3Com Switch 4800G 24-Port Configuration Manual page 316

316 C 28: OSPF C
HAPTER
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ONFIGURATION
# Configure Switch C.
[SwitchC] ospf
[SwitchC-ospf-1] area 1
[SwitchC-ospf-1-area-0.0.0.1] nssa
[SwitchC-ospf-1-area-0.0.0.1] quit
[SwitchC-ospf-1] quit
It is recommended to configure the nssa command with the keyword
default-route-advertise no-summary on Switch A (an ABR) to reduce the
routing table size on NSSA routers. On other NSSA routers, using the nssa
command is ok.
# Display OSPF routing information on Switch C.
[SwitchC] display ospf routing
OSPF Process 1 with Router ID 10.4.1.1
Routing for Network
Destination
0.0.0.0/0
10.2.1.0/24
10.4.1.0/24
Total Nets: 3
Intra Area: 2
4 Configure Switch C to redistribute static routes.
[SwitchC] ip route-static 3.1.3.1 24 11.1.1.1
[SwitchC] ospf
[SwitchC-ospf-1] import-route static
[SwitchC-ospf-1] quit
# Display OSPF routing information on Switch D.
[SwitchD-ospf-1] display ospf routing
OSPF Process 1 with Router ID 10.5.1.1
Routing for Network
Destination
10.2.1.0/24
10.3.1.0/24
10.4.1.0/24
10.5.1.0/24
10.1.1.0/24
Routing for ASEs
Destination
3.1.3.0/24
Total Nets: 6
Intra Area: 2
You can see on Switch D an external route imported from the NSSA area.
Routing Tables
Cost Type NextHop
65536 Inter 10.2.1.1
65535 Transit 10.2.1.2
3 Stub 10.4.1.1
Inter Area: 1 ASE: 0
Routing Tables
Cost Type NextHop
22 Inter 10.3.1.1
10 Transit 10.3.1.2
25 Inter 10.3.1.1
10 Stub 10.5.1.1
12 Inter 10.3.1.1
Cost Type Tag
1 Type2 1
Inter Area: 3 ASE: 1
AdvRouter
10.2.1.1
10.4.1.1
10.4.1.1
NSSA: 0
AdvRouter
10.3.1.1
10.3.1.1
10.3.1.1
10.5.1.1
10.3.1.1
NextHop
10.3.1.1
NSSA: 0
Area
0.0.0.1
0.0.0.1
0.0.0.1
Area
0.0.0.2
0.0.0.2
0.0.0.2
0.0.0.2
0.0.0.2
AdvRouter
10.2.1.1