ZyXEL Communications IES-708-22A - Manual (Page 179)

IES-708-22A User’s Guide
179
C
H A P T E R
25
Port Security
This feature is available in STU-C mode only.
This chapter shows you how to set up port security.
25.1 Port Security Overview
Port security allows you to restrict the number of MAC addresses that can be learned on a port.
25.2 Port Security Screen
To open this screen, click Advanced Application > Port Security.
Figure 86 Advanced Application > Port Security
The following table describes the labels in this screen.
Table 55 Advanced Application > Port Security
LABEL DESCRIPTION
Port This field displays a port number.
Enable Select this check box to restrict the number of MAC addresses that can be
learned on the port. Clear this check box to not limit the number of MAC
addresses that can be learned on the port.
Limited Number of
Learned MAC
Address
Specify how many MAC addresses the IES-708-22A can learn on this port. The
range is 1~128.
Note: If you also use MAC filtering on a port, it is recommended
that you set this limit to be equal to or greater than the
number of MAC filter entries you configure.