3com S7906E Manuel De Montage
1-52
Area: 0.0.0.1
Type LinkState ID AdvRouter Age Len Sequence Metric
Router 10.2.1.1 10.2.1.1 769 36 80000012 0
Router 10.4.1.1 10.4.1.1 1663 48 80000012 0
Network 10.2.1.1 10.2.1.1 769 32 80000010 0
Sum-Net 10.5.1.0 10.2.1.1 769 28 80000003 14
Sum-Net 10.3.1.0 10.2.1.1 1069 28 8000000F 4
Sum-Net 10.1.1.0 10.2.1.1 1069 28 8000000F 2
Sum-Asbr 10.3.1.1 10.2.1.1 1069 28 8000000F 2
# Display OSPF routing information on Switch D.
[SwitchD] display ospf routing
OSPF Process 1 with Router ID 10.5.1.1
Routing Tables
Routing for Network
Destination Cost Type NextHop AdvRouter Area
10.2.1.0/24 22 Inter 10.3.1.1 10.3.1.1 0.0.0.2
10.3.1.0/24 10 Transit 10.3.1.2 10.3.1.1 0.0.0.2
10.4.1.0/24 25 Inter 10.3.1.1 10.3.1.1 0.0.0.2
10.5.1.0/24 10 Stub 10.5.1.1 10.5.1.1 0.0.0.2
10.1.1.0/24 12 Inter 10.3.1.1 10.3.1.1 0.0.0.2
Total Nets: 5
Intra Area: 2 Inter Area: 3 ASE: 0 NSSA: 0
# On Switch D, ping the IP address 10.4.1.1 to check connectivity.
[SwitchD] ping 10.4.1.1
PING 10.4.1.1: 56 data bytes, press CTRL_C to break
Reply from 10.4.1.1: bytes=56 Sequence=2 ttl=253 time=2 ms
Reply from 10.4.1.1: bytes=56 Sequence=2 ttl=253 time=1 ms
Reply from 10.4.1.1: bytes=56 Sequence=3 ttl=253 time=1 ms
Reply from 10.4.1.1: bytes=56 Sequence=4 ttl=253 time=1 ms
Reply from 10.4.1.1: bytes=56 Sequence=5 ttl=253 time=1 ms
--- 10.4.1.1 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 1/1/2 ms
Configuring OSPF Route Redistribution
Network requirements
As shown in the following figure:
z
All the switches run OSPF, and the AS is divided into three areas.
z
Switch A and Switch B act as ABRs to forward routes between areas.