Ok, so now we can IPX ping all over the place. So now the customer says his
workstation can log on to the single server across the WAN, but that
response time is hideous. As in 1200 baud hideous.
So I ran a few tests here in my own lab, once again mimicking the customer
network.
R1------internet--------R3--------ethernet--------R4--------p2p--------R7---
----p2p--------R8
|-------ipsec tunnel--|
ping tests from R1 to R8, both IP and IPX. Check out these results:
500 pings each test
1000 byte payload 500 byte payload 1500 byte payload
IP 41 ms 24 ms 59 ms
IPX 220 ms 127 ms 330 ms
whoa, Nellie!!!! look at the latency that the IPSec tunnel appears to add!
this certainly goes a long way towards explaining the slow IPX response
across this WAN VPN.
well, folks, it would appear that I have one more ocean to cross to get this
customer happy. Cisco is talking about eliminating IPX RIP routing and
replacing it with an IPX static route. Don't have time to fool with this any
more tonight. More after some sleep and another day at work.
but it is interesting.
Chuck
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