[c-nsp] Replacment for 3640 + NBAR

Rodney Dunn rodunn at cisco.com
Wed Aug 25 09:22:07 EDT 2004


On Wed, Aug 25, 2004 at 09:39:11AM +1000, Virgil wrote:
> 
> > you're looking at a 4x increase in traffic soon, I think the G1 (or G2
> > coming out in the near future) would stand up better against a DOS.
> 
> Just don't enable NBAR unless you have a "fixed" version of IOS.
> See CSCec27338 for more details.

Also if you are doing NBAR on a 75xx make sure you have the fix
for: 

CSCec23982
Externally found severe defect: Resolved (R)
Packet fragmentation causes high CPU at interrupt level with NBAR

It's a similar type of issue caused by fragmentation.

Rodney


> 
> Regards,
> 
> Virgil
> 
> -- 
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