Voice Vlan Security Enable - H3C S5120-EI Series Command Reference Manual

[Sysname] interface gigabitethernet 1/0/1
[Sysname-GigabitEthernet1/0/1] voice vlan qos trust

voice vlan security enable

Syntax
voice vlan security enable
undo voice vlan security enable
View
System view
Default level
2: System level
Parameters
None
Description
Use the voice vlan security enable command to enable voice VLAN security mode.
Use the undo voice vlan security enable command to disable voice VLAN security mode.
By default, voice VLAN security mode is disabled.
When you enable the security mode for a voice VLAN, only voice traffic can be transmitted in the voice
VLAN.
The device matches the source MAC addresses of the packets against the supported OUI addresses to
determine whether they are voice traffic and filters all non-voice traffic, guaranteeing high priority and
high quality for voice traffic.
When a voice VLAN operates in common mode, other service traffic is also allow to be transmitted in the
voice VLAN.
Examples
# Disable voice VLAN security mode.
<Sysname> system-view
[Sysname] undo voice vlan security enable
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