Default Port Security Configuration; Port Security Configuration Guidelines - Cisco Catalyst 2960-X Security Configuration Manual

Configuring Port-Based Traffic Control
When a switch (either the active switch or a stack member) leaves the stack, the remaining stack members
are notified, and the secure MAC addresses configured or learned by that switch are deleted from the secure
MAC address table.

Default Port Security Configuration

Table 35: Default Port Security Configuration
Feature
Port security
Sticky address learning
Maximum number of secure MAC
addresses per port
Violation mode
Port security aging

Port Security Configuration Guidelines

• Port security can only be configured on static access ports or trunk ports. A secure port cannot be a
• A secure port cannot be a destination port for Switched Port Analyzer (SPAN).
•
• When you enable port security on an interface that is also configured with a voice VLAN, set the
• When a trunk port configured with port security and assigned to an access VLAN for data traffic and to
OL-29048-01
dynamic access port.
Voice VLAN is only supported on access ports and not on trunk ports, even though the
Note
configuration is allowed.
maximum allowed secure addresses on the port to two. When the port is connected to a Cisco IP phone,
the IP phone requires one MAC address. The Cisco IP phone address is learned on the voice VLAN,
but is not learned on the access VLAN. If you connect a single PC to the Cisco IP phone, no additional
MAC addresses are required. If you connect more than one PC to the Cisco IP phone, you must configure
enough secure addresses to allow one for each PC and one for the phone.
a voice VLAN for voice traffic, entering the switchport voice and switchport priority extend interface
configuration commands has no effect.
Catalyst 2960-X Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX
Default Setting
Disabled on a port.
Disabled.
1.
Shutdown. The port shuts down when the maximum number of secure
MAC addresses is exceeded.
Disabled. Aging time is 0.
Static aging is disabled.
Type is absolute.
Default Port Security Configuration
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