[c-nsp] ip virtual-reassembly

[Dave Temkin]

OK.

Does my testing jive with reality?  15% performance hit with it enabled?

Thanks,
-Dave

On Mon, 24 Oct 2005, Rodney Dunn wrote:

> It is required by NAT for protocols that require ALG translations
> such as SIP.
>
> There was a bug filed to have it disabled if none of the features
> requiring it were enabled.
>
> I can't find it at the moment.
>
> Rodney
>
> On Mon, Oct 24, 2005 at 11:35:56AM -0400, Dave Temkin wrote:
> > Is anyone aware why this was added in more recent (12.3T) IOS versions?
> > Was this a feature that was enabled behind the scenes before and they just
> > added a command for it, or is it new functionality?  It now gets put on an
> > interface that you place "ip nat inside" or ""outside"  on
> >
> >
> > All of the documentation I can find makes it sound like you only need it
> > if you're doing NAT and CBAC or IOS Firewall together, and not just NAT by
> > itself.  I see it causing about a 15% performance hit if I leave it
> > enabled.
> >
> > Thanks,
> > -Dave
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