3com S7906E Manuel De Montage

 

4-7 

Access port 

. 

Trunk port 

Refer to 

. 

Assign the 
port in manual 
voice VLAN 
assignment 
mode to the 
voice VLAN 

Hybrid port 

. 

Use one of the three 
approaches. 

After you assign an access port 
to the voice VLAN, the voice 
VLAN becomes the default 
VLAN of the port automatically.

Trunk port 

Refer to section 

. 

Configure the 
voice VLAN 
as the default 
VLAN of the 
port 

Hybrid port 

. 

Optional 

This operation is required for 
untagged inbound voice traffic 
and prohibited for tagged 
inbound voice traffic. 

Enable voice VLAN on the port 

voice vlan vlan-id enable 

Required 

 

z 

You can configure different voice VLANs on different ports at the same time. However, one port 

can be configured with only one voice VLAN, and this voice VLAN must be a static VLAN that 

already exists on the device. 

z 

Voice VLAN cannot be enabled on a port with Link Aggregation Control Protocol (LACP) enabled.  

z 

To make voice VLAN take effect on a port that is enabled with voice VLAN and operates in manual 

voice VLAN assignment mode, you need to assign the port to the voice VLAN manually. 

 

Display the voice VLAN state 

Available in any view 

Display the OUI addresses 
currently supported by system 

Available in any view 

 

As shown in 

z 

The MAC address of IP phone A is 0011-1100-0001. The phone connects to a downstream device 

named PC A whose MAC address is 0022-1100-0002 and to GigabitEthernet 2/0/1 on an upstream 

device named Device A. 

z 

The MAC address of IP phone B is 0011-2200-0001. The phone connects to a downstream device 

named PC B whose MAC address is 0022-2200-0002 and to GigabitEthernet 2/0/2 on Device A.