From: Howard C. Berkowitz (hcb@gettcomm.com)
Date: Wed Nov 19 2003 - 18:23:54 GMT-3
At 10:43 AM -0500 11/19/03, Danny.Andaluz@triaton-na.com wrote:
>Hey, Group. Does anyone know of a way to filter specific LSA from leaving
>or coming into a router. I'm having an issue in our production network. I
>know you can do the "database-filter-all out" and the "neighbor
>database-filter", but it blocks everything. I'm looking for something
>similar to what EIGRP can do with dist-lists. I can do a distribute-list in
>and keep it from being installed in the routing table of the router and this
>works fine, but the LSA still comes in and gets sent downstream to other
>neighbors. Any ideas?
>
I'd ask immediately "what issue are you having in the production network?"
If you think you are having a problem with router performance due to
too many LSAs, the proper solution may be to split up your areas or
use routers with faster processors.
If you are trying to hide the existence of a specific subnet, OSPF
simply isn't designed to do that. When I have to do that sort of
thing, or to specify a special traffic-engineered preferred paths, I
normally use static routes in addition to OSPF. Such static routes
are never redistributed into OSPF, being filtered out during
redistribution if other static routes do need to be given to OSPF.
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