3Com MSR 30, MSR 50 manual n

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Description Use the bridge enable command to enable the bridging functionality.
Use the undo bridge enable command to disable the bridging functionality.
By default, bridging is disabled.
nOther related configurations can take effect only if the bridging and bridge set
features are enabled. This command is required for bridge configuration.
Example # Enable bridging.
<Sysname> system-view
[Sysname] bridge enable
bridge learning
Syntax bridge bridge-set learning
undo bridge bridge-set learning
View System view
Parameters bridge-set: Bridge set number, an integer in the range of 1 to 255.
Description Use the bridge learning command to enable dynamic address learning to allow
the specified bridge set to add dynamic address entries into the bridge table.
Use the undo bridge learning command to disable dynamic address learning.
By default, dynamic address learning is enabled, namely all bridge sets are allowed
to add dynamic address entries into the bridge table.
Example # Enable dynamic address learning.
<Sysname> system-view
[Sysname] bridge 1 learning
bridge mac-address
Syntax bridge bridge-set mac-address mac-address {deny | permit } [ dlsw | interface
interface-type interface-number]
undo bridge bridge-set mac-address mac-address [interface interface-type
interface-number ]
View System view
Parameters bridge-set: Bridge set number, an integer in the range of 1 to 255.
mac-address: MAC address, in the format of H-H-H