[cisco-voip] phones getting IP from data VLAN

[lelio at uoguelph.ca]

it's been happening quite frequently as of late.


Quoting Jonathan Charles <jonvoip at gmail.com>:

> I have only seen this with 7935/36s... And that makes sense because
> they aren't made by Cisco.
>
> I have never seen this with a Selsius phone.
>
>
>
> Jonathan
>
> On Nov 24, 2007 1:53 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>>
>>
>> Are these newly deployed phones? There was (and still is likely) an issue
>> with phones out of the box that need to be put on the voice vlan directly in
>> order to get the ball rolling. People have said the TAC told them the same
>> thing.
>>
>> I ran into this and once the initial upgrade happened, things were fine.
>>
>>
>>
>> ----- Original Message -----
>> From: Curt Shaffer
>> To: cisco-voip at puck.nether.net
>> Sent: Saturday, November 24, 2007 2:46 PM
>> Subject: [cisco-voip] phones getting IP from data VLAN
>>
>>
>>
>>
>> I have a series of phones on the network that seem to keep getting an IP
>> from the data VLAN DHCP server. All of my switch ports are configured the
>> same. It's just some work and some don't. I have searched docs and the web
>> about this and found that there are some issues with older firmware but the
>> thing is that I have phones that did this at first and work fine now and
>> some phones worked fine at first and now do this. It's really quite odd. Has
>> anyone seen such an issue or got any advice? I'm not onsite so I can't
>> easily span the port and grab a capture today. DCHP is coming from the CME
>> router just FYI.
>>
>>
>>
>> Here are the specs:
>>
>>
>>
>> Phone models:
>>
>>
>>
>> 7940 and 7960
>>
>>
>>
>> Version :
>>
>> P0030301MFG2
>>
>>
>>
>> Switch IOS (x2):
>>
>>
>>
>> Cisco IOS Software, C3560 Software (C3560-IPBASE-M), Version 12.2(35)SE5,
>> RELEASE SOFTWARE (fc1)
>>
>>
>>
>> Router IOS:
>>
>>
>>
>> Cisco IOS Software, 2800 Software (C2800NM-SPSERVICESK9-M), Version
>> 12.4(15)T1,RELEASE SOFTWARE (fc2)
>>
>>
>>
>> Thanks
>>
>>
>>
>> Curt
>>
>>  ________________________________
>>
>>
>>
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>