[cisco-voip] phones getting IP from data VLAN

Jonathan Charles jonvoip at gmail.com
Sat Nov 24 16:44:13 EST 2007


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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>
>
>
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