3com S7906E 安装指导

 

1-5 

Disable global MAC address 
learning 

Required 

Enabled by default. 

 

When global MAC address learning is disabled, the learned MAC addresses remain valid until they age 

out. 

 

After enabling global MAC address learning, you may disable the function on a single port, or on all 

ports in a port group as needed. 

Follow these steps to disable MAC address learning on a port or port group: 

Enter system view 

— 

Enable global MAC address 
learning 

Optional 

Enabled by default. 

Enter Ethernet 
interface view 

interface interface-type 
interface-number 

Enter port 
group view  

port-group manual 
port-group-name 

Enter 
Ethernet 
interface 
view, port 
group view, 
or Layer 2 
aggregate 
interface 
view  

Enter Layer 2 
aggregate 
interface view 

interface bridge-aggregation 
interface-number 

Required 

Use any of the three 
commands. 

Configurations made in 
Ethernet interface view or 
Layer 2 aggregate interface 
view take effect on the current 
interface only; configurations 
made in port group view take 
effect on all the member ports 
in the port group.  

Disable MAC address learning 
on an Ethernet port or port 
group 

Required 

Enabled by default. 

 

z 

When global MAC address learning is disabled, the learned MAC addresses remain valid until they 

age out. 

z 

For configuration about port groups, refer to Ethernet Interface Configuration in the Access 

Volume.