Port Security Interface Configuration - NETGEAR GS748Tv4 Software Administration Manual

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Port Security Interface Configuration

A MAC address can be defined as allowable by one of two methods: dynamically or statically.
Both methods are used concurrently when a port is locked.
Dynamic locking implements a first arrival mechanism for Port Security. You specify how
many addresses can be learned on the locked port. If the limit has not been reached, then a
packet with an unknown source MAC address is learned and forwarded normally. When the
limit is reached, no more addresses are learned on the port. Any packets with source MAC
addresses that were not already learned are discarded. You can effectively disable dynamic
locking by setting the number of allowable dynamic entries to zero.
Static locking allows you to specify a list of MAC addresses that are allowed on a port. The
behavior of packets is the same as for dynamic locking: only packets with an allowable
source MAC address can be forwarded.
To display the Port Security Interface Configuration page, click Security > Traffic Control,
and then click the Port Security > Interface Configuration link.
To configure port security settings:
1. To configure port security settings for a physical port, click PORTS.
2. To configure port security settings for a Link Aggregation Group (LAG), click LAGS.
3. To configure port security settings for both physical ports and LAGs, click ALL.
4. Select the check box next to the port or LAG to configure. Select multiple check boxes to
apply the same setting to all selected interfaces. Select the check box in the heading row to
apply the same settings to all interfaces.
5. Specify the following settings:
178 | Chapter 5: Managing Device Security
GS748T Smart Switch Software Administration Manual