Timer Lsp-Refresh - 3Com 7750 Series Command Reference Manual

3Com Switch 7750 Series
Command Reference Guide – Routing Protocol
When the router generates system LSPs, the LSPs are generated with the maximum
valid time in them. When a LSP is received by other routers, the maximum valid time
will be smaller and smaller. If the maximum valid time decreases to 0, this LSP will be
removed from LSDB.
Related command: timer lsp-refresh.
Example
# Set the maximum valid time of the LSPs generated by the current system to 25
minutes, namely, 1,500 seconds.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] isis
[3Com-isis] timer lsp-max-age 1500

4.1.42 timer lsp-refresh

Syntax
timer lsp-refresh seconds
undo timer lsp-refresh
View
IS-IS view
Parameter
seconds: LSP updating period in seconds, ranging from 1 to 65,535. It is 900 seconds
by default.
Description
Use the timer lsp-refresh command to set LSP updating period.
Use the undo timer lsp-refresh to resume the default configuration.
You can keep LSP in synchronization for the whole area with this mechanism.
Related command: timer lsp-max-age.
Example
# Set the updating period to 1,500 seconds for the current system LSP.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] isis
[3Com-isis] timer lsp-refresh 1500
Chapter 4 Integrated IS-IS Configuration Commands
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