176 Address Table Commands
clear bridge
Use the clear bridge command in Privileged EXEC mode to remove any learned entries from
the forwarding database.
Syntax
clear bridge
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
This command has no user guidelines.
Example
In this example, the bridge tables are cleared.
console#clear bridge
port security
Use the port security command in Interface Configuration mode to disable the learning of new
addresses on an interface. To enable new address learning, use the no form of the port security
command.
Syntax
port security [discard] [trap
seconds
]
no port security
•
discard
— Discards frames with unlearned source addresses. This is the default if no option is
indicated.
•
trap
seconds
— Sends SNMP traps and defines the minimal amount of time in seconds
between two consecutive traps. (Range: 1–1000000)
Default Configuration
Disabled—No port security
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