Microsoft ES4649 Uživatelský manuál stáhnout pdf (Strana 407)

100

101

Authentication Commands

4-79

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.

• First use the port security max-mac-count command to set the number of

addresses, and then use the port security command to enable security on

the port.

•Use the no port security max-mac-count command to disable port security

and reset the maximum number of addresses to the default.

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

static command.

• A secure port has the following restrictions:

- Cannot use port monitoring.

- Cannot be a multi-VLAN port.

- 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 (4-148)

mac-address-table static (4-167)

show mac-address-table (4-168)

Console(config)#interface ethernet 1/5

Console(config-if)#port security action trap

1 2 ... 402 403 404 405 406 407 408 409 410 411 412 ... 673 674

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