display isis brief

Function

The display isis brief command displays brief information about IS-IS processes.

Format

display isis brief [ process-id | { vpn-instance vpn-instance-name } ]

display isis process-id brief

Parameters

Parameter	Description	Value
process-id	Specifies the ID of an IS-IS process.	The value is an integer ranging from 1 to 4294967295.
vpn-instance vpn-instance-name	Displays brief information about IS-IS processes in a specified VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported.

Parameter

Description

Value

process-id

Specifies the ID of an IS-IS process.

The value is an integer ranging from 1 to 4294967295.

vpn-instance vpn-instance-name

Displays brief information about IS-IS processes in a specified VPN instance.

The value is a string of 1 to 31 case-sensitive characters, spaces not supported.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
isis	read

Usage Guidelines

Usage Scenario

To view brief information about IS-IS processes, run the display isis brief command. If process-id is not specified, the command displays brief information about all IS-IS processes.

Example

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

# Display brief information about all IS-IS processes of the public network instance.

<HUAWEI> display isis brief
                          ISIS Protocol Information for ISIS( 1 )
                          ----------------------------------


SystemId: cccc.cccc.cccc         System Level: L12
L1 Lsp Over Flow: false
L2 Lsp Over Flow: false
Level-1 Redistribute Capability: true
Level-2 Redistribute Capability: true
Ipv6 is not enabled
Level-1 Application Supported: MPLS Traffic Engineering
L1 MPLS TE is enabled
Level-2 Application Supported: IPv6 Traffic Engineering
L2 IPv6 TE is enabled
Systemid has been auto-recovered              : System-id conflict/Sequence number overflow
Some virtual Systemid has been auto-recovered : Sequence number overflow
Default Micro Isolation Protocol Car: CIR 8 kbps, CBS 100000 bytes, PIR 20000 kbps, PBS 9000000 bytes 
Current Micro Isolation Protocol Car: Enable, CIR 8 kbps, CBS 100000 bytes, PIR 20000 kbps, PBS 9000000 bytes 
Default Session Car: CIR 100 kbps, CBS 500000 bytes, PIR 5000 kbps, PBS 9000000 bytes 
Current Session Car: Enable, CIR 100 kbps, CBS 500000 bytes, PIR 5000 kbps, PBS 9000000 bytes
SRGB ignore-conflict:
        16000 - 17000: true
SRGB advertised after reboot:
        16000 - 17000: false

**Table 1** Description of the **display isis brief** command output
Item	Description
System Level	Level of a router: L1. L2. L12.
L1 Lsp Over Flow	Whether all Level-1 LSP fragments are used to encapsulate link information: true: yes. false: no.
L2 Lsp Over Flow	Whether all Level-2 LSP fragments are used to encapsulate link information: true: yes. false: no.
Level-1 Redistribute Capability	Status of the Level-1 re-advertisement attribute capability.
Level-2 Redistribute Capability	Status of the Level-2 re-advertisement attribute capability.
Ipv6 is not enabled	IPv6 is not enabled in an IS-IS process. If IPv6 is enabled in an IS-IS process, Ipv6 is enabled is displayed.
Systemid has been auto-recovered	Automatic IS-IS system ID recovery is triggered in the physical system because of a system ID conflict or sequence number reversal.
Some virtual Systemid has been auto-recovered	Automatic IS-IS system ID recovery is triggered in some virtual systems because of a sequence number reversal.
Default Session Car	Default Session CAR action.
Default Micro Isolation Protocol Car	Default micro isolation protocol CAR action.
CIR	CAR CIR.
CBS	CAR CBS.
PIR	CAR PIR.
PBS	CAR PBS.
Current Session Car	Current Session CAR action.
Current Micro Isolation Protocol Car	Current micro isolation protocol CAR action.
SRGB ignore-conflict	Whether the ignore-conflict parameter is specified for the configured SRGB.
SRGB advertised after reboot	Whether the related TLVs are advertised after the device is restarted after the SRGB with the ignore-conflict parameter is configured.
SystemId	Host system ID of the local IS-IS device.