| 5.3.1 |
Configuring
OSPF Routing
Router(config)# router ospf
process-id
Router(config-router)# network network-address
wild-card-mask area area-1-number
Router(config-router)# network network-address
wild-card-mask area area-2-number
|
| 5.3.3 |
Configuring
Route Summarization
On the ABR (Summarizes routes
before injecting them into different area)
Router(config-router)# area area-id
range network-address subnet-mask
On the ASBR (Summarizes
external routes before injecting them into the OSPF domain.)
Router(config-router)# summary-address network-address
subnet-mask
|
| 5.4.3 and
5.4.4 |
Configuring
Stub Areas
The following command must be on
all routers in that area, both ABR and internal routers:
Router(config-router)# area process-id
stub
|
| 5.4.3
and
5.4.5 |
Totally
Stubby Area
These commands must be on the ABR
Router:
Router(config-router)# area area-id
stub no-summary
Router(config)# ip route 0.0.0.0 0.0.0.0 next-hop-ip
The following command must be on
all internal routers in that area:
Router(config-router)# area area-id
stub
Router(config-router)# area
process-id default-cost metric
Router(config-if)# bandwidth value
|
| 5.5.2 |
Virtual
Links
Router(config-router)# area
area-id virtual-link abr-ip-add
|
| 5.6.3 |
NSSA (Not
So Stubby Area)
One of these commands must be on
the ABR Router:
Router(config-router)# area area-id
nssa
Router(config-router)# area area-id nssa
default-information-originate
|
| 5.7.1 |
Show
commands
Router#show ip ospf
border-routers --- Displays
the internal OSPF routing table entries to an ABR.
Router#show ip ospf virtual-links
Router#show ip ospf process-
Router#show ip ospf database
Router#show ip ospf [process-id area-id] database
[router] Router#show ip ospf [process-id area-id]
database [network] Router#show ip ospf [process-id
area-id] database [summary] Router#show ip
ospf [process-id area-id] database [asbr-summary]
Router#show ip ospf [process-id area-id] database
[external] Router#show ip ospf [process-id
area-id] database [database-summary]
|