Example 1 Simple Ospf Domain, Enable Ospf

BLADEOS 6.5.2 Application Guide

Example 1: Simple OSPF Domain

In this example, two OSPF areas are defined—one area is the backbone and the other is a stub area. A stub area does not allow advertisements of external routes, thus reducing the size of the database. Instead, a default summary route of IP address 0.0.0.0 is automatically inserted into the stub area. Any traffic for IP address destinations outside the stub area will be forwarded to the stub area’s IP interface, and then into the backbone.

Figure 34 A Simple OSPF Domain

Network	Network
10.10.7.0/24	10.10.12.0/24

Follow this procedure to configure OSPF support as shown in Figure 34:

1.Configure IP interfaces on each network that will be attached to OSPF areas. In this example, two IP interfaces are needed:

Interface 1 for the backbone network on 10.10.7.0/24

Interface 2 for the stub area network on 10.10.12.0/24

RS G8124(config)# interface ip 1

RS G8124(config-ip-if)# ip address 10.10.7.1

RS G8124(config-ip-if)# ip netmask 255.255.255.0

RS G8124(config-ip-if)# enable

RS G8124(config-ip-if)# exit

RS G8124(config)# interface ip 2

RS G8124(config-ip-if)# ip address 10.10.12.1

RS G8124(config-ip-if)#ip netmask 255.255.255.0

RS G8124(config-ip-if)# enable

RS G8124(config-ip-if)# exit

Note – OSPFv2 supports IPv4 only. IPv6 is supported in OSPFv3 (see “OSPFv3 Implementation in BLADEOS” on page 298).

2.Enable OSPF.

RS G8124(config)# router ospf

RS G8124(config-router-ospf)# enable

BMD00220, October 2010

Chapter 20: OSPF 289

G8124-E, G8124 specifications

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