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Catalyst 6500 Series Switch Command Reference—Release 8.4
OL-6244-01
Chapter 2 Catalyst 6500 Series Switch and ROM Monitor Commands
set port auxiliaryvlan
The presence of an IP phone is determined through CDP packet exchange between the switch and the
phone. This detection method is used for both inline-powered IP phones and wall-powered IP phones.
If the auxiliary VLAN ID equals the port-VLAN ID or when the auxiliary VLAN ID is configured as none,
dot1p, or untagged, this feature cannot be applied to the port. If any command entry results in the auxiliary
VLAN ID equaling the port-VLAN ID, the feature is disabled and the following warning message is
displayed:
cdpverify feature on port mod/port is disabled.
Examples This example shows how to set the auxiliary VLAN port to untagged:
Console> (enable) set port auxiliaryvlan 5/7 untagged
Port 5/7 allows the connected device send and receive untagged packets and
without 802.1p priority.
Console> (enable)
This example shows how to set the auxiliary VLAN port to dot1p:
Console> (enable) set port auxiliaryvlan 5/9 dot1p
Port 5/9 allows the connected device send and receive packets with 802.1p priority.
Console> (enable)
This example shows how to set the auxiliary VLAN port to none:
Console> (enable) set port auxiliaryvlan 5/12 none
Port 5/12 will not allow sending CDP packets with AuxiliaryVLAN information.
Console> (enable)
This example shows how to set the auxiliary VLAN port to a specific module, port, and VLAN:
Console> (enable) set port auxiliaryvlan 2/1-3 222
Auxiliaryvlan 222 configuration successful.
AuxiliaryVlan AuxVlanStatus Mod/Ports
------------- ------------- -------------------------
222 active 1/2,2/1-3
Console> (enable)
Related Commands show port auxiliaryvlan