The number of CSPF requests made to the protocol.
Paths Found	The number of responses to CSPF requests for which paths satisfying the constraints were found.
PDU Type	The PDU type.
Received	The count of link state PDUs received by this instance of the protocol.
Processed	The count of link state PDUs processed by this instance of the protocol.
Dropped	The count of link state PDUs dropped by this instance of the protocol.
Sent	The count of link state PDUs sent out by this instance of the protocol.
Retransmitted	The count of link state PDUs that had to be retransmitted by this instance of the protocol.

Sample Output

*A:Dut-C# show router isis statistics

===============================================================================

Rtr Base ISIS Instance 0 Statistics

===============================================================================

ISIS Instance     : 0

Purge Initiated   : 0                       LSP Regens.    : 17

Sid SRGB err      : 0                       Sid dupl err   : 0

CSPF Statistics

Requests          : 0                       Request Drops  : 0

Paths Found       : 0                       Paths Not Found: 0

SPF Statistics

SPF Runs          : 7

 Last runTimeStamp: 01/26/2015 11:22:50

Partial SPF Runs  : 3

 Last runTimeStamp: 01/26/2015 11:22:51

LFA Statistics

LFA Runs          : 7

 Last runTimeStamp: 01/26/2015 11:22:51

Partial LFA Runs  : 3

 Last runTimeStamp: 01/26/2015 11:22:41

RLFA Statistics

RLFA Runs         : 10

 Last runTimeStamp: 01/26/2015 11:22:51

-------------------------------------------------------------------------------

PDU Type   Received   Processed  Dropped    Sent       Retransmitted

-------------------------------------------------------------------------------

LSP        164        164        0          151        0

IIH        146        146        0          147        0

CSNP       288        288        0          291        0

PSNP       71         71         0          74         0

Unknown    0          0          0          0          0

===============================================================================

*A:Dut-C#

status

Syntax

status

Context

show>router>isis

Description

This command displays information regarding IS-IS status.

Output

IS-IS Status Output

The following table describes IS-IS status output fields.


Label	Description
System-id	Neighbor system ID.
Admin State	Up IS-IS is administratively up.
	Down IS-IS is administratively down.
Ipv4 Routing	Enabled IPv4 routing is enabled.
	Disabled IPv4 routing is disabled.
Ipv6 Routing	Disabled IPv6 routing is disabled.
	Enabled, Native IPv6 routing is enabled.
	Enabled, Multi-topology Multi-topology TLVs for IPv6 routing is enabled.
Multi-topology	Disabled Multi-topology TLVs for IPv6 routing is disabled.
	Enabled Multi-topology TLVs for IPv6 routing is enabled.
Last Enabled	The date/time when IS-IS was last enabled in the router.
Level Capability	The routing level for the IS-IS routing process.
Authentication Check	True All IS-IS mismatched protocol packets are rejected.
	False Authentication is performed on received IS-IS protocol packets but mismatched packets are not rejected.
Authentication Type	The method of authentication used to verify the authenticity of packets sent by neighboring routers on an IS-IS interface.
Traffic Engineering	Enabled TE is enabled for the router.
	Disabled TE is disabled so that TE metrics are not generated and are ignored when received by this node.
Graceful Restart	Enabled Graceful restart is enabled for this instance of IS-IS on the router.
	Disabled Graceful restart capability is disabled for this instance of IS-IS on the router.
Ldp Sync Admin State	Indicates whether the IGP-LDP synchronization feature is enabled or disabled on all interfaces participating in the OSPF routing protocol.
LFA NH Template	Indicates the LFA template that is applied for the configured LFA policies.
LFA Policies	Indicates the configured LFA policies.
Loopfree-Alternate	When enabled, excludes a prefix entry defined in the specified LFA policy from LFA calculation.

