HP 3500 Series Advanced Traffic Management Guide

3-50
Multiple Instance Spanning-Tree Operation
Configuring MSTP
Figure 3-19. Show Flash Command after Upgrading the Switch to a New Version of
the Software (K.12.51)
5. If you want to run the prior software version, K.12.43 in this example,
enter this command:
HP Switch(config)# boot system flash secondary config
configK1243.cfg
After rebooting, the switch is running software version K.12.43 and is
using the configuration file that you saved for this software version,
configK1243.cfg.
You can also save the K.12.43 configuration file on a TFTP server. If you wanted
to reload the K.12.43 version of the software again, reload the configuration
file before you do the reload.
HP Switch(config)# show flash
Image Size(Bytes) Date Version Build #
----- ---------- -------- ------- -------
Primary Image : 6771179 04/17/08 K.12.51 304
Secondary Image : 7408949 11/06/08 K.12.43 123
Boot Rom Version: K.12.12
Default Boot : Primary

HP 3500 Series Specifications

General

Model	HP 3500 Series
Layer	Layer 3
MAC Address Table Size	16, 000 entries
Type	Managed
Uplink	SFP
PoE	Optional
Management	Web, CLI, SNMP
Routing Protocol	Static, RIP
Power Supply	Internal
Form Factor	1U rack-mountable
Jumbo Frame Support	Yes
Operating Temperature	32°F to 113°F (0°C to 45°C)
Ports	24 or 48 10/100/1000 ports