Table 35: Port Security Compatibility with Other Switch Features
Compatible with Port SecurityType of Port or Feature on Port
NoDTP
11
port
12
YesTrunk port
NoDynamic-access port
13
NoRouted port
YesSPAN source port
NoSPAN destination port
NoEtherChannel
YesTunneling port
YesProtected port
YesIEEE 802.1x port
YesVoice VLAN port
14
YesPrivate VLAN port
YesIP source guard
YesDynamic Address Resolution Protocol (ARP) inspection
YesFlex Links
11
DTP=Dynamic Trunking Protocol
12
A port configured with the switchport mode dynamic interface configuration command.
13
A VLAN Query Protocol (VQP) port configured with the switchport access vlan dynamic interface configuration command.
14
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.
How to Configure Port Security
Enabling and Configuring Port Security
Before You Begin
This task restricts input to an interface by limiting and identifying MAC addresses of the stations allowed to
access the port:
Catalyst 2960-XR Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX1
340 OL-29434-01
Configuring Port-Based Traffic Control
How to Configure Port Security