Sample Output

*A:Dut-C# show router isis status

===============================================================================

Rtr Base ISIS Instance 0 Status

===============================================================================

System Id            : 0100.2000.1003

ISIS Cfg Router Id   : 0.0.0.0

ISIS Oper Router Id  : 10.20.1.3

Admin State          : Up

Oper State           : Up

Ipv4 Routing         : Enabled

Ipv6 Routing         : Enabled, Native

Mcast Ipv4 Routing   : Enabled, Native

Mcast Ipv6 Routing   : Enabled, Native

Last Enabled         : 01/26/2015 11:22:13

Level Capability     : L1L2

Authentication Check : True

Auth Keychain        : Disabled

Authentication Type  : None

CSNP-Authentication  : Enabled

HELLO-Authentication : Enabled

PSNP-Authentication  : Enabled

Traffic Engineering  : Enabled

Graceful Restart     : Disabled

GR Helper Mode       : Disabled

Overload-On-Boot Tim*: 0

Overload Max-Metric  : False

Overload-On-Boot Max*: False

LSP Lifetime         : 1200

LSP Refresh Interval : 600

LSP Wait             : 5 sec (Max)   0 sec (Initial)   1 sec (Second)

LSP MTU Size         : 1300  (Config)  1300  (Oper)

Adjacency Check      : loose

L1 Auth Keychain     : Disabled

L1 Auth Type         : none

L1 CSNP-Authenticati*: Enabled

L1 HELLO-Authenticat*: Enabled

L1 PSNP-Authenticati*: Enabled

L1 Preference        : 15

L1 Ext. Preference   : 160

L1 Wide Metrics      : Enabled

L1 LSDB Overload     : Disabled

L1 LSPs              : 4

L1 Default Metric    : 10

L1 IPv6 Def Metric   : 10

L1 Mcast IPv4 Def Me*: 10

L1 Mcast IPv6 Def Me*: 10

L1 Adv Router Cap    : Enabled

Last SPF             : 01/26/2015 11:22:51

SPF Wait             : 10 sec (Max)   1000 ms (Initial)   1000 ms (Second)

Multi-topology       : Disabled

IPv6-Unicast MT2     : Disabled

IPv4-Multicast MT3   : Disabled

IPv6-Multicast MT4   : Disabled

Area Addresses       : 49.0001

Total Exp Routes(L1) : 0

IID TLV              : Disabled

All-L1-MacAddr       : 01:80:c2:00:00:14

L2 Auth Keychain     : Disabled

L2 Auth Type         : none

L2 CSNP-Authenticati*: Enabled

L2 HELLO-Authenticat*: Enabled

L2 PSNP-Authenticati*: Enabled

L2 Preference        : 18

L2 Ext. Preference   : 165

L2 Wide Metrics      : Enabled

L2 LSDB Overload     : Disabled

L2 LSPs              : 8

L2 Default Metric    : 10

L2 IPv6 Def Metric   : 10

L2 Mcast IPv4 Def Me*: 10

L2 Mcast IPv6 Def Me*: 10

L2 Adv Router Cap    : Enabled

Export Policies      : None

LFA Policies         : None

Multicast Import     : None

Advertise-Passive-On*: Disabled

Ignore Attached Bit  : Disabled

Suppress Attached Bit: Disabled

Default Route Tag    : None

Rib Prio List High   : None

Rib Prio Tag High    : None

Ldp Sync Admin State : Up

LDP-over-RSVP        : Disabled

RSVP-Shortcut        : Disabled

Advertise-Tunnel-Link: Disabled

Export Limit         : 0

Exp Lmt Log Percent  : 0

Total Exp Routes(L2) : 0

All-L2-MacAddr       : 01:80:c2:00:00:15

Loopfree-Alternate   : Enabled

Remote-LFA           : Enabled

L1 LFA               : Included

L2 LFA               : Included

Advertise Router Cap : Area

Hello Padding        : Disabled

Ignore Lsp Errors    : Disabled

Reference Bandwidth  : 0

Ucast Import Disable : None

Segment Routing      : Up

===============================================================================

* indicates that the corresponding row element may have been truncated.

*A:Dut-C#

The following two examples illustrate sample output and detail sample output with LFA policies configured in the configure router ISIS context.

