Cisco Catalyst 2950 Command Reference

B-26
Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Appendix B Catalyst 2950 and 2955 Switch Boot Loader Commands
unset
Command History
Usage Guidelines The MANUAL_BOOT environment variable can also be reset by using the no boot manual global
configuration command.
The BOOT environment variable can also be reset by using the no boot system global configuration
command.
The ENABLE_BREAK environment variable can also be reset by using the no boot enable-break
global configuration command.
The HELPER environment variable can also be reset by using the no boot helper global configuration
command.
The CONFIG_FILE environment variable can also be reset by using the no boot config-file global
configuration command.
The CONFIG_FILE_BUFSIZE environment variable can also be reset by using the no boot buffersize
global configuration command.
The BOOTHLPR environment variable can also be reset by using the no boot boothlpr global
configuration command.
The HELPER_CONFIG_FILE environment variable can also be reset by using the no boot
helper-config-file global configuration command.
Examples This example shows how to reset the prompt string to its previous setting:
switch: unset PS1
switch:
Related Commands
Release Modification
12.1(11)YJ This command was introduced.
Command Description
set Sets or displays 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