Re: OSPF in ethernet L2 WAN w dual router and unequal bandwidth
Thanks for your answer. So this is more the approach that i mentioned in my drawing #2 (working with a primary cloud and a backup cloud).
This would decrease the number of neighbors in each cloud which would ne nice.
But: If the primary link in the Headquarter fails, how do i prevent a remote site becoming a transit site, routing between the primary and backup cloud.
As i mentioned, the route filtering capabilities in ospf are very limited.
One solution might be to have 2 routers at the remote site, each of them announces the remote campus lan into the backbone, but i do not exchange ospf information b-e-t-w-e-e-n the two remote site routers on their campus lan.
That would work with 2 routers at the remote site i guess, but what if i have only one router at a remote site with 2 uplinks to the core.
How can i prevent a remote site becoming a transit site if the HQ primary link fails..
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