7921G phones get DHCP Server IP

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Feb 13th, 2009
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My wireless phone stopped working suddenly and when i check phone settings, the dhcp server address changed to and all other settings remain same. We have ip helper pointing on the switch pointing to external DHCP server.. Thanks

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SJessulat_2 Mon, 02/16/2009 - 00:00
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the IP-Adress usually belongs to the WLC. If you have the APs connected to a WLC, the IP-Adress shown as DHCP-Server on your clients will be

This is ok, as long as you enter the IP-Adress of your real DHCP-Server on the WLC's interface (Controller->Interfaces->'YourClientNetwork').



migilles Fri, 02/20/2009 - 18:46
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Yes the server address is modified by the WLC and it uses the virtual interface IP.


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