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OS and Boot ROM upgrade of 3Com Switches

Occasional Visitor

OS and Boot ROM upgrade of 3Com Switches



We have two 3Com switches. That is


Sr.     Switch Name                      current OS and Boot ROM          


1)  5500 G-El (3cr17255-91)     OS : 3.01.100s56        ROM: 310                      

2)  4500 (3cr17562-91)              OS : 3.01.00s56p01   ROM: 1.01                    


I would like to upgrade the OS and Boot ROM to latest available version. Can i directly upgrade to latest version or first earlier version and then latest.





P.S. This thread has been moved from Switches, Hubs, Modems (Legacy ITRC forum) to Comware-Based. -HP Forum Moderator

Occasional Visitor

Re: OS and Boot ROM upgrade of 3Com Switches

Hi there.


in the Manual http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02583477/c02583477.pdf on Pages 85+ there is a very good discription!


Ask if you have specific questions.