Changing the LSP refresh interval

1. Enter the configure terminal command to access global configuration mode.
   

   device# configure terminal

2. Enter the router isis command to enter IS-IS router configuration mode and enable IS-IS on the device.
   

   device(config)# router isis
   

3. Enter the lsp-refresh-interval command and specify a value to change the LSP refresh interval.
   

   device(config-isis-router)# lsp-refresh-interval 1800
   

The following example changes the LSP refresh interval to 1800 seconds.

device# configure terminal
device(config)# router isis
device(config-isis-router)# lsp-refresh-interval 1800