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802.1x and IP Phone

mistryj
Level 1
Level 1

Is it possible to enable dot1x and voice on the same interface? If so which switches and IOS support this feature ?

Any references to documents ?

Commands that cannot be configured together :-

switch voice vlan xxx

dot1x port-control auto

1 Accepted Solution

Accepted Solutions

jafrazie
Cisco Employee
Cisco Employee

It is possible to enable 802.1X and voice on the same port. If the phone does CDP, it is allowed through, regardless of the 802.1X state of the port with this config. Here's the following switches that support this, with the minimum required releases:

CatOS (6500) - 7.6(1)

IOS (4500) - 12.1(20)EWA

IOS (3750) - 12.2(25)SEA

IOS (3560) - 12.2(25)SEA

IOS (3550) - 12.1(12c)EA1

IOS (2960) - 12.2(25)FX

IOS (2950) - 12.1(12c)EA1

IOS (2940) - 12.1(13)AY

Hope this helps,

View solution in original post

1 Reply 1

jafrazie
Cisco Employee
Cisco Employee

It is possible to enable 802.1X and voice on the same port. If the phone does CDP, it is allowed through, regardless of the 802.1X state of the port with this config. Here's the following switches that support this, with the minimum required releases:

CatOS (6500) - 7.6(1)

IOS (4500) - 12.1(20)EWA

IOS (3750) - 12.2(25)SEA

IOS (3560) - 12.2(25)SEA

IOS (3550) - 12.1(12c)EA1

IOS (2960) - 12.2(25)FX

IOS (2950) - 12.1(12c)EA1

IOS (2940) - 12.1(13)AY

Hope this helps,

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