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6.4

1140e DHCP Request for Voice Vlan

Asked by mfitzy24 in Voice Over IP, Dynamic Host Configuration Protocol (DHCP)

Tags: Nortel, Ip Phone 1140e, 1140e

I am trying to get an 1140e phone to request an address other then the default vlan from a Windows 2003 DHCP server. I have setup option 191 for the Vlan info as well as 128 for the phone switch info on the DHCP server. I have a packet capture, and the phone requests an IP and appropriate options. The DHCP server then sends back all pertinent info and an IP, and the phone then sends a second request. The problem comes in when rather then tagging it's second request with the new vlan info, the phone send another  un-tagged request and adds in Option 50 essentially asking the DHCP server if it can keep the IP the server originally gave it.

Any ideas are much appreciated.
[+][-]03/22/08 10:06 AM, ID: 21186952Accepted Solution

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About this solution

Zones: Voice Over IP, Dynamic Host Configuration Protocol (DHCP)
Tags: Nortel, Ip Phone 1140e, 1140e
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Solution Provided By: mfitzy24
Participating Experts: 2
Solution Grade: A
 
 
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