ZyXEL Communications ES-3024 Guía de usuario descargar pdf (Pagina 124)

Dimension ES-3024 Ethernet Switch

Port Security 16-3

Table 16-1 Port Security

LABEL DESCRIPTION

Port This field displays a port number.

Active Select this check box to enable MAC address learning on this port.

Address Learning MAC address learning reduces outgoing broadcast traffic. For MAC address learning to occur

on a port, the port itself must be active with address learning enabled.

Limited Number of

Learned MAC

Address

Use this field to limit the number of (dynamic) MAC addresses that may be learned on a port.

For example, if you set this field to "5" on port 2, then only the devices with these five learned

MAC addresses may access port 2 at any one time. A sixth device would have to wait until one

of the five learned MAC addresses aged out. MAC-address aging out time can be set in the

Switch Setup screen. The valid range is from “0” to “254”. “0” means this feature is disabled,

so the switch will learn MAC addresses up to the global limit of 16K.

Apply Click Apply to save your changes back to the switch.

Cancel Click Cancel to begin configuring this screen afresh.

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ZyXEL Communications ES-3024 Guía de usuario Pagina 124