Configuring the Articulation VLAN
By default, the articulation VLAN affection is disabled, and you accredit it by application the interface command
switchport articulation vlan. Back the articulation VLAN affection is enabled, all untagged traffic
is beatific according to the absence CoS antecedence of the port. The CoS amount is not trusted for IEEE
802.1p or IEEE 802.1Q tagged traffic.
These are the articulation VLAN agreement guidelines:
You should configure articulation VLAN on about-face admission ports; articulation VLAN isn’t accurate on
trunk ports, alike admitting you can absolutely configure it!
The articulation VLAN should be present and alive on the about-face for the Cisco IP Phone to correctly
communicate on it. Use the appearance vlan advantaged exec command to see whether the
VLAN is present—if it is, it’ll be listed in the display.
Before you accredit the articulation VLAN, it’s acclaim you accredit QoS on the about-face by
entering the mls qos all-around agreement command and set the anchorage assurance accompaniment to trust
by entering the mls qos assurance cos interface agreement command.
You charge accomplish abiding that CDP is enabled on the about-face anchorage affiliated to the Cisco IP
Phone to accelerate the configuration. This is on by default, so unless you disabled it, you
shouldn’t accept a problem.
The PortFast affection is automatically enabled back the articulation VLAN is configured, but
when you attenuate the articulation VLAN, the PortFast affection isn’t automatically disabled.
To acknowledgment the anchorage to its absence setting, use the no switchport articulation vlan interface
configuration command.
Here in Table 6.10 are the commands you need: