ZyXEL Communications GS1920-48HPv2, Руководство пользователя

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GS1920v2 Series User’s Guide
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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
Switc h
Se tup
screen. The valid range is from “0” to “16384”. “0” means this feature is disabled.
Apply Click
Apply
to save your changes to the Switch’s run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the
Sa ve
link on the top navigation panel to save
your changes to the non-volatile memory when you are done configuring.
Cancel Click
C a nc e l
to begin configuring this screen afresh.
Table 69 Advanced Application > Port Security (continued)
LABEL DESC RIPTIO N