Concept Guide

Sample BFD conguration in VLT domain
The following shows the sample conguration of BFD implementation in VLT environment:
ToR
1 Enable BFD globally.
TOR(conf)# bfd enable
2 Congure a VLT peer LAG.
3 Congure the port channel for the VLT interconnect on a ToR.
TOR(conf)# interface port-channel 10
TOR(conf-if-po-111)# no ip address
TOR(conf-if-po-111)# switchport
TOR(conf-if-po-111)# no shutdown
4 Congure a VLAN.
TOR(conf)#interface vlan 100
TOR(conf-if-vl-100)#ip address 100.1.1.3/24
TOR(conf-if-vl-100)#tagged port-channel 10
TOR(conf-if-vl-100)#arp timeout 1
TOR(conf-if-vl-100)#no shutdown
TOR(conf-if-vl-100)#exit
5 Enable BFD over OSPF.
TOR(conf)# router ospf 1
TOR(conf-router_ospf)# network 100.1.1.0/24 area 0
TOR(conf-router_ospf)# bfd all-neighbors
VLT Primary
1 Enable BFD globally.
VLT_Primary(conf)# bfd enable
2 Congure port channel which is used as VLTi link.
Virtual Link Trunking (VLT)
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