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Posted on 2016-08-03
Medium Priority
Last Modified: 2016-11-03
I have the attached OSPF Design. There is Area 0 (Backbone) & there is AREA 10 which is NSSA. I have the subnet in this area. I have been exhausted with the existing subnet & I would require to use another subnet say
The OSPF is established between the L3 Switches & the Routers using IP from the subnet.

I would like to know is it possible to use another subnet in the same NSSA Area (Area 10)
If possible should i need to have another OSPF neig between the L3 switches & the routers from the subnet

Request your inputs.OSPF.png
Question by:SrikantRajeev
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LVL 14

Accepted Solution

SIM50 earned 2000 total points (awarded by participants)
ID: 41742444
First of all, why are you using NSSA instead of just stub? Are you importing any routes into Area 0 from  Area 10?

You can have more than one network per area, just try to summarize properly at ABR.

Author Comment

ID: 41746616
No I am not importing any routes into Area 0. The reason why I am using NSSA instead of just Stub is due to the existing restriction I have at present.
Ok got your point . I can have additional network per area.
LVL 14

Expert Comment

ID: 41772807
OSPF areas are not limited to one network.

Author Comment

ID: 41873370
In the above scenario how can i insert the network into the existing NSSA Area.
Can i have the same area for this network or should i use different area for this new network.

Is it recommended to use static route or use OSPF only.

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