3Com S7906E Configuration Manual page 1468

Figure 1-10 Network diagram for configuring LDP sessions
Configuration procedure
1) Configure the IP addresses of the interfaces
Configure the IP addresses and masks of the interfaces including the VLAN interfaces and loopback
interfaces as required in
2) Configure the routes for OSPF to advertise
# Configure Switch A.
<Sysname> system-view
[Sysname] sysname SwitchA
[SwitchA] ospf
[SwitchA-ospf-1] area 0
[SwitchA-ospf-1-area-0.0.0.0] network 1.1.1.9 0.0.0.0
[SwitchA-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
[SwitchA-ospf-1-area-0.0.0.0] quit
[SwitchA-ospf-1] quit
# Configure Switch B.
<Sysname> system-view
[Sysname] sysname SwitchB
[SwitchB] ospf
[SwitchB-ospf-1] area 0
[SwitchB-ospf-1-area-0.0.0.0] network 2.2.2.9 0.0.0.0
[SwitchB-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.0] network 20.1.1.0 0.0.0.255
[SwitchB-ospf-1-area-0.0.0.0] quit
[SwitchB-ospf-1] quit
# Configure Switch C.
<Sysname> system-view
[Sysname] sysname SwitchC
[SwitchC] ospf
[SwitchC-ospf-1] area 0
[SwitchC-ospf-1-area-0.0.0.0] network 3.3.3.9 0.0.0.0
[SwitchC-ospf-1-area-0.0.0.0] network 20.1.1.0 0.0.0.255
[SwitchC-ospf-1-area-0.0.0.0] quit
[SwitchC-ospf-1] quit
After completing the above configurations, you will see that every switch has learned the routes to other
switches if you execute the display ip routing-table command. The following takes Switch A as an
example:
Figure 1-10. The detailed configuration procedure is omitted here.
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