Specifications

Chapter 5: Security
Extreme Networks EAS 100-24t Switch Software Manual
104
Port Security Folder
Port Security is a security feature that prevents unauthorized computers (with source MAC addresses)
unknown to the Switch prior to locking the port (or ports) from connecting to the Switch's locked ports
and gaining access to the network.
Port Security Port Settings
A given ports’ (or a range of ports') dynamic MAC address learning can be locked such that the current
source MAC addresses entered into the MAC address forwarding table can not be changed once the
port lock is enabled. Setting the Admin State pull-down menu to Enabled, and clicking Apply can lock
the port.
To view the following window, click, Security > Port Security > Port Security Port Settings:
In this window, the following parameters can be configured:
Parameters Description
From Port/To Port A consecutive group of ports may be configured starting with the selected
port.
Admin State This pull-down menu allows you to enable or disable Port Security (locked
MAC address table for the selected ports).
Max. Learning Address (0-64) The number of MAC addresses that will be in the MAC address-forwarding
table for the selected switch and group of ports.
Lock Address Mode This pull-down menu allows you to select how the MAC address table locking
will be implemented on the Switch, for the selected group of ports. The
options are:
Permanent – The locked addresses will not age out after the aging timer
expires.
Delete on Timeout – The locked addresses will age out after the aging timer
expires.
Delete on Reset – The locked addresses will not age out until the Switch has
been reset.