Configuring ospf areas, Prerequisites – H3C Technologies H3C S7500E Series Switches User Manual
Page 93
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To do…
Use the command…
Remarks
Enable an OSPF process and
enter its view
ospf [ process-id |
router-id router-id |
vpn-instance
instance-name ] *
Required
Not enabled by default.
Configure a description for the
OSPF process
description description
Optional
Not configured by default.
Configure an OSPF area and
enter OSPF area view
area area-id
Required
Not configured by default.
Configure a description for the
area
description description
Optional
Not configured by default.
Specify a network to enable
OSPF on the interface attached
to the network
network ip-address
wildcard-mask
Required
Not configured by default.
z
A network segment can only belong to one area.
z
It is recommended to configure a description for each OSPF process to help identify purposes of
processes and for ease of management and memorization.
z
It is recommended to configure a description for each area to help identify purposes of areas and
for ease of management and memorization.
Configuring OSPF Areas
After splitting an OSPF AS into multiple areas, you can further configure some areas as stub areas or
NSSA areas as needed.
If connectivity between the backbone and a non-backbone area or within the backbone itself cannot be
achieved, you can configure virtual links to solve it.
Prerequisites
Before configuring an OSPF area, you have configured:
z
IP addresses for interfaces, making neighboring nodes accessible with each other at the network
layer.
z
OSPF basic functions.