IS-IS Commands

IS-IS status

„Show clns : Information about the CLNS network

„Show clns protocol : Lists the protocol-specific information

„Show clns is-neighbor : IS-IS neighbors

„Show clns neighbor : Both ES and IS information

„Show isis database : LSDB

„Show isis topology : ISIS least-cost paths to destinationIS-IS command

„

Router#conf t

Router(config)#router isis      : enable IS-IS

Router(config-router)# net [network entity title]

Router(config-router)#net  49.0401.2101.8302.8174.00

Router(config-router)# is-type  [level-1/level-1-2/level-2-only]

Router(config-router)#

exit

„

Router(config)#interface[interface type] [interface number]

Router(config-if)#ip router isis

Router(config-if)#isis circuit-type[level-1/level-1-2/level-2-only]

: need to repeat for all interfaces that need to run IS-IS

Router#show ip route isis     : check routing table