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3com WX3000 User Manual

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To do… 
Use the command… 
Remarks 
Enter Ethernet port view 
interface
 interface-type 
interface-number
 
Make sure that you enter the Ethernet port 
view of the port for which you want to enable 
the VLAN-VPN tunnel function. 
Enable the VLAN VPN 
function for the Ethernet 
port 
vlan-vpn enable
 
Required 
By default, the VLAN VPN function is 
disabled on all ports. 
 
 
z
 
The VLAN-VPN tunnel function can be enabled on STP-enabled devices only. 
z
 
To enable the VLAN-VPN tunnel function, make sure the links between operator’s networks are 
trunk links. 
 
STP Maintenance Configuration 
Introduction 
In a large-scale network with MSTP enabled, there may be many MSTP instances, and so the status of 
a port may change frequently. In this case, maintenance personnel may expect that log/trap information 
is output to the log host when particular ports fail, so that they can check the status changes of those 
ports through alarm information. 
Enabling Log/Trap Output for Ports of MSTP Instance 
Follow these steps to enable log/trap output for ports of MSTP instance: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enable log/trap output for the 
ports of a specified instance 
stp
 [ instance instance-id ] 
portlog 
Required 
By default, log/trap output is 
disabled for the ports of all 
instances. 
Enable log/trap output for the 
ports of all instances 
stp
 portlog all 
Required 
By default, log/trap output is 
disabled for the ports of all 
instances. 
 
Configuration Example 
# Enable log/trap output for the ports of instance 1. 
<device> system-view  
[device] stp instance 1 portlog 
# Enable log/trap output for the ports of all instances. 
<device> system-view