PurposeCommand or Action
Enters interface configuration mode and associates one or
more interfaces to the area.
interface type interface-path-id
Example:
RP/0/RSP0/CPU0:router(config-ospf-ar)# interface
GigabitEthernet 0/1/0/3
Step 4
Enters OSPF configuration mode.exit
Example:
RP/0/RSP0/CPU0:router(config-ospf-ar)# exit
Step 5
Creates a VRF instance and enters VRF configuration mode.
vrf vrf-name
Example:
RP/0/RSP0/CPU0:router(config-ospf)# vrf vrf1
Step 6
Enters area configuration mode and configures an area for
a VRF instance under the OSPF process.
area area-id
Example:
RP/0/RSP0/CPU0:router(config-ospf-vrf)# area 0
Step 7
•
The area-id argument can be entered in
dotted-decimal or IPv4 address notation, such as area
1000 or area 0.0.3.232. However, you must choose
one form or the other for an area.
Enters interface configuration mode and associates one or
more interfaces to the VRF.
interface type interface-path-id
Example:
RP/0/RSP0/CPU0:router(config-ospf-vrf)# interface
GigabitEthernet 0/0/0/0
Step 8
commit
Step 9
Configuring Multi-area Adjacency
This task explains how to create multiple areas on an OSPF primary interface.
Before You Begin
You can configure multi-area adjacency on any interface where only two OSF speakers are attached. In
the case of native broadcast networks, the interface must be configured as an OPSF point-to-point type
using the network point-to-point command to enable the interface for a multi-area adjacency.
Note
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
400 OL-30423-03
Implementing OSPF
Configuring Multi-area Adjacency
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