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-   -   No Data From AVAYA IP Phones (http://support.avaya.com/forums/showthread.php?t=4087)

dlake 01-08-2014 04:34 AM

No Data From AVAYA IP Phones
Hi Everyone,

I have just encountered the weirdest problem at a customer and was wondering if you could be of any assistance.

The network utilizes AVAYA 3526 Switches, IP Office and a mix of 1608 and 9608 telephones. About a week ago we started having complaints of some users not being able to access any network resources (They could not ping anything on the network). These users were connected to the backs of their telephones and if I was to reset this connection (Unplug and plug back in) everything works but it would go down again after about 30 minutes.

If I remove the telephone and have them plugged straight into the switch they work just fine with no drops. The telephone also works and there are no drops in its connection back to the pbx. I have already tried changing the telephone to see if that would fix the problem but it has not.

Any ideas of what may be causing this or how to fix?

asif4 01-10-2014 11:20 AM

Could be related to port based security as the phones work fine for 30 minutes on reset.

rameshng 01-12-2014 11:24 PM

It looks like your configuration is fine, as it works for sometime.
the telephony vlan should be tagged and data vlan should be untagged in the switch.
Have you configured any security?

dlake 01-13-2014 06:38 PM

There is no security configured.

rameshng 01-19-2014 08:13 PM

Hope you have a checked by replacing the phone, to eliminate the specific phone issue.

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