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Predefined user roles
network-admin
Parameters
seconds: Specifies the LSP refresh interval in the range of 1 to 65534 seconds.
Usage guidelines
To prevent valid routes from aging out and to synchronize LSPs in the network, each router needs to
refresh its LSPs at a configurable interval and send them to other routers. A smaller refresh interval speeds
up network convergence but consumes more bandwidth.
To refresh LSPs before they are aged out, the interval configured by the timer lsp-refresh command must
be smaller than that configured by the timer lsp-max-age command.
Examples
# Configure the LSP refresh interval as 1500 seconds.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] timer lsp-refresh 1500
Related commands
timer lsp-max-age
timer spf
Use timer spf to set the SPF calculation interval.
Use undo timer spf to restore the default.
Syntax
timer spf maximum-interval [ minimum-interval [ incremental-interval ] ]
undo timer spf
Default
The maximum interval is 5 seconds, the minimum interval is 50 milliseconds, and the incremental interval
is 200 milliseconds.
Views
IS-IS view
Predefined user roles
network-admin
Parameters
maximum-interval: Specifies the maximum SPF calculation interval in the range of 1 to 120 seconds.
minimum-interval: Specifies the minimum SPF calculation interval in the range of 10 to 60000
milliseconds.
incremental-interval: Specifies the incremental SPF calculation interval in the range of 10 to 60000
milliseconds.
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