*A:SRR# show router isis status

===============================================================================

Rtr Base ISIS Instance 0 Status

===============================================================================

System Id            : 0100.2000.1003

ISIS Cfg Router Id   : 0.0.0.0

ISIS Oper Router Id  : 10.20.1.3

Admin State          : Up

Oper State           : Up

Ipv4 Routing         : Enabled

Ipv6 Routing         : Disabled

Mcast Ipv4 Routing   : Enabled, Native

Mcast Ipv6 Routing   : Disabled

Last Enabled         : 04/29/2014 15:14:33

Level Capability     : L1

Authentication Check : True

Auth Keychain        : Disabled

Authentication Type  : None

CSNP-Authentication  : Enabled

HELLO-Authentication : Enabled

PSNP-Authentication  : Enabled

Traffic Engineering  : Disabled

Graceful Restart     : Disabled

GR Helper Mode       : Disabled

Overload-On-Boot Tim*: 0

Overload Max-Metric  : False

Overload-On-Boot Max*: False

LSP Lifetime         : 1200

LSP Refresh Interval : 600

LSP Wait             : 5 sec (Max)   0 sec (Initial)   1 sec (Second)

LSP MTU Size         : 1492  (Config)  1492  (Oper)

Adjacency Check      : loose

L1 Auth Keychain     : Disabled

L1 Auth Type         : none

L1 CSNP-Authenticati*: Enabled

L1 HELLO-Authenticat*: Enabled

L1 PSNP-Authenticati*: Enabled

L1 Preference        : 15

L1 Ext. Preference   : 160

L1 Wide Metrics      : Enabled

L1 LSDB Overload     : Disabled

L1 LSPs              : 5

L1 Default Metric    : 10

L1 IPv6 Def Metric   : 10

L1 Mcast IPv4 Def Me*: 10

L1 Mcast IPv6 Def Me*: 10

Last SPF             : 04/29/2014 15:22:13

SPF Wait             : 10 sec (Max)   1000 ms (Initial)   1000 ms (Second)

Multi-topology       : Disabled

IPv6-Unicast MT2     : Disabled

IPv4-Multicast MT3   : Disabled

IPv6-Multicast MT4   : Disabled

Area Addresses       : 49.0001

Total Exp Routes(L1) : 1

IID TLV              : Disabled

All-L1-MacAddr       : 01:80:c2:00:00:14

L2 Auth Keychain     : Disabled

L2 Auth Type         : none

L2 CSNP-Authenticati*: Enabled

L2 HELLO-Authenticat*: Enabled

L2 PSNP-Authenticati*: Enabled

L2 Preference        : 18

L2 Ext. Preference   : 165

L2 Wide Metrics      : Disabled

L2 LSDB Overload     : Disabled

L2 LSPs              : 0

L2 Default Metric    : 10

L2 IPv6 Def Metric   : 10

L2 Mcast IPv4 Def Me*: 10

L2 Mcast IPv6 Def Me*: 10

Export Policies      : static

LFA Policies       : pol1

                   : pol2

                   : pol3

                   : pol4

                   : pol5

Multicast Import     : None

Advertise-Passive-On*: Disabled

Suppress Default     : Disabled

Default Route Tag    : None

Ldp Sync Admin State : Up

LDP-over-RSVP        : Disabled

RSVP-Shortcut        : Disabled

Advertise-Tunnel-Link: Disabled

Export Limit         : 0

Exp Lmt Log Percent  : 0

Total Exp Routes(L2) : 0

All-L2-MacAddr       : 01:80:c2:00:00:15

Loopfree-Alternate   : Enabled

L1 LFA               : Included

L2 LFA               : Included

Advertise Router Cap : disable

Hello Padding        : disable

===============================================================================

* indicates that the corresponding row element may have been truncated.

