I using 2 seperate router for 2 external connection and this is connected to one router which is connected to my LAN using firewall. The external link is MPLS and i am using OSPF.The first external connecting is configured as area 0 and second is area 1. Now my question is;
Will both the routers will pass route if a single process ID is used in the router which is connected to LAN.
How can i do a routing by make both areas as stand alone to each other.
The reason of seperated database is they both belongs to 2 higly secured area and i dont want this network to communicate with each other. How can i resctict one link to pass the routes to other. Is it good to have 2 seperated process ID.
I'm not sure I understand entirely what you are trying to achieve, but I would make your external links two seperate areas (as they are at the moment), but non-zero (e.g. 1 and 2). I would then have a backbone area (area 0) that connects the central router and your two external routers (and perhaps your firewall). In this case, your two external routers are ABRs.
Alternatively, you could put the links between your hub router and the external routers into the areas 1 and 2, and create a dummy area 0 on your hub router consisting of a loopback interface. Do you run OSPF between your firewall and the hub router? If so, that link would be area 0.
Either way, you can use inter-area filtering or area-range summarisations to determine how much information passes between your two external areas.
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