3com 5500-ei pwr Guia De Referência

 

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# Modify the CoS precedence and the DSCP precedence marked for voice VLAN traffic passing 

through Ethernet 1/0/1 to 5 and 40 respectively.  

<Sysname> system-view 

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

[Sysname] interface Ethernet 1/0/1 

[Sysname-Ethernet1/0/1] voice vlan qos 5 40 

undo voice vlan security enable 

System view 

None 

Use the voice vlan security enable command to enable the voice VLAN security mode.  

Use the undo voice vlan security enable command to disable the voice VLAN security mode.  

In security mode, the ports in a voice VLAN and with voice devices attached to can only forward voice 

data. Data packets with their MAC addresses not among the OUI addresses that can be identified by 

the system will be filtered out. This mode has no effects on other VLANs. 

By default, the voice VLAN security mode is enabled. 

Related commands: display voice vlan status. 

# Disable the voice VLAN security mode. 

<Sysname> system-view 

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

[Sysname] undo voice vlan security enable