interface loopback 0
 ip address 10.5.100.1 255.255.255.255
 ipv6 address 1234::10:5:100:1/128
 cdp enable
 no shutdown
interface serial 0
 description labd-s1
 ip address 10.5.1.1 255.255.255.252
 ipv6 address 1234::10:5:1:1/126
 clock rate 4000000
 cdp enable
 no shutdown
interface serial 1
 description labf-s0
 ip address 10.6.1.2 255.255.255.252
 ipv6 address 1234::10:6:1:2/126
 cdp enable
 no shutdown
interface ethernet 0
 description cata1-fe9 (cisco vlan)
 ip address 192.168.1.195 255.255.255.0
 ipv6 address 2001:738:7001:2003:1000::195/68
 cdp enable
 no shutdown