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 an IS-IS process ID.	The value is an integer that ranges from 1 to 65535.
vpn-instance vpn-instance-name	Specifies 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 use the display isis last-peer-change command to view a maximum of 100 latest records in each IS-IS process.

Example

# Display changes in IS-IS neighbor relationships.

<HUAWEI> 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 : vlanif10
State     : IPv4 -> IPv4/IPv6
Details   : Protocol change

**Table 1** Description of the display isis last-peer-change command output
Item	Description
Time	Time a neighbor relationship changes.
System Id	System ID of a neighbor.
Type	Neighbor type: L1 LAN L2 LAN P2P
Interface	Interface connected to the neighbor.
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	Causes for IS-IS neighbor relationship changes: Circuit down BFD down Hold timer expired New adjacency created Clear neighbor 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