[c-nsp] Filtering /24s
Greg Boehnlein
damin at nacs.net
Wed Mar 15 19:29:39 EST 2006
Hello,
We are looking at some strategies to reduce the load on our core
routers by filtering all routes that are /24 or smaller. The number of /24
routes that have propogated in the recent couple of years seems enormous
to me, and we are starting to hit the limits of the RSP-2 cards in our
7500s. Short of chucking the Cisco gear and replacing w/ something that
can handle a larger table, it seems reasonable to me that we could
probably reduce the total number of routes significantly if we just
dropped all the /24s on the floor and let our upstreams handle the routing
for us.
Am I nuts?
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