Concept Guide

The following output shows that Dell-1 forms OSPF neighborship with Dell-2.
Dell-2#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface Area
4.4.4.4 1 FULL/ - 00:00:33 10.10.100.1 Vl 100 0
Dell-3 VLT Conguration
vlt domain 110
peer-link port-channel 110
back-up destination 10.1.1.1
primary-priority 4096
system-mac mac-address 02:01:e8:d8:93:02
unit-id 0
peer-routing
! proxy-gateway static
remote-mac-address 00:01:e8:d8:93:07
remote-mac-address 00:01:e8:d8:93:e5
These MAC addresses are the system L2 interface addresses for each switch at the remote site, Dell-1 and Dell-2.
interface TenGigabitEthernet 0/8
description "To Dell-1 10Gb"
no ip address
interface TenGigabitEthernet 0/9
description "To Dell-1 10Gb"
no ip address
!
port-channel-protocol LACP
port-channel 50 mode active
no shutdown
!
interface Port-channel 50
description "mVLT port channel to Dell-1"
no ip address
switchport no spanning-tree
(STP is disabled between sites)
vlt-peer-lag port-channel 50
no shutdown
interface Vlan 101
description ospf peering vlan across VLTPG_Po50
ip address 10.10.101.2/30
tagged Port-channel 50
ip ospf network point-to-point
no shutdown
!
interface Vlan 102
description ospf peering vlan to DELL-4
ip address 10.10.102.1/30
ip ospf network point-to-point
no shutdown
The following is the OSPF conguration on Dell-3.
router ospf 1
router-id 3.3.3.3
network 10.10.101.0/30 area 0
network 10.10.102.0/30 area 0
VLT Proxy Gateway
1089