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Implementing OSPF on Cisco IOS XR Software
How to Implement OSPF on Cisco IOS XR Software
RC-234
Cisco IOS XR Routing Configuration Guide
OL-14356-01
Summary Steps
1. configure
2. interface type instance
3. vrf vrf-name
4. ipv4 address ipv4-address mask
5. end
6. router ospf instance-id
7. vrf vrf-name
8. router-id {router-id}
9. redistribute bgp process-id
10. area area-id
11. sham-link source-address destination-address
12. cost cost
13. end
or
commit
DETAILED STEPS
Command or Action Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
interface type instance
Example:
RP/0/RP0/CPU0:router(config)# interface
loopback 3
Enters interface configuration mode.
Step 3
vrf vrf-name
Example:
RP/0/RP0/CPU0:router(config-if)# vrf vrf1
Assigns an interface to the VPN routing and forwarding
(VRF) instance.
Step 4
ipv4 address ip-address mask
Example:
RP/0/RP0/CPU0:router(config-if)# ipv4 address
172.18.189.38 255.255.255.225
Assigns an IP address and subnet mask to the interface.