Avaya Configuring IP, ARP, RARP, RIP, and OSPF Services Manuel d'utilisateur Page 245

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Customizing OSPF Services
308627-14.20 Rev 00
6-61
To configure a virtual link to the backbone:
1.
Identify the transit area that supports the virtual link.
2. Verify that the transit area is configured to import AS external link state
advertisements.
BCC: Set the
area-type
parameter to
non-stub
.
Site Manager: Set the Import AS Extern parameter to Import External.
3. Identify the router ID of the OSPF neighbor at the other end of the
virtual link.
After you create the virtual link, you can:
Enable and disable the virtual link.
Specify a transit delay, a retransmit interval, a Hello interval, and a dead
interval for the link.
Specify an authentication key (password).
Using the BCC
To configure an OSPF virtual link to the backbone, go to the area prompt for the
transit area (for example,
box; ip; ospf; area/1.1.1.1
) and enter:
virtual-link
<ip_address>
ip_address
is the router ID of the area border router that is physically connected to
the backbone.
For example, the following command configures an OSPF virtual link over transit
area 1.1.1.1:
area/1.1.1.1#
virtual-link 192.32.28.17
virtual-link/1.1.1.1/192.32.28.17#
The following command sequence configures multiple OSPF virtual interfaces
over transit areas 1.1.1.1 and 2.2.2.2:
area/1.1.1.1#
virtual-link 192.32.28.17
virtual-link/1.1.1.1/192.32.28.17#
back
area/1.1.1.1#
virtual-link 36.3.4.5
virtual-link/1.1.1.1/36.3.4.5#
back
area/1.1.1.1#
area 2.2.2.2
area/2.2.2.2#
virtual-link 36.3.2.1
virtual-link/2.2.2.2/36.3.2.1#
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