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How to pass DHCP requests for Nortel IP Phones behind NACThe process for a Nortel IP phone to connect to the Nortel IP PBX requires two steps. First the phone makes a DHCP request on the native or DATA VLAN and the DHCP offer provides the VOIP VLAN...
Hi Victor,For this to work... You have to add an SVI for the voice VLAN on the switch behind the router and then add the IP helper on the new voice VLAN interface.-Hassan
