Port Security; Enabling Port Security - Cisco SG200 Series Administration Manual

Security

Port Security

STEP 3
Port Security
STEP 1
STEP 2
STEP 3
Cisco Small Business SG200 Series 8-port Smart Switches Administration Guide
hardware requires a pps value versus an absolute rate in kbps. For example,
if the configured limit is 10 percent, this is converted to approximately
25000 pps (for a 100M port).
Click Apply and then click Close. Your changes are saved to the Running
Configuration.
You can enable port security on a per-port basis. When a port is secured (locked),
the switch will forward only packets with a source MAC address that is secured at
the port. All other packets are discarded. The switch also will discard a packet
from a port with a source MAC address that is secured at another port.
A secure MAC address can be statically configured or dynamically learned. The
maximum number of secure MAC addresses at a secured port is 256. Static
secure MAC addresses are configured using the Static Addresses page. Both
static and dynamic secure MAC addresses are subject to aging limits (see
Configuring the Aging Time for Dynamic
To display the Port Security page, click Security > Port Security in the navigation
window.
The Port Security Table shows the current security configuration for each port.
You can select LAG from the Interface Type list to display data for LAGs only. By
default, port security is disabled globally and on each interface.

Enabling Port Security

To configure port security:
On the Port Security page, select Enable for the global Admin Mode and click
Apply.
Select the port or LAG to configure and click Edit.
Configure the following settings:
Addresses).
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