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Cisco Phone / 3com 5500 DHCP Problem

wrickk_2
Level 1
Level 1

Ok here is my problem. I had to install CCUM 6.X in a 3com (5500's) environment (ick) everything seems to be fine… except for DHCP to the phone. The weird thing is if I set the PVID to the voice VLAN and tag the port for the voice VLAN and plug my notebook into the port I get an address from the Novell (*cough) DHCP server that correlates to that voice VLAN. If I plug the Cisco phone into that same port and don't set the admin VLAN ID on the phone, the phone gets a business network IP address from DHCP. If I set the admin VLAN ID to the voice VLAN… the phone gets no IP address at all from DHCP.

If I manually set TFTP, IP, VLAN, etc the phones work fine, no communications issues with CCUM.

I have configured the DHCP relay and UDP Helper address on the core stack to point to the Novell server.

Any ideas?

2 Replies 2

wrickk_2
Level 1
Level 1

HELP?

Anyone?

Did you find a solution for this problem? Im having a very simular issue.

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