Avaya Configuring IP, ARP, RIP, and OSPF Services Manual de usuario Pagina 228

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Configuring IP, ARP, RARP, RIP, and OSPF Services
6-50
308627-14.00 Rev 00
Configuring an NSSA Address Range
To implement an NSSA, you must configure at least one type 7 address range for
summarization and filtering in the translation of type 7 LSAs to type 5 LSAs.
Each type 7 address range consists of an address/mask pair representing multiple
external networks. The NSSA border router checks for configured type 7 address
ranges and then originates a single type 5 LSA for each range. If a network is not
contained in any configured address range, type 7 LSAs are translated to type 5
LSAs directly and flooded to all non-stub areas.
Using the BCC
To configure an address range for an NSSA, navigate to the area prompt (for
example,
box; ip; ospf; area/0.0.0.2
) and enter:
nssa-range
<network>/<mask>
network
and
mask
together specify all networks that belong to the NSSA address
range. The range mask is not restricted to the natural address class mask.
4. Choose
Areas
. The OSPF Areas window opens.
5. Click on the area that you want to edit. The parameter values for that area
appear in the OSPF Areas window.
6. Set the following parameters:
Import AS Extern
NSSA Translate
NSSA Originate Def Route
NSSA Propagate Def Route
NSSA Def Route Type
Stub Default Metric
Import Summaries
Click on
Help
or see the parameter
descriptions beginning on page A-52.
7. 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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