Cisco Catalyst 2950 Command Reference

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
boot enable-break
boot enable-break
Use the boot enable-break global configuration command to enable interrupting the automatic boot
process on a Catalyst 2950 Long-Reach Ethernet (LRE) switch. Use the no form of this command to
return to the default setting.
boot enable-break
no boot enable-break
This command is available only on Catalyst 2950 LRE switches.
Syntax Description This command has no arguments or keywords.
Defaults The automatic start up process cannot be interrupted by pressing the Break key on the console.
Command Modes Global configuration
Command History
Usage Guidelines When you enter this command, you can interrupt the automatic boot process by pressing the Break key
on the console after the flash file system is initialized.
Note Despite the setting of this command, you can interrupt the automatic boot process at any time by pressing
the MODE button on the switch front panel.
This command changes the setting of the ENABLE_BREAK environment variable. For more
information, see Appendix B, “Catalyst 2950 and 2955 Switch Boot Loader Commands.”
Related Commands
Release Modification
12.1(11)YJ This command was introduced.
Command Description
show boot Displays the settings of the boot environment variables.

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