ProCurve 6200yl User's Guide download pdf (Page 528)

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101

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Configuring and Monitoring Port Security

Port Security

Syntax: port-security (Continued)

learn-mode < continuous | static | port-access | configured | limited-

continuous > (Continued)

Caution: Using the

static parameter with a device limit

greater than the number of MAC addresses specified

with mac-address can allow an un-wanted device to

become “authorized”. This is because the port, to fulfill

the number of devices allowed by the address-limit

parameter (se below), automatically adds devices it

detects until it reaches the specified limit.

Note: If 802.1X port-access is configured on a given port,

then port-security learn-mode must be set to either

continuous (the default) or port-access.

port-access: Enables you to use Port Security with

(802.1X) Port-Based Access Control. Refer to chapter 13,

Configuring Port-Based and User-Based Access Control

(802.1X).

configured: Must specify which MAC addresses are allowed

for this port. Range is 1 (default) to 8 and addresses are

not ageable. Addresses are saved across reboots.

limited-continuous: Also known as MAC Secure, or “limited”

mode. The limited parameter sets a finite limit to the

number of learned addresses allowed per port. (You can

set the range from 1, the default, to a maximum of 32 MAC

addresses which may be learned by each port.)

All addresses are ageable, meaning they are automatically

removed from the authorized address list for that port

after a certain amount of time. Limited mode and the

address limit are saved across reboots, but addresses

which had been learned are lost during the reboot process.

Addresses learned in the limited mode are normal

addresses learned from the network until the limit is

reached, but they are not configurable. (You cannot enter

or remove these addresses manually if you are using learn-

mode with the limited-continuous option.)

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