*A:SRR#

*A:SRR# show router isis interface "DUTC_TO_DUTE.1.0" detail

===============================================================================

Rtr Base ISIS Instance 0 Interfaces

===============================================================================

-------------------------------------------------------------------------------

Interface       : DUTC_TO_DUTE.1.0                Level Capability: L1L2

Oper State      : Up                              Admin State     : Up

Auth Keychain   : Disabled

Auth Type       : None                            Auth State      : Enabled

Circuit Id      : 3                               Retransmit Int. : 5

Type            : Broadcast                       LSP Pacing Int. : 100

Oper Type       : Broadcast                       CSNP Int.       : 10

Mesh Group      : Inactive                        BER             : none

LFA NH Template : "template1"                     Bfd Enabled     : No

Topology        : IPv4-Unicast, IPv6-Unicast, IPv4-Multicast, IPv6-Multicast

Te Metric       : 0                               Te State        : Down

Admin Groups    : None

Ldp Sync        : outOfService                    Ldp Sync Wait   : Disabled

Ldp Timer State : Disabled                        Ldp Tm Left     : 0

Route Tag       : None                            LFA             : Included

  Level         : 1                               Adjacencies     : 0

  Desg. IS      : Dut-C

  Auth Keychain : Disabled

  Auth Type     : None                            Metric          : 10

  Hello Timer   : 9                               IPv6-Ucast-Met  : 10

  Priority      : 64                              IPv6-Mcast-Met  : 10

  Passive       : No                              IPv4-Mcast-Met  : 10

  SD-Offset     : 0                               SF-Offset       : 0

  Hello Mult.   : 3

Level         : 2                               Adjacencies     : 0

  Desg. IS      : Dut-C

  Auth Keychain : Disabled

  Auth Type     : None                            Metric          : 10

  Hello Timer   : 9                               IPv6-Ucast-Met  : 10

  Priority      : 64                              IPv6-Mcast-Met  : 10

  Passive       : No                              IPv4-Mcast-Met  : 10

  SD-Offset     : 0                               SF-Offset       : 0

  Hello Mult.   : 3

===============================================================================

*A:SRR#

summary-address

Syntax

summary-address [ip-address [/mask]]

Context

show>router>isis

Description

Displays ISIS summary addresses.

Output

Router ISIS Summary Address Output

The following table describes the ISIS summary address output fields.


Label	Description
Address	The IP address.
Level	Specifies the IS-IS level from which the prefix should be summarized.

Sample Output

A:ALA-48# show router isis summary-address

===============================================================================

Rtr Base ISIS Instance 0 Summary Address

===============================================================================

Address 	Level

-------------------------------------------------------------------------------

1.0.0.0/8 	L1

2.1.0.0/24 	L1L2

3.1.2.3/32 	L2

-------------------------------------------------------------------------------

Summary Addresses : 3

===============================================================================

A:ALA-48#

topology

Syntax

topology [ipv4-unicast | ipv6-unicast | ipv4-multicast | ipv6-multicast | mt mt-id-number] [lfa] [detail]

Context

show>router>isis

Description

This command shows IS-IS topology information.

Parameters

ipv4-unicast

Displays IPv4 unicast parameters.

ipv6-unicast

Displays IPv6 unicast parameters.

ipv4-multicast

Displays IPv4 multicast parameters.

ipv6-multicast

Displays IPv6 multicast parameters.

mt mt-id-number

Displays multi-topology parameters.

Values

0, 2, 3, 4

lfa

Displays LFA (loop free alternative) information.

detail

Displays detailed topology information.

Output

Router ISIS Topology Output

The following table describes the ISIS topology output fields.


Label	Description
Node	Displays the IP address.
Interface	Displays the interface name.
Nexthop	Displays the nexthop IP address.
LFA Interface	Displays the LFA interface name.
LFA Nexthop	Displays the LFA nexthop IP address.

Sample Output

*A:Dut-A# show router isis topology

===============================================================================

Rtr Base ISIS Instance 0 Topology Table

===============================================================================

Node                                Interface                  Nexthop

-------------------------------------------------------------------------------

IS-IS IP paths (MT-ID 0),   Level 1

-------------------------------------------------------------------------------

Dut-B.00                            ip-3FFE::A0A:101           Dut-B

Dut-B.01                            ip-3FFE::A0A:101           Dut-B

Dut-CA.00                           ip-3FFE::A0A:101           Dut-B

Dut-CA.01                           ip-3FFE::A0A:101           Dut-B

Dut-CA.02                           ip-3FFE::A0A:101           Dut-B

Dut-CA.05                           ip-3FFE::A0A:101           Dut-B

Dut-DA.00                           ip-3FFE::A0A:101           Dut-B

Dut-DA.01                           ip-3FFE::A0A:101           Dut-B

Dut-E.00                            ip-3FFE::A0A:101           Dut-B

Dut-F.00                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.01                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.02                            ies-1-3FFE::A0A:1501       Dut-F

