Avaya Configuring IP Services Manuel d'utilisateur Page 247

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Customizing OSPF Services
303528-A Rev 00
7-53
Using Site Manager
Configuring a Stub Area
A stub area does not import ASEs and may or may not import internal route
summaries. In place of routes to destinations outside the stub, a border router
connected to a stub injects a default route advertisement. When an internal router
encounters a datagram addressed to a destination outside the stub, the router
forwards it to the border router specified in the default route advertisement.
Assume, for example, that the stub area in Figure 7-1
on page 7-5 has been
configured to import no internal or external routing information. border router 8
receives ASEs and internal summaries from its interface to the backbone.
However, border router 8 does not forward the ASEs or summaries to the stub.
Instead, it injects a default route that internal routers use to forward datagrams to
destinations beyond the stub.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
OSPF
. The OSPF menu opens.
4. Choose
Areas
. The OSPF Areas window opens.
5. Click on the area for which you want to
define a range.
The parameter values for that area
appear in the OSPF Areas window.
6. Click on
Ranges
. The OSPF Ranges window opens.
7. Click on
Add
. The OSPF Range Area window opens.
8. Set the following parameters:
•Range Net
Range Mask
Click on
Help
or see the parameter
descriptions beginning on page A-83.
9. Click on
OK
. Site Manager returns you to the OSFP
Ranges window.
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