H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – Routing Protocol
H3C S7500 Series Ethernet Switches Chapter 5 IS-IS Configuration
5-20
5.3.20 Configuring to Log Peer Changes
With peer state logging enabled, IS-IS peer state changes are output to the console
terminal.
Follow these steps to enable peer change logging:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter IS-IS view isis [ tag ] —
Enable peer change
logging
log-peer-change
Required
By default, peer change
logging is disabled.
5.3.21 Assigning an LSP Refresh Time
All LSPs are sent periodically to synchronize the LSPs in an area.
Follow these steps to assign an LSP refresh time:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter IS-IS view isis [ tag ] —
Assign an LSP
refresh time
timer lsp-refresh seconds
Required
By default, LSPs are
refreshed every 900 seconds,
namely, 15 minutes.
5.3.22 Assigning an LSP Maximum Aging Time
An LSP is given a maximum aging value when it is generated by the router. When the
LSP is sent to other routers, its maximum aging value goes down gradually. If the
router does not get the update for the LSP before the maximum aging value reaches 0,
the LSP will be deleted from the LSDB.
Follow these steps to assign an LSP maximum aging time:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter IS-IS view isis [ tag ] —