R2511-HP MSR Router Series Layer 2 - LAN Switching Command Reference(V5)

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System view
Default command level
2: System level
Usage guidelines
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 data traffic is also transmitted in the voice VLAN.
Examples
# Disable voice VLAN security mode.
<Sysname> system-view
[Sysname] undo voice vlan security enable