display isis link-group interface

Function

The display isis link-group interface command displays information about the link group to which an IS-IS interface has been bound.

Format

display isis link-group interface { interface-name | interface-type interface-number }

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

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

Parameters

Parameter	Description	Value
interface-type	Displays information about the link group to which a specified IS-IS interface has been bound.	-
interface-number	Displays information about the link group to which a specified IS-IS interface has been bound.	-
process-id	Displays information about the link group to which the IS-IS interface in a specified process has been bound.	The value is an integer ranging from 1 to 4294967295.
vpn-instance vpn-instance-name	Displays information about the link group to which the IS-IS interface in a specified VPN instance has been bound.	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 information about the link group to which an IS-IS interface has been bound, run the display isis link-group interface command.

Example

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

# Display information about the link groups to which the IS-IS interfaces in all processes have been bound.

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

 Interface GE0/1/0
  IPV4:
     L1 GroupName    :  a
        GroupState   :  DOWN
        CircState    :  DOWN(Reason:circ has no adj)
        CostOffset   :  100
     L2 GroupName    :  a
        GroupState   :  DOWN
        CircState    :  UP
        CostOffset   :  100
  IPV6:
     L1 GroupName    :  a
        GroupState   :  DOWN
        CircState    :  DOWN(Reason:circ has no adj)
        CostOffset   :  100
     L2 GroupName    :  a
        GroupState   :  DOWN
        CircState    :  UP
        CostOffset   :  100

**Table 1** Description of the **display isis link-group interface** command output
Item	Description
L1 GroupName	Level-1 link group name.
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.
CircState	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.
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.
L2 GroupName	Level-2 link group name.
IPV4	IPV4 process.
IPV6	IPV6 process.