[cisco-voip] Switch Upgrade causing fits!

[Schmelkin, Richard]

Hey Todd,

 

I have installed 100's of the 3560 PoE switches.

 

They usually work fantastic.

 

I would recommend based on my experience that you should speed lock the
port speed and duplex of the switchports that are connecting to your
servers to the desired rate. Then make sure that you speed lock the nic
card in the server to match your switchport configuration for the
connecting port.

 

IP phones I never speed lock them. I let them auto-negotiate their speed
and duplex from the switchport.

 

I have 1000's of phones deployed that way and never had phones falling
off the network that was not a result of another issue besides a
speed/duplex mismatch.

 

Post your switch config so we can see it. Maybe we can spot something in
it.

 

Rich

 

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Todd Franklin
Sent: Saturday, July 15, 2006 1:27 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Switch Upgrade causing fits!

 

We were using a CE500 at our Altrim site, but when we added more people,
we bumped to a 3560.  Our server constantly seems to lose connection
with the unit!  (Yet, according to port counters, no errors are seen).
(we went for 4 users with phone and data, to 12 users with phone and
data.  all 7940s) 

Has anyone seen this?  I have had people say "DON'T set the port speed
on both the server AND the switch, but DO set it on one of them."  

Is the 3560 less forgiving??  I'll take any hints at all, so I won't
have to be here all weekend long!! 





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