3com 5500-ei pwr Reference Guide

 

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<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] interface Ethernet 1/0/2 

[Sysname-Ethernet1/0/2] voice vlan enable 

undo voice vlan legacy 

Ethernet port view 

None 

Use the voice vlan legacy command to realize the communication between 3Com device and other 

vendors’ voice device by automatically adding the voice VLAN tag to the voice data coming from other 

vendors’ voice device.  

Use the undo voice vlan legacy command to disable the voice VLAN legacy function.  

By default, the voice VLAN legacy function is disabled. 

# Enable the voice VLAN legacy function on Ethernet1/0/1. 

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] interface Ethernet 1/0/1 

[Sysname-Ethernet1/0/1] voice vlan legacy 

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

undo voice vlan mac-address oui 

System view 

oui: Specify a MAC address, in the format of H-H-H. 

oui-mask: Specify a MAC address mask, made up of consecutive Fs and consecutive 0s. It specifies the 

matching length of the OUI address. When the switch receives a packet, it matches the bits in the 

source MAC address corresponding to the Fs against the OUI list.