display isis link-group

Function

The display isis link-group command displays the status of a link group and information about the link members in the link group.

Format

display isis { process-id link-group | link-group process-id } group-name

display isis { [ process-id ] link-group | link-group [ process-id ] }

display isis link-group vpn-instance vpn-instance-name

Parameters

Parameter	Description	Value
process-id	Displays information about the link group in a specified IS-IS process.	The value is an integer ranging from 1 to 4294967295.
group-name	Displays information about the link group of the specified name.	The value is a string of 1 to 32 case-sensitive characters.When quotation marks are used around the string, spaces are allowed in the string.
vpn-instance vpn-instance-name	Displays information about the link group in a specified VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.

Parameter

Description

Value

process-id

Displays information about the link group in a specified IS-IS process.

The value is an integer ranging from 1 to 4294967295.

group-name

Displays information about the link group of the specified name.

The value is a string of 1 to 32 case-sensitive characters.When quotation marks are used around the string, spaces are allowed in the string.

vpn-instance vpn-instance-name

Displays information about the link group in a specified VPN instance.

The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
isis	read

Usage Guidelines

Usage Scenario

To check the status of a link group and information about the link members in the link group, run the display isis link-group command.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display information about the link group in IS-IS process 1.

<HUAWEI> display isis link-group 1
Link-group information for ISIS(1)
                       ----------------------------------

 GroupName : a
 minMembers: 2   revertMembers: 2   costOffset: 100
 ------------------------------------------------------------
 IPV4 MT 0    L1 GroupState   :   DOWN  
                 Members          CircSate
                 ---------------------------
                 GE0/1/0          DOWN(Reason:circ has no adj)
 IPV4 MT 0    L2 GroupState   :   DOWN  
                 Members          CircSate
                 ---------------------------
                 GE0/1/0          UP
 IPV6 MT 2    L1 GroupState   :   DOWN  
                 Members          CircSate
                 ---------------------------
                 GE0/1/0          DOWN(Reason:circ has no adj)
 IPV6 MT 2    L2 GroupState   :   DOWN  
                 Members          CircSate
                 ---------------------------
                 GE0/1/0          UP

**Table 1** Description of the **display isis link-group** command output
Item	Description
GroupName	Link group name.
MT	The topology of interface, and the number is MT-ID.
GroupState	Link group status: UP: The status is Up when the number of available member links in a link group reaches or exceeds revert-number. DOWN: The status is Down when the number of available member links in a link group falls below min-members.
Members	Member link in a link group.
CircSate	Interface status: UP. DOWN: The status is Down due to the following causes: circ has no adj: The interface has no neighbor or its neighbor has been suppressed. circ quality is low: The quality of the link of the interface is low. circ ldp sync state is HoldMaxCost: The LDP session associated with the interface goes Down.
minMembers	Number of available member links that triggers a link cost adjustment.
revertMembers	Number of available member links that triggers a link cost restoration.
costOffset	Offset to be added to the link cost of the member links when the number of available member links falls below a specified number.