hostname r4 log file isisd.log ! debug isis adj-packets ! debug isis events ! debug isis update-packets agentx ! router isis 1 net 10.0000.0000.0000.0000.0000.0000.0000.0000.0004.00 metric-style wide redistribute ipv4 connected level-1 redistribute ipv6 connected level-1 ! interface r4-eth0 ip router isis 1 ipv6 router isis 1 isis circuit-type level-1 ! interface r4-eth1 ip router isis 1 ipv6 router isis 1 isis network point-to-point isis circuit-type level-1 !