This task changes the maximum number of seconds a device waits between sending updated LSPs to its IS-IS neighbors from the default of 900 seconds to 1800 seconds.
device# configure terminal
device(config)# router isis
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