-------------------------------------------------------------------------------

IS-IS IPv6 paths (MT-ID 2),  Level 1

-------------------------------------------------------------------------------

Dut-B.00                            ip-3FFE::A0A:101           Dut-B

Dut-B.01                            ip-3FFE::A0A:101           Dut-B

Dut-CA.00                           ip-3FFE::A0A:101           Dut-B

Dut-CA.01                           ip-3FFE::A0A:101           Dut-B

Dut-CA.02                           ip-3FFE::A0A:101           Dut-B

Dut-CA.05                           ip-3FFE::A0A:101           Dut-B

Dut-DA.00                           ip-3FFE::A0A:101           Dut-B

Dut-DA.01                           ip-3FFE::A0A:101           Dut-B

Dut-E.00                            ip-3FFE::A0A:101           Dut-B

Dut-F.00                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.01                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.02                            ies-1-3FFE::A0A:1501       Dut-F

-------------------------------------------------------------------------------

IS-IS IP paths (MT-ID 0),   Level 2

-------------------------------------------------------------------------------

Dut-B.00                            ip-3FFE::A0A:101           Dut-B

Dut-B.01                            ip-3FFE::A0A:101           Dut-B

Dut-CA.00                           ip-3FFE::A0A:101           Dut-B

Dut-CA.01                           ip-3FFE::A0A:101           Dut-B

Dut-CA.02                           ip-3FFE::A0A:101           Dut-B

Dut-CA.05                           ip-3FFE::A0A:101           Dut-B

Dut-DA.00                           ip-3FFE::A0A:101           Dut-B

Dut-DA.01                           ip-3FFE::A0A:101           Dut-B

Dut-E.00                            ip-3FFE::A0A:101           Dut-B

Dut-F.00                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.01                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.02                            ies-1-3FFE::A0A:1501       Dut-F

-------------------------------------------------------------------------------

IS-IS IPv6 paths (MT-ID 2),  Level 2

-------------------------------------------------------------------------------

Dut-B.00                            ip-3FFE::A0A:101           Dut-B

Dut-B.01                            ip-3FFE::A0A:101           Dut-B

Dut-CA.00                           ip-3FFE::A0A:101           Dut-B

Dut-CA.01                           ip-3FFE::A0A:101           Dut-B

Dut-CA.02                           ip-3FFE::A0A:101           Dut-B

Dut-CA.05                           ip-3FFE::A0A:101           Dut-B

Dut-DA.00                           ip-3FFE::A0A:101           Dut-B

Dut-DA.01                           ip-3FFE::A0A:101           Dut-B

Dut-E.00                            ip-3FFE::A0A:101           Dut-B

Dut-F.00                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.01                            ies-1-3FFE::A0A:1501       Dut-F

Dut-F.02                            ies-1-3FFE::A0A:1501       Dut-F

===============================================================================

*A:Dut-A#

Clear Commands

isis

Syntax

isis [isis-instance]

Context

clear>router>isis

Description

This command enables the context to clear and reset ISIS protocol entities.

Parameters

isis-instance

Specifies the instance ID for the IS-IS instance.

Values

1 — 31

adjacency

Syntax

adjacency [system-id]

Context

clear>router>isis

Description

This command clears and resets the entries from the IS-IS adjacency database.

Parameters

system-id

When the system ID is entered, only the specified entries are removed from the IS-IS adjacency database.

database

Syntax

database [system-id]

Context

clear>router>isis

Description

This command removes the entries from the IS-IS link-state database which contains information about PDUs.

Parameters

system-id

When the system ID is entered, only the specified entries are removed from the IS-IS link-state database.

export

Syntax

export

Context

clear>router>isis

Description

This command re-evaluates route policies participating in the export mechanism, either as importers or exporters of routes.

overload

Syntax

overload {rtm | fib}

Context

clear>router>isis

Description

This command clears the IS-IS overload.

