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b. Current voice VLAN information
Configuration guidelines
When configuring the voice VLAN function, follow these guidelines:
To remove a VLAN functioning as a voice VLAN, disable its voice VLAN function first.
In automatic voice VLAN assignment mode, a hybrid port can process only tagged voice traffic.
However, the protocol-based VLAN function requires hybrid ports to process untagged traffic.
Therefore, if a VLAN is configured as the voice VLAN and a protocol-based VLAN at the same time,
the protocol-based VLAN cannot be associated with the port.
Only one VLAN is supported and only one existing static VLAN can be configured as the voice VLAN.
If Link Aggregation Control Protocol (LACP) is enabled on a port, the voice VLAN function cannot be
enabled on it.
After you assign a port working in manual voice VLAN assignment mode to the voice VLAN, the voice
VLAN takes effect.
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