Display IS-IS logical interfaces.
show isis logical-interface [name] [shaper] [mtu]
None.
User EXEC
Fabric Extend Tunnel IS-IS MTU configuration is added to the document in advance of Fabric Extend Integration with ExtremeCloud SD-WAN support. Feature support is planned for 8.10.1.
The shaper parameter applies only to XA1400 Series.
The show isis logical-interface command displays the following information:
| Output field | Description | 
|---|---|
| IFIDX | Displays an index value for this logical interface. | 
| NAME | Displays the administratively assigned name of this logical interface. | 
| MTU | XA1400 only. Displays the Maximum Transmission Unit (MTU) size in bytes for this logical interface. | 
| ENCAP TYPE | Displays whether the encapsulation type for the logical interface is Layer 2 (L2–P2P-VID) or Layer 3 (IP). | 
| L2_INFO PORT/MLT | Displays the port or MLT that the logical interface is connected to in an Layer 2 network. | 
| VIDS (PRIMARY) | Displays the list of VLANs that are associated with this Layer 2 logical interface. | 
| TUNNEL DEST-IP | Displays the destination IP address for the logical interface. | 
| L3_TUNNEL_NEXT_HOP_INFO PORT/MLT | Displays the outgoing interface (port or MLT) for VXLAN traffic. | 
| L3_TUNNEL_NEXT_HOP_INFO VLAN | Displays the outgoing VLAN interface for VXLAN traffic. | 
| L3_TUNNEL_NEXT_HOP_INFO VRF | Displays the name of the VRF that this Layer 3 logical interface is configured on. | 
| BFD STATUS | Displays the status of BFD on this logical interface. The status can be enabled or disabled. | 
| TUNNEL SRC-IP | Displays the source IP address for a Fabric Extend tunnel. | 
| ORIGIN | Displays the origin of the IS-IS logical interface configuration. For example, Zero Touch Fabric Configuration (ZTF) or manual configuration (config) through CLI or EDM. | 
| ISIS MTU | Displays the Maximum Transmission Unit (MTU) size in bytes for IS-IS packets that use this logical interface. FE-IP deployments only. All models except XA1400. | 
| MTU | XA1400 only. Displays the Maximum Transmission Unit (MTU) size in bytes for this logical interface. FE-IP deployments only. | 
Example of a Layer 2 Core (FE-VID):
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 (FE-IP):
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 
----------------------------------------------------------------------------------------
         The command show isis logical-interface mtu can be completed on the XA1400 Series only. The command displays the Maximum Transmission Unit (MTU) size in bytes for each logical interface.
Switch:1>show isis logical-interface mtu
========================================================================================
                   ISIS Logical Interface Mtu
========================================================================================
ID       NAME                                                              MTU
----------------------------------------------------------------------------------------
1        SPBoIP_T1                                                          751
2        SPBoIP_T2                                                         1000
3        SPBoIP_4K5                                                        1950
----------------------------------------------------------------------------------------
 3 out of 3 Total Num of Logical ISIS interfaces
----------------------------------------------------------------------------------------
         Display the IS-IS logical interface egress shaping rate values. This command displays interfaces with egress shaping rates configured.
Switch:1>show isis logical-interface shaper
========================================================================================
                   ISIS Logical Interface Egress Shaping Rate
========================================================================================
ID       NAME                                                       service-rate(Mbps)
----------------------------------------------------------------------------------------
1        remote1                                                           135
2        remote2                                                           120
3        remote3                                                           178
----------------------------------------------------------------------------------------
 3 out of 3 Total Num of Logical ISIS interfaces
----------------------------------------------------------------------------------------