[cisco-voip] phones getting IP from data VLAN

[Lelio Fulgenzi]

no - add the voice vlan to the port as if it were the data vlan, plug in the phone, let it do it's thing, then you can resort back to voice/data vlan config.

or rather than changing ports all over the switch, just bring the phones to a depot with the right config, let the phones upgrade, then redeploy.

your choice.

  ----- Original Message ----- 
  From: Curt Shaffer 
  To: 'Lelio Fulgenzi' ; cisco-voip at puck.nether.net 
  Sent: Saturday, November 24, 2007 3:20 PM
  Subject: RE: [cisco-voip] phones getting IP from data VLAN


  Yes they are right out of the box. When you are saying put them directly into the voice vlan you mean only adding switch port voice vlan xx on the switch port only?

   

  From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca] 
  Sent: Saturday, November 24, 2007 2:53 PM
  To: Curt Shaffer; cisco-voip at puck.nether.net
  Subject: Re: [cisco-voip] phones getting IP from data VLAN

   

  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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