Parameters

rtm

Clears the overload because IS-IS reached the configured maximum route limit set with maximum-routes or maximum-ipv6-routes in a VPRN.

fib

Clears the overload because adding routes to the hardware FIB failed.

spf-log

Syntax

spf-log

Context

clear>router>isis

Description

This command clears the SPF log.

statistics

Syntax

statistics

Context

clear>router>isis

Description

This command clears and resets IS-IS statistics.

Debug Commands

isis

Syntax

isis [isis-instance]

Context

debug>router

Description

This command enables the context to debug IS-IS protocol entities.

Parameters

isis-instance

Specifies the IS-IS instance.

Values

1 — 31

adjacency

Syntax

[no] adjacency [ip-int-name | ip-address | nbr-system-id]

Context

debug>router>isis

Description

This command enables debugging for IS-IS adjacency.

The no form of the command disables debugging.

Parameters

ip-address

When specified, only adjacencies with the specified interface address are debugged.

Values

ipv4-address: a.b.c.d (host bits must be 0)
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

ip-int-name

When specified, only adjacencies with the specified interface name are debugged.

nbr-system-id

When specified, only the adjacency with the specified ID is debugged.

cspf

Syntax

[no] cspf

Context

debug>router>isis

Description

This command enables debugging for IS-IS cspf.

The no form of the command disables debugging.

graceful-restart

Syntax

[no] graceful-restart

Context

debug>router>isis

Description

This command enables debugging for IS-IS graceful-restart.

The no form of the command disables debugging.

interface

Syntax

interface [ip-int-name | ip-address]

no interface

Context

debug>router>isis

Description

This command enables debugging for IS-IS interface.

The no form of the command disables debugging.

Parameters

ip-address

When specified, only the interface with the specified interface address is debugged.

Values

ipv4-address: a.b.c.d (host bits must be 0)
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

ip-int-name

When specified, only the interface with the specified interface name is debugged.

leak

Syntax

leak [ip-address]

no leak

Context

debug>router>isis

Description

This command enables debugging for IS-IS leaks.

The no form of the command disables debugging.

Parameters

ip-address

When specified, only the specified address is debugged for IS-IS leaks.

Values

ipv4-address: a.b.c.d (host bits must be 0)
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

lsdb

Syntax

[no] lsdb [level-number] [system-id | lsp-id]

Context

debug>router>isis

Description

This command enables debugging for Link State DataBase (LSDB).

The no form of the command disables debugging.

Parameters

system-id

When specified, only the specified system-id is debugged. Host name up to 38 characters.

lsp-id

When specified, only the specified lsp-id is debugged. Hostname up to 38 characters.

level-number

Specifies the interface level (1, 2, or 1 and 2).

misc

Syntax

[no] misc

Context

debug>router>isis

Description

This command enables debugging for IS-IS misc.

The no form of the command disables debugging.

packet

Syntax

packet [packet-type] [ip-int-name | ip-address] [detail]

Context

debug>router>isis

Description

This command enables debugging for IS-IS packets.

The no form of the command disables debugging.

Parameters

ip-address

When specified, only packets with the specified interface address are debugged.

Values

ipv4-address: a.b.c.d (host bits must be 0)
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

ip-int-name

When specified, only packets with the specified interface name are debugged.

packet-type

When specified, only packets of the specified type are debugged.

Values

detail

All output is displayed in the detailed format.

rtm

Syntax

rtm [ip-address]

no rtm

Context

debug>router>isis

Description

This command enables debugging for IS-IS route table manager (RTM).

The no form of the command disables debugging.

Parameters

ip-address

The specified IP address.

ipv4-address: a.b.c.d (host bits must be 0)
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 — FFFF]H
d: [0 — 255]D

spf

Syntax

[no] spf [level-number] [system-id]

Context

debug>router>isis

Description

This command enables debugging for IS-IS SFP.

The no form of the command disables debugging.

Parameters

system-id

When specified, only the specified system-id is debugged. A 6-octet system identifier (xxxx.xxxx.xxxx).

level-nunmber

Specifies the interface level (1, 2, or 1 and 2).