[cisco-voip] TCP ZeroWindow

[David Holman]

Does your CUCM have very high CPU utilization or is it unable to respond to
anything else during this period?  Tomcat unresponsive, etc?  Does this
affect only your phone?

On Fri, May 21, 2010 at 11:19 AM, Mauro Celli <mauro.celli at 2000net.it>wrote:

>  Hi,
>
> my remote cucm 6.1 ,sometimes send a TCP ZeroWindow packet and my phone
> stop responding for some times (30sec or 30mins) reboot and reconnect.
>
> If i check “remote device” in phone configuration no TCP ZeroWindow appear
> and phone work well.
>
> From another site all is ok.
>
> I have checked my line with download,flood etc.. and it’s ok, no lost
> packet…
>
> Why?
>
> Thans
>
>
>
> Cordiali saluti
>
> *Mauro Celli* (work in progress...)
>
> *Site:* www.2000net.it
>
> 13011 Borgosesia (VC) Italy
>
> Via XXV Aprile,41
>
> Tel.   0163.209111
>
> Fax.  0163 .209301
>
> Supporto tecnico: 0163 .209561
>
> *Email:* mauro.celli at 2000net.it
>
> [image: cid:image001.gif at 01CA32BF.F85A72E0]
>
>
>
>
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20100521/4cb233d7/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/gif
Size: 924 bytes
Desc: not available
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20100521/4cb233d7/attachment.gif>