Friday, February 28, 2014

How a phone choose the voice vlan ?

Just by listening the CDP announce coming from the switch:

2 comments:

  1. without forgetting LLDP and LLDP-MED mister Rodrigo ;-)
    available for most manufacture as alcatel, siemens, to assign network policy for voice vlan. I'm working for to my assignment...

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    Replies
    1. You're right. Recently, I was working on a voice deployment on HP switchs and Cisco Phone. HP procurve can understand CDP but don't send CDP packets. I had to enable LLDP. Cisco IP phone are able to also understand LLDP.

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