Figure 40 Only IP phones access the network
Both modes forward tagged packets according to their tags.
Table 16
and
Table 17
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 16 Required configurations on ports of different links types for them to support tagged voice traffic
Voice VLAN
Port link type
assignment
mode
Automatic
Access
Manual
Automatic
Trunk
Manual
Automatic
Hybrid
Manual
IP phones send untagged voice traffic
•
When IP phones send untagged voice traffic, you can only configure the voice traffic receiving ports on
the router to operate in manual voice VLAN assignment mode.
list the required configurations on ports of different link types in order for these
Support for
tagged voice
traffic
No
Yes
Yes
121
Configuration requirements
—
Configure the default VLAN for the port, assign
the port to the default VLAN, and the default
VLAN of the port cannot be the voice VLAN.
Similar to the automatic mode. Additionally, you
must configure the port to permit packets of the
voice VLAN to pass through.
Configure the default VLAN for the port, and
configure the port to permit packets of the voice
VLAN to pass through untagged. The default
VLAN of the port cannot be the voice VLAN.
Similar to the automatic mode. Additionally, you
must configure the port to permit packets of the
voice VLAN to pass through tagged.