Voip phones: 802.1x

Introduction

802.1x has been limited to one device per port, which has created problems for Voip phones.

The purpose of this page is to gather information and experience on the topic of authenticating a voip phone and the PC that might be attached to it, via 802.1x.

Aya

The Aya phones look interesting:
http://support.avaya.com/elmodocs2/security/802_1x-LLDP.pdf

Apparently you can do 802.1x for the phone and/or PC .. however:
" as of August 2006 only the following vendors are known to have released support for Multi Supplicant mode: Avaya, Extreme, Hewlett Packard (Pro Curve), and Cisco..."

Cisco

“The switch supports multidomain authentication (MDA), which allows both a data device and voice device, such as an IP phone (Cisco or non-Cisco), to authenticate on the same switch port. The port is divided into a data domain and a voice domain. “

Cisco switches like the 3560) support that
http://www.cisco.com/en/US/tech/tk389/tk814/technologies_configuration_e...
http://www.cisco.com/en/US/products/hw/switches/ps5528/products_configur...