3com 5500-ei pwr Installation Instruction

 

1-9 

Follow these steps to configure a voice VLAN to operate in manual voice VLAN assignment mode: 

Enter system view 

— 

Set an OUI address that can be identified 
by the voice VLAN 

voice vlan mac-address 
oui mask oui-mask 
[ description text ] 

Optional 

Without this address, 
the default OUI 
address is used. 

Enable the voice VLAN security mode 

Optional 

By default, the voice 
VLAN security mode is 
enabled. 

Set the voice VLAN aging timer 

voice vlan aging minutes 

Optional 

The default aging timer 
is 1,440 minutes. 

Enable the voice VLAN function globally 

voice vlan vlan-id enable 

Required 

Enter port view 

interface interface-type 
interface-number 

Required 

Enable voice VLAN on a port 

Required 

By default, voice VLAN 
is disabled on a port. 

Set the CoS precedence and DSCP 
precedence for voice traffic 

voice vlan qos { cos-value 
dscp-value | trust } 

Optional 

By default, voice VLAN 
sets the CoS 
precedence to 6 and 
DSCP precedence to 
46 for voice traffic 
automatically.  

Enable the voice VLAN legacy function on 
the port 

Optional 

By default, voice VLAN 
legacy is disabled.  

Set voice VLAN assignment mode on a 
port to manual 

Required 

The default voice 
VLAN assignment 
mode on a port is 
automatic. 

Quit to system view 

— 

Enter VLAN view 

vlan vlan-id 

Access 
port 

Add the port to the 
VLAN 

port interface-list 

Enter port view 

interface interface-type 
interface-num 

Add a 
port in 
manual 
voice 
VLAN 
assignm
ent 
mode to 
the 
voice 
VLAN 

Trunk or 
Hybrid 
port 

Add the port to the 
VLAN 

port trunk permit vlan 
vlan-id 

port hybrid vlan vlan-id 
{ tagged | untagged } 

Required 

By default, all the ports 
belong to VLAN 1.