Cisco Catalyst 2960 Series User Manual

PurposeCommand or Action
Specifies the interface to be configured, and enter
interface configuration mode.
interface interface-id
Example:
Switch(config)# interface gigabitethernet1/0/1
Step 3
Blocks unknown multicast forwarding out of the port.switchport block multicast
Step 4
Example:
Switch(config-if)# switchport block multicast
Pure Layer 2 multicast traffic as well as
multicast packets that contain IPv6 information
in the header are blocked.
Note
Blocks unknown unicast forwarding out of the port.switchport block unicast
Example:
Switch(config-if)# switchport block unicast
Step 5
Returns to privileged EXEC mode.end
Example:
Switch(config)# end
Step 6
Verifies your entries.
show interfaces interface-id switchport
Example:
Switch# show interfaces gigabitethernet1/0/1
Step 7
switchport
Verifies your entries.show running-config
Example:
Switch# show running-config
Step 8
(Optional) Saves your entries in the configuration file.copy running-config startup-config
Example:
Switch# copy running-config startup-config
Step 9
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1506
How to Configure Port Security

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000