Rafi Sadowsky <rafi@meron.openu.ac.il> wrote:
> On Wed, 8 Dec 1999, Martin Cooper wrote:
>
> > Niels Bakker <niels@euro.net> wrote:
> >
> > > If you're not running CEF, isn't that the case only for packets
> > > that don't get fast-switched, i.e. all except the first one in
> > > a flow?
>
> thats the way it works with netflow - if I rember correctly this thread
> started about CPU usage a 2601
Even under Netflow the first packet still gets fast-switched if
a route-cache entry exists - so no ICMP redirect would be sent,
but in any case, I wouldn't be surprised if most hosts timeout
redirects after a while anyway (Solaris appears to do so after
about 45 seconds), so only sending one redirect per flow would
be fairly pointless anyway unless the flows were very short
lived.
M.
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