interface loopback 0
 ip address 10.8.100.1 255.255.255.255
 ipv6 address 1234::10:8:100:1/128
 cdp enable
 no shutdown
interface ethernet 0/0
 description cata1-fe11
 ip address 10.8.1.1 255.255.255.0
 ipv6 address 1234::10:8:1:1/120
 cdp enable
 no shutdown
interface fastethernet 1/0
 description cata1-fe12 (cisco vlan)
 ip address 192.168.1.198 255.255.255.0
 ipv6 address 2001:738:7001:2003:1000::198/68
 cdp enable
 no shutdown