Display IS-IS Logical Interfaces

Use the following procedure to display the Intermediate-System-to-Intermediate-System (IS-IS) logical interfaces configured on the switch.

Procedure

To enter User EXEC mode, log on to the switch.
Display the IS-IS logical interfaces and mtu:

show isis logical-interface [name]

Examples

Example of a Layer 2 Core:

Switch:1>show isis logical-interface
================================================================================================================
                                              ISIS Logical Interfaces
================================================================================================================
IFIDX    NAME  ENCAP        L2_INFO      VIDS      TUNNEL   L3_TUNNEL_NEXT_HOP_INFO  BFD        TUNNEL   ORIGIN
               TYPE         PORT/MLT   (PRIMARY)   DEST-IP  PORT/MLT   VLAN   VRF    STATUS     SRC-IP
----------------------------------------------------------------------------------------------------------------

1      --     L2-P2P-VID    Port2/40  101,201(101)    --      --        --    --     disabled   --       config
2      --     L2-P2P-VID    Port1/3   102,202(102)    --      --        --    --     disabled   --       config
----------------------------------------------------------------------------------------------------------------
 2 out of 2 Total Num of Logical ISIS interfaces 
----------------------------------------------------------------------------------------------------------------

Example of a Layer 3 Core:

Switch:1>show isis logical-interface
================================================================================================================
                                                ISIS Logical Interfaces
================================================================================================================
IFIDX NAME ENCAP L2_INFO  VIDS      TUNNEL   L3_TUNNEL_NEXT_HOP_INFO   BFD        TUNNEL     ORIGIN   ISIS    
           TYPE  PORT/MLT (PRIMARY) DEST-IP  PORT/MLT   VLAN     VRF  STATUS      SRC-IP               MTU 
----------------------------------------------------------------------------------------------------------------
1  SPBoIP_T1  IP   --    --     50.50.50.9   Port1/25  500       vrf23 disabled  50.50.50.11  config  1000
2  SPBoIP_T2  IP   --    --     65.65.65.9   MLT10     2         vrf24 disabled  60.60.60.11  config  1600
----------------------------------------------------------------------------------------------------------------
2 out of 2 Total Num of Logical ISIS interfaces 
----------------------------------------------------------------------------------------------------------------

The command show isis logical-interface truncates the IS-IS logical interface name to the first 16 characters. To view the entire name (up to a maximum of 64 characters), use the command show isis logical-interface name.

Switch:1>show isis logical-interface name
========================================================================================
 						ISIS Logical Interface name
========================================================================================
ID     NAME   
              
----------------------------------------------------------------------------------------
1      SPBoIP_T1 
2      SPBoIP_T2 
3      SPBoIP_4K5
6      This_Is_A_50_Character_ISIS_Logical_Interface_Name 
----------------------------------------------------------------------------------------
 4 out of 4 Total Num of Logical ISIS interfaces 
----------------------------------------------------------------------------------------

Variable Definitions

The following table defines parameters for the show isis logical-interface command.


Variable	Value
name	Displays the full name of the IS-IS logical interface (up to a maximum of 64 characters).