[cisco-voip] trying to setup dhcp scope for iphones on dc

[Ryan Ratliff]

Do you see reservations being allocated for the phones on the DHCP  
server?  If not then the requests are probably not making it to the  
server or the server doesn't like something about them.  If you see  
the reservations on the server then my guess is the response is not  
making it to the phone.

-Ryan

On Mar 27, 2006, at 11:30 AM, Mike Armstrong wrote:

We have IP helper-addresses configured on the VoIP VLAN interface on our
core 3550 switch; we used to use a router but it was configured in  
the same
way.

interface Vlan102
  ip address 10.251.10.3 255.255.254.0
  ip helper-address 10.230.48.200
  ip helper-address 10.230.48.199

The DCs are the DHCP servers, serving split DHCP scopes.  I'm pretty  
sure I
can't paste a screenshot of the Windows config into a message for  
this list,
but I'll send you a private e-mail with it in it.

Mike Armstrong
UF/IFAS CREC
Lake Alfred, FL

> Date: Sun, 26 Mar 2006 22:16:16 -0500
> From: "James Grace" <jgrace at digitelusa.net>
> Subject: [cisco-voip] trying to setup dhcp scope for iphones on dc
> To: <cisco-voip at puck.nether.net>
> Message-ID: <200603262224203.SM01568 at 3729434770>
> Content-Type: text/plain; charset="us-ascii"
>
> Is there trick to get the ip phone to grab a ip address from the dhcp
> server.  We have a dc which is a dhcp server for our data.  And we are
> configuring another scope for the ip phones.  But phones are not  
> grabing a
> ip.  We have the ip helper config under the voice vlan int.   what  
> else
> are
> we missing.
>
>
>
> James D. Grace
>
> CCNP CCNA MCSE MCDBA
>
> Sr. System Engineer / Professional Svc.
>
> Digitel Corporation

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