Cisco Catalyst 2950 Command Reference

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
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Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
switchport port-security
This example shows how to set the maximum number of addresses that a port can learn to 20:
Switch(config-if)# switchport port-security maximum 20
This example shows how to enable sticky learning and to enter two sticky secure MAC addresses:
Switch(config-if)# switchport port-security mac-address sticky
Switch(config-if)# switchport port-security mac-address sticky 0000.0000.4141
Switch(config-if)# switchport port-security mac-address sticky 0000.0000.000f
You can verify your settings by entering the show port-security privileged EXEC command.
Related Commands Command Description
clear port-security Deletes from the MAC address table a specific dynamic secure
address or all the dynamic secure addresses on an interface.
clear port-security sticky Deletes from the MAC address table a specific sticky secure address,
all the sticky secure addresses on an interface, or all the sticky secure
addresses on a switch.
show port-security Displays the port security settings defined for the port.

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz