Chapter 20 Port Security
OLT2406 User’s Guide
173
Active Select this option to enable port security on the OLT.
Port This field displays the port number. * means all ports.
* Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all ports. Use this row first to set
the common settings and then make adjustments on a port-by-port basis.
Note: Changes in this row are copied to all the ports as soon as you make them.
Active Select this check box to enable the port security feature on this port. The OLT forwards packets
whose MAC address(es) is in the MAC address table on this port. Packets with no matching MAC
address(es) are dropped.
Clear this check box to disable the port security feature. The OLT forwards all packets 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 “16K”. “0” means this feature is disabled.
Apply Click Apply to save your changes to the OLT’s run-time memory. The OLT loses these changes if it
is turned off or loses power, so use the Save link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
Table 56 Advanced Application > Port Security (continued)
LABEL DESCRIPTION
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