HP Switch 6120 Manual do Utilizador descarregar pdf (Página 409)

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101

11-6

Configuring and Monitoring Port Security

Port Security

configuration to ports on which hubs, switches, or other devices are

connected, and to maintain security while also maintaining network access to

authorized users. For example:

Figure 11-1. Example of How Port Security Controls Access

Note Broadcast and Multicast traffic is always allowed, and can be read by intruders

connected to a port on which you have configured port security.

Trunk Group Exclusion

Port security does not operate on either a static or dynamic trunk group. If

you configure port security on one or more ports that are later added to a trunk

group, the switch will reset the port security parameters for those ports to the

factory-default configuration. (Ports configured for either Active or Passive

LACP, and which are not members of a trunk, can be configured for port

security.)

Switch A

Port Security

Configured

Switch B

MAC Address

Authorized by

Switch A

PC 1

MAC Address

Authorized by Switch A

PC 2

MAC Address NOT

Authorized by Switch A

PC 3

MAC Address NOT

Authorized by Switch A

Switch C

MAC Address

NOT

Authorized

by Switch A

Switch A

Port Security

Configured

Switch B

MAC Address

Authorized by

Switch A

PC 1

MAC Address

Authorized by Switch A

Logical Topology for Access to Switch A

Physical Topology

• PC1 can access Switch A.

• PCs 2 and 3 can access Switch B and Switch C, but are

blocked from accessing switch A by the port security

settings in switch A.

• Switch C is not authorized to access Switch A.

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