H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 117)

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assigned to a voice VLAN transmit voice traffic exclusively, which prevents the impact of data traffic
on the transmission of voice traffic.
Figure 32 Only IP phones access the network
Both modes forward tagged packets according to their tags.
Table 15 and Table 16 list the required configurations on ports of different link types in order for these
ports to support tagged or untagged voice traffic sent from IP phones when different voice VLAN
assignment modes are configured.
• IP phones send tagged voice traffic
Table 15 Required configurations on ports of different links types for them to support tagged voice
traffic
Port link type
Voice VLAN
assignment
mode
Support for
tagged voice
traffic
Configuration requirements
Access
Automatic
No —
Manual
Trunk
Automatic
Yes
The PVID of the port cannot be the voice VLAN.
Manual
The PVID of the port cannot be the voice VLAN.
Configure the port to permit packets of the voice
VLAN to pass through.
Hybrid
Automatic
Yes
The PVID of the port cannot be the voice VLAN.
Manual
The PVID of the port cannot be the voice VLAN.
Configure the port to permit packets of the voice
VLAN to pass through tagged.
• IP phones send untagged voice traffic
When IP phones send untagged voice traffic, you can only configure the voice traffic receiving ports on
the device to operate in manual voice VLAN assignment mode.
Table 16 Required configurations on ports of different links types for them to support tagged voice
traffic
Port link type
Voice VLAN
assignment
mode
Support for
untagged voice
traffic
Configuration requirements
Access Automatic No —