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Configuring IP Routing Protocol-Independent Features
IP Routing Protocol-Independent Configuration Examples
IPC-388
Cisco IOS IP Configuration Guide
router bgp 50000
network 192.168.0.0
network 10.0.0.0
neighbor 172.16.1.6 remote-as 60000
Complex OSPF Configuration Example
The following example configuration accomplishes several tasks in setting up an ABR. These tasks can
be split into two general categories:
• Basic OSPF configuration
• Route redistribution
The specific tasks outlined in this configuration are detailed briefly in the following descriptions.
Figure 64 illustrates the network address ranges and area assignments for the interfaces.
Figure 64 Interface and Area Specifications for OSPF Configuration Example
The basic configuration tasks in this example are as follows:
• Configure address ranges for Ethernet interface 0 through Ethernet interface 3.
• Enable OSPF on each interface.
• Set up an OSPF authentication password for each area and network.
• Assign link-state metrics and other OSPF interface configuration options.
• Create a stub area with area ID 10.0.0.0. (Note that the authentication and stub options of the area
router configuration command are specified with separate area command entries, but they can be
merged into a single area command.)
• Specify the backbone area (area 0).
Configuration tasks associated with redistribution are as follows:
• Redistribute IGRP and RIP into OSPF with various options set (including metric-type, metric, tag,
and subnet).
• Redistribute IGRP and OSPF into RIP.
The following is an example OSPF configuration:
Router A
S1031a
E3
E1
E2
E0
Network address range:
192.168.110.0 through 192.168.110.255
Area ID: 192.168.110.0
Network address range:
10.56.0.0 through 10.56.255.255
Area ID: 10.0.0.0
Configured as stub area
Network address range:
172.19.254.0 through 172.19.254.255
Area ID: 0
Confi
g
ured as backbone area
Network address range:
172.19.251.0 through 172.19.251.255
Area ID: 0
Configured as backbone area