display isis last-peer-change

Function

The display isis last-peer-change command displays changes in IS-IS neighbor relationships.

Format

display isis process-id last-peer-change

display isis last-peer-change [ process-id | vpn-instance vpn-instance-name ]

Parameters

Parameter	Description	Value
process-id	Specifies the IS-IS process ID.	The value is an integer ranging from 1 to 65535.
vpn-instance vpn-instance-name	Displays neighbor information about the multi-instance IS-IS process in the specified VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display isis last-peer-change command is used to view the latest at most 100 records on each IS-IS process.

Example

# Display changes in IS-IS neighbor relationships.

<sysname> display isis last-peer-change

                      Peer change information for ISIS(1)
                      -----------------------------------

Time      : 2011-03-28 09:30:34
System Id : 0000.0000.0002
Type      : L1 LAN
Interface : GigabitEthernet0/0/6
State     : IPv4 -> IPv4/IPv6
Details   : Protocol change

**Table 1** Description of the **display isis last-peer-change** command output
Item	Description
Time	Time at which a neighbor relationship changes
System Id	System ID of the host
Type	Current neighbor type: L1 LAN L2 LAN P2P
Interface	Interface on which an IS-IS neighbor relationship is established
State	Changes in the IS-IS neighbor relationship status: Init -> Up Up -> Down Up -> Init Down -> Up IPv4/IPv6 -> IPv4 IPv4/IPv6 -> IPv6 IPv4 -> IPv4/IPv6 IPv6 -> IPv4/IPv6 IPv4 -> IPv6 IPv6 -> IPv4 L12 -> L2 L2 -> L12
Details	Details on IS-IS neighbor relationship changes, including causes: Circuit down BFD down BFD6 down Hold timer expired New adjacency created Clear neighbour Multiple P2P adjacency Adjacency usage mismatch Internal error Memory low P2P circuit ID conflict Area mismatch Three way down Three way init Three way up Protocol change Mt usage mismatch Peer state change Peer level change