72 Routing Configuration
Figure 4-4. OSPF Configuration—Stub Area and NSSA Area
Configure Router A: Router A is a backbone router. It links to an ASBR (not defined here) that routes
traffic outside the AS.
• Globally enable IPv6 and IPv4 routing:
(console) #configure
ipv6 unicast-routing
ip routing
• Configure IP address and enable OSPF on VLAN routing interfaces 6 and 12 and enable IPv6 OSPF on
the interfaces. (OSPF is enabled on the IPv4 interface in the next code group.)
interface vlan 6
routing
ip address 10.2.3.3 255.255.255.0
ipv6 address 3000:2:3::/64 eui64
ip ospf area 0.0.0.0
ipv6 ospf
exit
interface vlan 12
routing
ip address 10.3.100.3 255.255.255.0
Router B - ABR (5.5.5.5)
10.1.2.2/24
3000:1:2::/64 eui64
10.2.4.2
3000:2:4::/64
10.2.3.2
3000:2:3::/64
Area 1 (0.0.0.1) - Stub
IR (5.3.0.0)
ASBR (5.1.0.0)
10.2.3.3/24
3000:2:3::/64
Router A - backbone
(3.3.3.3)
IR (5.4.0.0)
Area 2 (0.0.0.2) - NSSA
Area 0 (0.0.0.0) - backbone
AS-1
AS-2
10.3.100.3/24
3000:3:100::/64
VLAN 10 VLAN 5
VLAN 17
VLAN 6
VLAN 12
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