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Cisco IE 3000 Switch Software Configuration Guide
OL-13018-03
Chapter 26 Configuring Port-Based Traffic Control
Configuring Port Security
Table 26-3
summarizes port security compatibility with other port-based features.
Enabling and Configuring Port Security
Beginning in privileged EXEC mode, follow these steps to restrict input to an interface by limiting and
identifying MAC addresses of the stations allowed to access the port:
Table 26-3
Port Security Compatibility with Other Switch Features
Type of Port or Feature on Port
Compatible with Port Security
DTP
1
port
2
1.
DTP = Dynamic Trunking Protocol
2.
A port configured with the
switchport mode dynamic
interface configuration command.
No
Trunk port
Yes
Dynamic-access port
3
3.
A VLAN Query Protocol (VQP) port configured with the
switchport access vlan
dynamic
interface configuration command.
No
SPAN source port
Yes
SPAN destination port
No
EtherChannel
No
Protected port
Yes
IEEE 802.1x port
Yes
Voice VLAN port
4
4.
You must set the maximum allowed secure addresses on the port to two plus the maximum number of secure addresses
allowed on the access VLAN.
Yes
Flex Links
Yes
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
interface
interface-id
Specify the interface to be configured, and enter interface configuration
mode.
Step 3
switchport mode
{
access | trunk
}
Set the interface switchport mode as access or trunk; an interface in the
default mode (dynamic auto) cannot be configured as a secure port.
Step 4
switchport voice vlan
vlan-id
Enable voice VLAN on a port.
vlan-id
—Specify the VLAN to be used for voice traffic.
Step 5
switchport port-security
Enable port security on the interface.
