[j-nsp] SRX 3600 dropped packets - how to debug?

Phil Mayers p.mayers at imperial.ac.uk
Tue May 28 09:59:40 EDT 2013


On 28/05/13 14:51, OBrien, Will wrote:
> The primary use of the dns alg is to reduce session count. This is
> very apparent on net screens. I reduced 500k sessions down to 400k by
> turning it on. That said, you can achieve similar results by setting
> dns specific policies with short timeouts.

Out of interest, how short a timeout have you experimented with?

We set our Netscreen 5400s to 10 seconds at one point, but the extra 
session table use was still considerable by comparison with an 
ALG-enabled setup.


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