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
Examples
Example of a Layer 2 Core
Switch:1> show isis logical-interface
========================================================================================
ISIS Logical Interfaces
========================================================================================
IFIDX NAME ENCAP L2_INFO TUNNEL L3_TUNNEL_NEXT_HOP_INFO
TYPE PORT/MLT VIDS(PRIMARY) DEST-IP PORT/MLT VLAN VRF
----------------------------------------------------------------------------------------
1 -- L2-P2P-VID Port2/40 101,201(101) -- -- -- --
2 -- L2-P2P-VID Port1/3 102,202(102) -- -- -- --
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2 out of 2 Total Num of Logical ISIS interfaces
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Example of a Layer 3 Core
Switch:1> show isis logical-interface
========================================================================================
ISIS Logical Interfaces
========================================================================================
IFIDX NAME ENCAP L2_INFO TUNNEL L3_TUNNEL_NEXT_HOP_INFO
TYPE PORT/MLT VIDS(PRIMARY) DEST-IP PORT/MLT VLAN VRF
----------------------------------------------------------------------------------------
1 SPBoIP_T1 IP -- -- 41.41.41.41 MLT10 2 vrf24
2 SPBoIP_T2 IP -- -- 42.42.42.42 MLT10 2 vrf24
3 SPBoIP_4K5 IP -- -- 187.187.187.187 MLT10 2 vrf24
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3 out of 3 Total Num of Logical ISIS interfaces
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Example showing the status of BFD configurations on the IS-IS Logical interface
Switch:1> show isis logical-interface
==============================================================================================
ISIS Logical Interfaces
==============================================================================================
IFIDX NAME ENCAP L2_INFO TUNNEL L3_TUNNEL_NEXT_HOP_INFO BFD
TYPE PORT/MLT VIDS(PRIMARY) DEST-IP PORT/MLT VLAN VRF STATUS
-----------------------------------------------------------------------------------------------
1 tunnel01 IP -- -- 198.51.100.1 Port1/2 123 vrf30 disabled
2 tunnel102 IP -- -- 198.51.100.2 Port1/3 345 vrf20 disabled
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2 out of 2 Total Num of Logical ISIS interfaces
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Example showing the full IS-IS logical interface name
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
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4 out of 4 Total Num of Logical ISIS interfaces
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Display IS-IS logical interface configuration.
Switch:1>show isis logical-interface ipsec
====================================================================================================
ISIS Logical Interface IPSec
====================================================================================================
ID Auth-Method Auth-Key Responder-Only Remote NAT IP Auth-Key-Len Status Compression
----------------------------------------------------------------------------------------------------
1 RSA-SIG ****** False - 128 Enable False
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1 out of 1 Total Num of Logical ISIS interfaces
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====================================================================================================
IPSec Tunnel General Info
====================================================================================================
IPSec tunnel source-ip-address :
====================================================================================================
ISIS IPSec Tunnels
====================================================================================================
ID IPSec Dst Ip TUNNEL_NEXT_HOP
PORT/MLT VLAN VRF
----------------------------------------------------------------------------------------------------
1 192.0.2.200 Port1/6 100 GlobalRouter
----------------------------------------------------------------------------------------------------
1 out of 1 Total Num of Logical ISIS interfaces
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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
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3 out of 3 Total Num of Logical ISIS interfaces
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Example showing the IS-IS logical interfaces mtu values
This command displays the Maximum Transmission Unit (MTU) size 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
----------------------------------------------------------------------------------------
Job Aid
The following table describes the fields in the output for the show isis logical interface command.
|
Parameter |
Description |
|---|---|
|
BFD STATUS |
Specifies the status of BFD on this logical interface. The status can be enabled or disabled. |
|
IFIDX |
Specifies an index value for this logical interface. |
|
NAME |
Specifies the administratively assigned name of this logical interface, which can be up to 16 characters. |
|
ENCAP TYPE |
Specifies whether the encapsulation type for the logical interface is Layer 2 (L2–P2P-VID) or Layer 3 (IP). |
|
L2_INFO PORT/MLT |
Specifies the port or MLT that the logical interface is connected to in an L2 network. |
|
L2_INFO VLAN |
Specifies the list of VLANs that are associated with this L2 logical interface. |
|
TUNNEL DEST-IP |
Specifies the destination IP address for the logical interface. |
|
L3_TUNNEL_NEXT_HOP_INFO PORT/MLT |
Specifies the outgoing interface (port or MLT) for VXLAN traffic. |
|
L3_TUNNEL_NEXT_HOP_INFO VLAN |
Specifies the outgoing VLAN interface for VXLAN traffic. |
|
L3_TUNNEL_NEXT_HOP_INFO VRF |
Specifies the name of the VRF that this L3 logical interface is configured on. |
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). |
|
ipsec |
Displays the IS-IS logical interface ID and IPsec authentication key. |
|
shaper |
Displays the IS-IS logical interface egress shaping rate values. Only interfaces that have egress shaping rates configured display. |