Administrator Guide

3. Configure 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. Configure 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. Configure port channel which is used as VLTi link.
3. Enable VLT and configure a VLT domain.
VLT_Primary(conf)# vlt domain 100
VLT_Primary(conf-vlt-domain)# peer-link port-channel 100
VLT_Primary(conf-vlt-domain)# back-up destination 10.16.206.199
VLT_Primary(conf-vlt-domain)# peer-routing
4. Configure a VLT peer LAG.
VLT_Primary(conf)#interface port-channel 10
VLT_Primary(conf-if-po-10)#no ip address
VLT_Primary(conf-if-po-10)#switchport
VLT_Primary(conf-if-po-10)#vlt-peer-lag port-channel 10
VLT_Primary(conf-if-po-10)#no shutdown
5. Configure a VLAN.
VLT_Primary(conf)#interface vlan 100
VLT_Primary(conf-if-vl-100)#ip address 100.1.1.1/24
VLT_Primary(conf-if-vl-100)#tagged port-channel 10
VLT_Primary(conf-if-vl-100)#no shutdown
VLT_Primary(conf-if-vl-100)#exit
6. Enable BFD over OSPF.
VLT_Primary(conf)# router ospf 1
VLT_Primary(conf-router_ospf)# network 100.1.1.0/24 area 0
VLT_Primary(conf-router_ospf)# bfd all-neighbors
Virtual Link Trunking (VLT)
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