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3Com Switch 7750 Series
Command Reference Guide – Extended VLAN Applications Chapter 1 Voice VLAN Configuration Commands
1-7
Use the
undo voice vlan mac-address
command to disable a MAC address from
being used to identify voice devices.
A switch can use up to 16 MAC addresses to identify voice devices, including the five
default OUI addresses (as listed in Table 1-2). When the number of MAC addresses
reaches 16, you will fail to add new MAC addresses.
Table 1-2
Default OUI addresses of a switch
Number
OUI addresses
Vendor
1 0003-6b00-0000
Cisco
phone
2
000f-e200-0000
H3C Aolynk phone
3 00d0-1e00-0000
Pingtel
phone
4 00e0-7500-0000
Polycom
phone
5 00e0-bb00-0000
3com
phone
Related command:
display voice vlan oui
.
Example
# Specify 00aa-bb00-0000 as an OUI address, with the description string being “ABC”.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] voice vlan mac-address 00aa-bb00-0000 mask ffff-ff00-0000 description
ABC
1.1.8 voice vlan mode
Syntax
voice vlan mode auto
undo voice vlan mode auto
View
Ethernet port view
Parameter
None
Description
Use the
voice vlan mode auto
command to configure an Ethernet port to operate in
the automatic voice VLAN mode.