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1118 | Virtual Routing and Forwarding (VRF)
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Connect an OSPF process to a VRF instance
OSPF routes are supported on all VRF instances. Refer to Chapter 32, Open Shortest Path First (OSPFv2
and OSPFv3) for complete OSPF configuration information.
Assign an OSPF process to a VRF instance . Return to CONFIGURATION mode to enable the OSPF
process. The OSPF Process ID is the identifying number assigned to the OSPF process, and the Router ID
is the IP address associated with the OSPF process..
Once the OSPF process and the VRF are tied together, the OSPF Process ID cannot be used again in the
system.
Configure VRRP on a VRF Interface
Starting in release 8.4.1.0, you can configure the VRRP feature on interfaces that belong to a VRF
instance. In previous releases, VRRP was not supported on interfaces that were configured for a
non-default VRF.
In a virtualized network that consists of multiple VRFs, various overlay networks can exist on a shared
physical infrastructure. Nodes (hosts and servers) that are part of the VRFs can be configured with IP static
routes for reaching specific destinations through a given gateway in a VRF. VRRP provides high
availability and protection for next-hop static routes by eliminating a single point of failure in the default
static routed network. For more information, refer to Chapter 58, “Virtual Router Redundancy Protocol
(VRRP),” on page 1127.
Sample VRF Configuration
The following configuration illustrates a typical VRF set up.
Task Command Syntax Command Mode
Enable the OSPFv2 process globally for a VRF
instance.
Enter the VRF key word and instance name to tie the OSPF
instance to the VRF. All network commands under this OSPF
instance are subsequently tied to the VRF instance
.
process-id range: 0-65535
router ospf process-id vrf vrf name CONFIGURATION