API Guide

Establishing BFD sessions with OSPFv2 neighbors
You can establish BFD sessions with all OSPF neighbors at one go. Alternatively, you can also establish BFD sessions with OSPF
neighbors corresponding to a single OSPF interface.
To establish BFD sessions with OSPFv2 neighbors:
1. Enable BFD globally
bfd enable
CONFIGURATION Mode
2. Enter ROUTER-OSPF mode
router ospf ospf-instance
CONFIGURATION Mode
3. Establish sessions with all OSPFv2 neighbors.
bfd all-neighbors
ROUTER-OSPF Mode
4. Enter INTERFAC E CONFIGURATION mode.
interface interface-name
CONFIGURATION Mode
5. Establish BFD sessions with OSPFv2 neighbors corresponding to a single OSPF interface.
ip ospf bfd all-neighbors
INTERFACE CONFIGURATION Mode
Establishing BFD sessions with OSPFv2 neighbors in a non-default VRF
instance
To establish BFD sessions with OSPFv2 neighbors in a non-default VRF instance:
1. Enable BFD globally
bfd enable
CONFIGURATION Mode
2. Enter INTERFACE CONFIGURATION mode
interface interface-name
CONFIGURATION Mode
3. Associate a non-default VRF with the interface you have entered.
ip vrf forwarding vrf1
INTERFACE CONFIGURATION Mode
4. Assign an IP address to the VRF.
ip address ip-address
VRF CONFIGURATION Mode
5. Attach the interface to an OSPF area.
ip ospf ospf-instance area area-address
VRF CONFIGURATION Mode
6. Establish BFD session with OSPFv2 neighbors in a single OSPF interface in a non-default VRF instance.
ip ospf bfd all-neoghbors
VRF CONFIGURATION Mode
7. Enter ROUTER-OSPF mode in a non-default VRF instance.
router ospf ospf-instance vrf vrf-name
8. Establish BFD sessions with all OSPFv2 instances in a non-default VRF.
560
Layer 3