R1 Configuration - Dell S3048-ON Configuration Manual

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 allows 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.
Dell-2#show ip ospf neighbor
Neighbor ID Pri
172.17.1.1 1
172.15.1.1 1
The following output displays the routes learned using OSPF. Dell-2 also learns the routes to the loopback addresses on R1 through OSPF.
Dell-2#show ip route ospf
Destination Gateway
----------- -------
O 2.2.2.2/24 via 192.168.20.3, Vl 20 110/2
O 3.3.3.2/24 via 192.168.20.3, Vl 20 110/2
O 4.4.4.2/24 via 192.168.20.3, Vl 20 110/2
O 172.15.1.1/32 via 192.168.20.3, Vl 20 110/2
O 172.16.1.2/32 via 192.168.20.1, Vl 20 110/1
The following output displays the MAC address of all interfaces in the system. All interfaces, physical and virtual, have the same MAC
address. This is the address used for peer routing.
Dell#2#show interfaces | grep Hardware
Hardware is DellEth, address is 90:b1:1c:f4:29:f3
Hardware is DellEth, address is 90:b1:1c:f4:29:f3
Hardware is DellEth, address is 90:b1:1c:f4:29:f3
Hardware is DellEth, address is 90:b1:1c:f4:29:f3
(Output truncated for brevity)
Verify if peer routing has populated the CAM table with the correct information using the show cam mac command.
Dell#2#sh cam mac stack-unit 0 port-set 0
VlanId Mac Address
20 90:b1:1c:f4:29:f3 STATIC
20 00:0d:bc:6e:93:00 DYNAMIC
20 ff:ff:ff:ff:ff:ff STATIC
900 90:b1:1c:f4:29:f3 STATIC
900 ff:ff:ff:ff:ff:ff STATIC
800 90:b1:1c:f4:29:f3 STATIC
800 ff:ff:ff:ff:ff:ff STATIC
0 ff:ff:ff:ff:ff:ff STATIC
0 90:b1:1c:f4:2c:bd LOCAL_DA
0 90:b1:1c:f4:29:f3 LOCAL_DA
The MAC addresses of the VLAN interfaces of both VLT peers are registered in the L2 CAM as LOCAL_DA addresses.

R1 Configuration

Configuration on Interfaces
R1#show run | find Loopback2
interface Loopback2
ip address 2.2.2.2 255.255.255.0
!
interface Loopback3
ip address 3.3.3.2 255.255.255.0
!
interface Loopback4
ip address 4.4.4.2 255.255.255.0
State
FULL/DR
FULL/DROTHER
Dist/Metric
-----------
Region Interface
Po 10
Po 1
00001
Po 10
00001
Po 10
00001
00001
00001
00001
Dead Time Address
00:00:31 192.168.20.1
00:00:33 192.168.20.3
Last Change
-----------
02:15:25
02:15:25
02:15:25
02:15:25
02:15:25
Interface
Vl 20
Vl 20
Virtual Link Trunking (VLT)
Area
0
0
917