Developers Guide

Table Of Contents
Version: 6(3)
Local System MAC address: 90:b1:1c:f4:2c:bb
Remote System MAC address: 90:b1:1c:f4:29:f1
Configured System MAC address: 90:b1:1c:f4:01:01
Remote system version: 6(3)
Delay-Restore timer: 90 seconds
Peer routing : Enabled
Peer routing-Timeout timer: 0 seconds
Multicast peer routing timeout: 150 seconds
Verify that the heartbeat mechanism is operational
DellEMC#1#sh vlt backup-link
VLT Backup Link
-----------------
Destination: 10.10.10.2
Peer HeartBeat status: Up
Destination VRF: default
HeartBeat Timer Interval: 1
HeartBeat Timeout: 3
UDP Port: 34998
HeartBeat Messages Sent: 4
HeartBeat Messages Received: 5
Use the show vlt detail command to verify that VLT is functional and that the correct VLANs are allowed.
DellEMC#1#sh vlt detail
Local LAG Id Peer LAG Id Local Status Peer Status Active VLANs
------------ ----------- ------------ ----------- -------------
1 1 UP UP 20
2 2 UP UP 1, 800, 900
The following output displays the OSPF configuration in Dell-1
DellEMC#1#sh run | find router
router ospf 1
router-id 172.17.1.1
network 192.168.9.0/24 area 0
network 192.168.8.0/24 area 0
network 172.17.1.0/24 area 0
network 192.168.20.0/29 area 0
passive-interface default
no passive-interface vlan 20
While the passive-interface default command prevents all interfaces from establishing an OSPF neighborship, the no
passive-interface vlan 20 command enables the interface for VLAN 20, the OSPF peering VLAN, to establish OSPF
adjacencies.
The following output displays that Dell-1 forms neighborship with Dell-2 and R1.
DellEMC#1#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address
Interface Area
172.16.1.2 1 FULL/BDR 00:00:31 192.168.20.2
Vl 20 0
172.15.1.1 1 FULL/DROTHER 00:00:39 192.168.20.3
Vl 20 0
The following output displays the routes learned using OSPF.
DellEMC#1#show ip route ospf
Destination Gateway Dist/Metric Last Change
----------- ------- ----------- -----------
O 2.2.2.2/24 via 192.168.20.3, Vl 20 110/2 02:13:50
O 3.3.3.2/24 via 192.168.20.3, Vl 20 110/2 02:13:50
O 4.4.4.2/24 via 192.168.20.3, Vl 20 110/2 02:13:50
O 172.15.1.1/32 via 192.168.20.3, Vl 20 110/2 02:13:50
O 172.16.1.2/32 via 192.168.20.2, Vl 20 110/1 02:13:50
Virtual Link Trunking (VLT)
967