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 helper
boot helper
Use the boot helper global configuration command to dynamically load files during boot loader
initialization to extend or to patch the functionality of the boot loader. Use the no form of this command
to return to the default setting.
boot helper filesystem:/file-url ...
no boot helper
This command is available only on Catalyst 2950 Long-Reach Ethernet (LRE) switches.
Syntax Description
Defaults No helper files are loaded.
Command Modes Global configuration
Command History
Usage Guidelines Filenames and directory names are case sensitive.
This command changes the setting of the HELPER environment variable. For more information, see
Appendix B, “Catalyst 2950 and 2955 Switch Boot Loader Commands.”
Related Commands
filesystem: Alias for a flash file system. Use flash: for the system board flash device.
/file-url The path (directory) and a list of loadable files to dynamically load during
loader initialization. Separate each image name with a semicolon.
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