Cisco Catalyst 3550 User Manual

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Appendix A Catalyst 3550 Switch Boot Loader Commands
load_helper
load_helper
Use the load_helper boot loader command to load and initialize one or more helper images, which
extend or patch the functionality of the boot loader.
load_helper filesystem:/file-url ...
Syntax Description
Defaults No helper files are loaded.
Command Modes Boot loader
Command History
Usage Guidelines The load_helper command searches for loadable files only if the HELPER environment variable is set.
Filenames and directory names are case sensitive.
filesystem: Alias for a flash file system. Use flash: for the system board flash device.
/file-url Path (directory) and a list of loadable helper files to dynamically load during
loader initialization. Separate each image name with a semicolon.
Release Modification
12.1(4)EA1 This command was introduced.

Cisco Catalyst 3550 Specifications

General

Category	Switch
QoS	Yes
Form Factor	Rack-mountable
Manageable	Yes
RAM	64 MB
Model	Catalyst 3550
Uplink Ports	2 x GBIC (Gigabit Interface Converter) or SFP (Small Form-factor Pluggable)
Layer Support	Layer 3
VLAN Support	Yes
MAC Address Table Size	12000 entries
Routing Protocol	EIGRP
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Operating Humidity	10 - 95% (non-condensing)
Ports	24 or 48 10/100 ports