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 interface:

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  ISIS  SDWAN
               TYPE       PORT/MLT   (PRIMARY)   DEST-IP  PORT/MLT   VLAN   VRF    STATUS   SRC-IP           MTU   OPER STATE     
----------------------------------------------------------------------------------------------------------------------------
1     SD-WAN-1 IP          --        --          192.0.2.3 Port1/44  4047   sd-wan disabled 192.0.2.1 ZTF    1400  UP
2     --       L2-P2P-VID  Port2/1   101,201(101)    --      --        --    --    disabled   --      config       N/A
3     --       L2-P2P-VID  Port1/3   102,202(102)    --      --        --    --    disabled   --      config       N/A
----------------------------------------------------------------------------------------------------------------------------
3 out of 3 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  SDWAN    
           TYPE  PORT/MLT (PRIMARY) DEST-IP  PORT/MLT   VLAN     VRF  STATUS     SRC-IP               MTU  OPER STATE
---------------------------------------------------------------------------------------------------------------------
1  SD-WAN-1   IP     --    --   192.0.2.3    Port1/44  4047     sd-wan disabled  192.0.2.1  ZTF     1400   UP
2  SPBoIP_T1  IP   --    --     192.0.2.15   Port1/25  500      vrf23  disabled  192.0.2.16 config  1000   N/A
3  SPBoIP_T2  IP   --    --     192.0.2.224  MLT10      2       vrf24  disabled  192.0.2.22 config  1600   N/A
---------------------------------------------------------------------------------------------------------------------
3 out of 3 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      SD-WAN-1
2      SPBoIP_T1
3      SPBoIP_T2
4      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).