SMC Networks L2-Lite Bedienungsanleitung PDF herunterladen (Seite 413)

100

101

General Security Measures

4-125

Command Usage

• If you enable port security, the switch stops learning new MAC addresses on

the specified port when it has reached a configured maximum number. Only

incoming traffic with source addresses already stored in the dynamic or static

address table will be accepted.

• Use the port security command to enable security on a port. Then use the

port security action command to set the response to a port security violation,

and the port security max-mac-count command to set the maximum

number of addresses allowed on a port.

• You can also manually add secure addresses with the mac-address-table

static command.

• A secure port has the following restrictions:

- Cannot be connected to a network interconnection device.

- Cannot be a trunk port.

• If a port is disabled due to a security violation, it must be manually re-enabled

using the no shutdown command.

Example

The following example enables port security for port 5, and sets the response to a

security violation to issue a trap message:

Related Commands

shutdown (4-160)

mac-address-table static (4-193)

show mac-address-table (4-194)

Console(config)#interface ethernet 1/5

Console(config-if)#port security action trap

1 2 ... 408 409 410 411 412 413 414 415 416 417 418 ... 613 614

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