Configuring Ospf Area Attributes - H3C S7500 Series Operation Manual

Operation Manual – Routing Protocol
H3C S7500 Series Ethernet Switches
4.4.1 Configuration Prerequisites
Before configuring OSPF area attributes, perform the following tasks:
Configuring the network layer addresses of interfaces so that the adjacent nodes
are reachable to each other at the network layer
Performing basic OSPF configuration

4.4.2 Configuring OSPF Area Attributes

Follow these steps to configure OSPF area attributes:
Enter system view
Enter OSPF view
Enter OSPF area view
Configure the current area
to be a stub area
Configure an area to be
an NSSA area
Configure the cost of the
default route transmitted
by OSPF to a stub or
NSSA area
Create and configure a
virtual link
To do...
system-view
ospf [ process-id
[ router-id router-id ] ]
area area-id
stub [ no-summary ]
nssa
[ default-route-advertise
| no-import-route |
no-summary ]*
default-cost cost
vlink-peer router-id
[ hello seconds |
retransmit seconds |
trans-delay seconds |
dead seconds | simple
password | md5 keyid
key ]*
Use the command...
4-12
Chapter 4 OSPF Configuration
Remarks
—
—
—
Optional
By default, no area is
configured as a stub area.
Optional
By default, no area is
configured as an NSSA
area.
Optional
This can be configured on
an ABR only. By default,
the cost of the default
route to a stub or NSSA
area is 1.
Optional
For a virtual link to take
effect, you need to use
this command at both
ends of the virtual link and
ensure consistent
configurations of the
hello, dead, and other
parameters at both ends.