Catalyst 3750 InterVlan routing Performance

egemen1981 · ‎10-20-2011

We are using port based vlan configuration, for every building we are using one vlan. Each Building contains approximetely 100 employees. But the routing performance between vlans are poor. Because of performance problem, ms outlook is repeatedly giving "connection has lost" , "connection restored" messages.

How can i increase the routing performance?

Regards.

ranraju · ‎10-20-2011

Well this definitely requires some troubleshooting. I think you should open a TAC case and investigate this issue further. Have you done ping tests on your network, did you see ping drops or high latency in the pings? Is this is new setup. Or is it a working one, but now you are seeing a performance degradation?

Regards,

Ranganath

Joseph W. Doherty · ‎10-20-2011

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

Might not be the 3750s as where I'm at we see the same issue with MS Outlook/Exchange and we're running across 6500s. What else "shows" poor network performance?

egemen1981 · ‎10-20-2011

Everything was working fine, or we think so and we did not see any warning from exchange server. I am also monitoring the traffic, there is not so much traffic on vlan interface.

flokki123 · ‎10-21-2011

hi egemen,

do you also have clients located in the same vlan as the exchange server? if yes, do they also show the same problem?

what other traffic is also routed via this c3750?

as ranraju said before it would be a good thing to test the connectivity and the latency with pings.

regards,

florian