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IPSec Latency
Hi All,
I was wondering if anyone has any information or sites
which talk about how to tweak (if this can be done)
IPSec tunnls (via keepalives) from a dial up client to
a VPN5008?
We have a latency of around 800 milliseconds on a
network and we are trying to determine what the
maximum delay can be in the network to keep the tunnel
up via keepalives. How long can the delay be for the
keepalives and who sends the keepalives or are the
keepalives sent in both directions via remote dial up
access. (we are using static routes)
I know that a keepalive protocol is used by L2TP in
order to allow it to distinguish between a tunnel
outage and prolonged periods of tunnel inactivity. We
are trying to find out if this can be done for IPSec.
We have a open case with cisco tac currently to get
more details and have been looking at third party web
sites and RFCs. Can't find anything about latency but
have found performance issues concerning bw, memory
etc.
Any information or sites you can direct me to would be
great.
Thanks!!
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