"IP phone cannot get IP Address from Voice VLAN in PoE 3COM switch"
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This note is just highlighting the error, and how 3COM voice vlan work and its behavior. Future more info need to surf the internet.
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In order to get ip address for the IP phones. Voice VLAN need to be pre-configured add the MAC address of ip phone. If not ip phone will not get the ip address from Voice VLAN.
Below is the sample of pre-configured MAC address of ip phone.
First 6 digit is the batch of the Phone Model.
The last 6 digit need not to be configure. It can be vary. Will add dynamically.
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voice vlan mac-address d057-4c00-0000 mask ffff-ff00-0000 description Cisco IP Phone
voice vlan mac-address 0000-7300-0000 mask ffff-ff00-0000 description Avaya IP Pone 9640
Thank You.
Cheers! :)
Yan Linn Aung