Avaya Configuring IP, ARP, RIP, and OSPF Services Manual de usuario Pagina 224

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Configuring IP, ARP, RARP, RIP, and OSPF Services
6-46
308627-14.00 Rev 00
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 1-6 on page 1-16 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 of the stub area use to
forward datagrams to destinations beyond the stub.
8. Set the following parameters:
•Range Net
Range Mask
Click on
Help
or see the parameter
descriptions beginning on page A-55.
9. Click on
OK
. You return to the OSPF Ranges window.
10. To change the default values for the range,
set one or more of the following
parameters:
•Enable
•Mask
Status
•Metric
Click on
Help
or see the parameter
descriptions beginning on page A-56.
11. Click on
Apply
, and then click on
Done
. You return to the Configuration Manager
window.
Site Manager Procedure
(continued)
You do this System responds
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