Figure 58. IPv6 IS-IS Sample Topography
IS-IS Sample Configuration — Router 1
IS-IS Sample Configuration — Router 2
IS-IS Sample Configuration — Router 3
The following is a sample configuration for enabling IPv6 IS-IS.
R1(conf)#interface Loopback 0
R1(conf-if-lo-0)#ip address 192.168.1.1/24
R1(conf-if-lo-0)#ipv6 address 2001:db8:9999:1::/48
R1(conf-if-lo-0)#ip router isis 9999
R1(conf-if-lo-0)#no shutdown
R1(conf-if-lo-0)#router isis 9999
R1(conf-router_isis)#is-type level-1
R1(conf-router_isis)#net FF.F101.0002.0C00.1111.00
R1(conf-router_isis)#ipv6 route 2001:db8:9999:2::/128 2001:db8:1021:2::
R1(conf)#ipv6 route 2001:db8:9999:3::/128 2001:db8:1022:3::
R1(conf)#ip route 192.168.1.2/32 10.0.12.2
R1(conf)#ip route 192.168.1.3/32 10.0.13.3
R1(conf)#interface GigabitEthernet 1/21
R1(conf-if-gi-1/21)#ip address 10.0.12.1/24
R1(conf-if-gi-1/21)#ipv6 address 2001:db8:1022:1::/48
R1(conf-if-gi-1/21)#isis circuit-type level-1
R1(conf-if-gi-1/21)#isis network point-to-point
R1(conf-if-gi-1/21)#ip router isis 9999
R1(conf-if-gi-1/21)#no shutdown
R1(conf-if-gi-1/21)#interface GigabitEthernet 1/34
R1(conf-if-gi-1/34)# ip address 10.0.13.1/24
R1(conf-if-gi-1/34)#ipv6 address 2001:db8:1021:1::/48
R1(conf-if-gi-1/34)#ip router isis 9999
R1(conf-if-gi-1/34)#no shutdown
R1(conf-if-gi-1/34)#end
506 Intermediate System to Intermediate System