[c-nsp] Filtering /24s

[Scott Granados]

As long as you have default routes it should work.

You'll not have as fine grain of control as well but for that type of
config it shouldn't make a big difference.


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Greg Boehnlein
Sent: Wednesday, March 15, 2006 4:30 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Filtering /24s

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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