Specifications

OSPF Configuration Example
ExtremeWare XOS 11.0 Concepts Guide 289
Area 6 is a stub area connected to the backbone by way of ABR1. It is located in Los Angeles and has
the following characteristics:
• Network number 161.48.x.x
• One identified VLAN (LA_161_48_2)
• Three internal routers
• Uses default routes for inter-area routing
Two router configurations for the example in Figure 52 are provided in the following section.
Configuration for ABR1
The router labeled ABR1 has the following configuration:
create vlan HQ_10_0_2
create vlan HQ_10_0_3
create vlan LA_161_48_2
create vlan Chi_160_26_26
configure vlan HQ_10_0_2 ipaddress 10.0.2.1 255.255.255.0
configure vlan HQ_10_0_3 ipaddress 10.0.3.1 255.255.255.0
configure vlan LA_161_48_2 ipaddress 161.48.2.2 255.255.255.0
configure vlan Chi_160_26_26 ipaddress 160.26.26.1 255.255.255.0
create ospf area 0.0.0.5
create ospf area 0.0.0.6
enable ipforwarding
configure ospf area 0.0.0.6 stub nosummary stub-default-cost 10
configure ospf add vlan LA_161_48_2 area 0.0.0.6
configure ospf add vlan Chi_160_26_26 area 0.0.0.5
configure ospf add vlan HQ_10_0_2 area 0.0.0.0
configure ospf add vlan HQ_10_0_3 area 0.0.0.0
enable ospf
Configuration for IR1
The router labeled IR1 has the following configuration:
configure vlan HQ_10_0_1 ipaddress 10.0.1.2 255.255.255.0
configure vlan HQ_10_0_2 ipaddress 10.0.2.2 255.255.255.0
enable ipforwarding
configure ospf add vlan all area 0.0.0.0
enable ospf