! -*- isisd -*- hostname R8-isisd password route0 enable password route0 router isis ROUTE0 net 49.0003.0100.0000.0008.00 is-type level-1-2 interface lo ip router isis ROUTE0 isis passive interface R8-eth1 ip router isis ROUTE0 isis circuit-type level-1-2 interface R8-eth2 ip router isis ROUTE0 isis circuit-type level-2-only interface R8-eth3 ip router isis ROUTE0 isis circuit-type level-1 log file /tmp/R8-isisd.log debugging