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Anonymous Voice VLAN Access

I was looking for any input on workarounds for the following security notices

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_security_notice09186a008048e0d6.html

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Re: Anonymous Voice VLAN Access

Workarounds and Mitigations

Customers running newer versions of software on their Cisco Catalyst switches can take advantage of a number of features which can aid in limiting what a device can do while on the network. These features include, but are not limited to, DHCP Snooping and Port Security, Dynamic ARP Inspection (DAI) and IP Source Guard.

(taken from cco documentation)

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