158 
After associate MAC addresses with a VLAN, if you specifies the 802.1p priority value corresponding to 
the specified MAC address, you still need to use the qos trust dot1p command in interface view to 
configure the interface to use the 802.1p priority in incoming packets for priority mapping. For details 
about this command, see the ACL and QoS Command Reference. 
Examples 
# Associate a single MAC address 0-1-1 with VLAN 100 and 802.1p priority 7.  
<Sysname> system-view 
[Sysname] mac-vlan mac-address 0-1-1 vlan 100 priority 7 
# Associate the MAC addresses with the high-order six hexadecimal digits being 111122  wi t h  V L A N  10 0  
and 802.1p priority 4.  
<Sysname> system-view 
[Sysname] mac-vlan mac-address 1111-2222-3333 mask ffff-ff00-0000 vlan 100 priority 4 
mac-vlan trigger enable 
Syntax 
mac-vlan trigger enable 
undo mac-vlan trigger enable 
View 
Layer 2 Ethernet port view 
Default level 
2: System level 
Parameters 
None 
Description 
Use the mac-vlan trigger enable command to enable MAC-based dynamic port assignment. The port 
configured with this command will be dynamically assigned to VLANs based on the source MAC 
addresses of the received packets.  
Use the undo mac-vlan trigger enable command to restore the default.  
By default, MAC-based dynamic port assignment is not enabled.  
After receiving a packet with an unknown source MAC address, a port submits the packet to the CPU. If 
the source MAC address matches a MAC address-to-VLAN mapping (whose mask is all Fs) maintained 
by the device, the device dynamically learns the source MAC address and assigns the receiving port to 
the corresponding VLAN. Then, subsequent packets with this source MAC address can be directly 
forwarded through the port. If the MAC address does not match any MAC address-to-VLAN mapping or 
matches only a MAC address-to-VLAN mapping whose mask is not all Fs, the device will not dynamically 
learn the MAC address and assign the receiving port to the corresponding VLAN. 
Examples 
# Enable MAC-based dynamic port assignment on GigabitEthernet 1/0/1.  
<Sysname> system-view 
[Sysname] interface gigabitethernet 1/0/1 
[Sysname-GigabitEthernet1/0/1] mac-vlan trigger enable