display isis brief

Function

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

Format

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

display isis [ process-id ] brief

Parameters

Parameter	Description	Value
process-id	Display brief information about a specified IS-IS process.	The value is an integer that ranges from 1 to 65535.
vpn-instance vpn-instance-name	Display brief information about the IS-IS multi-instance process in a specified VPN instance.	The value must be an existing VPN instance name.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

You can run the display isis brief command to check brief information about IS-IS.

Example

# Display brief information about IS-IS.

<HUAWEI> display isis brief

                     ISIS Protocol Information for ISIS(1)
                     -------------------------------------
SystemId: 0000.0000.0001      System Level: L1
Area-Authentication-mode: NULL
Domain-Authentication-mode: NULL
Ipv6 is not enabled
ISIS is in starting status
ISIS is in protocol hot standby state: Real-Time Backup
Flush Protect Mode: False

Interface: (Vlanif10)
Cost: L1 10        L2 10                Ipv6 Cost: L1 10   L2 10
State: IPV4 Down                        IPV6 Down
Type: BROADCAST                         MTU: 1497
Priority: L1 64   L2 64
Timers:     Csnp: L1 10    L2 10    ,Retransmit: L12 5   , Hello: L1 10 L2 10  ,

Hello Multiplier: L1 3    L2 3     , LSP-Throttle Timer: L12 50

**Table 1** Description of the display isis brief command output
Item	Description
ISIS Protocol Information for ISIS(1)	Information about IS-IS process 1. To create an IS-IS process, run the isis command.
SystemId	System ID of the current IS-IS device. To set the system ID, run the network-entity command.
System Level	Level of an IS-IS device: L1: Level-1 L2: Level-2 L12: Level-1-2 To set the level of an IS-IS device, run the is-level command.
Area-Authentication-mode	IS-IS area authentication mode. To set the IS-IS area authentication mode and password, run the area-authentication-mode command.
Domain-Authentication-mode	IS-IS routing domain authentication mode. To set the IS-IS domain authentication mode and password, run the domain-authentication-mode command.
Ipv6 is not enabled	IPv6 is not enabled in the IS-IS process.
ISIS is in starting status	IS-IS is running.
ISIS is in protocol hot standby state: Real-Time Backup	IS-IS hot standby is real-time backup.
Flush Protect Mode	Indicates whether the process works in purge LSP protection mode.
Interface	Interface on which IS-IS is enabled. To enable IS-IS on an interface, run the isis enable command.
Cost	Cost of IS-IS IPv4 interfaces. To set the cost of IS-IS IPv4 interfaces, run the circuit-cost or isis cost command.
Ipv6 Cost	Cost of IS-IS IPv6 interfaces. To set the cost of IS-IS IPv6 interfaces, run the ipv6 circuit-cost or isis ipv6 cost command.
State	Status of the IS-IS interface.
Type	Network type of the IS-IS interface: P2P or broadcast. To set the network type of an IS-IS interface, run the isis circuit-type command.
MTU	MTU of the IS-IS interface.
Priority	Priority of the IS-IS interface. NOTE: When the current interface is a virtual link interface, the priority field is not displayed.
Timers	IS-IS timer.
Csnp	Interval for sending CSNPs. To set the interval for sending CSNPs, run the isis timer csnp command.
Retransmit	Interval for retransmitting LSPs on a P2P link. To set the retransmit interval, run the isis timer lsp-retransmit command.
Hello	Interval for sending Hello packets. To set the interval for sending Hello packets, run the isis timer hello command.
Hello Multiplier	Number of consecutive Hello packets that are not received before the neighbor is declared Down. To set this value, run the isis timer holding-multiplier command.
LSP-Throttle Timer	Interval for sending LSPs or CSNPs and number of LSPs or CSNPs that are sent each time. To set the two values, run the isis timer lsp-throttle command.