Voice Vlan Mac-Address - 3Com Switch 4500 Family Manual

Parameters
None
Description
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.
Examples
# 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

Syntax
voice vlan mac-address oui mask oui-mask [ description text ]
undo voice vlan mac-address oui
View
System view
Parameters
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.
text: Description of the MAC address, containing 1 to 30 characters.
Description
Use the voice vlan mac-address command to add an OUI entry to the OUI list for the specified MAC
address. The OUI list contains the MAC addresses of recognizable voice devices. A packet is
considered as a voice packet only when its source MAC address can match an entry in the OUI list.
Use the undo voice vlan mac-address command to remove an OUI entry from the OUI list.
By default, the OUI list contains the five pre-defined OUI addresses in
with the voice vlan mac-address command.
The OUI list can contain up to 16 OUI address entries.
1-7
Table 1-2. You can modify them