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3com superstack 3 switch 3300 reset himself randomaly need a solution

Power on the 3com switch and randomaly the 3com reset hiself, we have 5 units with the same problem. Please advis, Thanks, Pini.

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  • Pini Haimovitz Apr 12, 2012

    Please send me moer information about your solution.

    Thanks,
    Pini.

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Take it to the 4s garage, if you want to find out the problem by yourself,you first have some professional tool , there are some diagnostic that always can figure out the problem i can show you: www.xcardiag.com/

Posted on Apr 12, 2012

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Username:monitor Password: monitor---monitor mode, view only manager manager--can change all except security features admin (no password)--sets security features IP: 169.254.100.100 or 169.254.100.99

Posted on Jul 18, 2011

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1 Answer

Switch powers off


  1. Faulty power supply
  2. Heat issue

See if there are any logs on the switch that you can check for errors. If you can't I suggest you call 3Com for troubleshooting.

Oct 10, 2013 | 3Com SuperStack 3 3870 48-Port...

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My problem is i have all yellow ports flashing in 10 3com 3300 switches in the same time. please help me


  1. Using a Null-Modem Cable , hook up the Console port of the switch to an available COM port on a computer (cable must be able to provide serial port communication between 2 computers).
  2. Set up a Hyperterminal session to that COM port (e.g.: com1), with the port settings at 9600/8/N/1/N (. When the screen comes up blank with a blinking cursor, hit [enter] once or twice to bring up a login prompt.
  3. Alternative to 1 and 2 above, if there is a known assigned TCP/IP address for the switch, one can telnet to that address, hit [enter] once or twice to get the login prompt.
  4. Default logins to try are admin/(no password) or security/security. One of those 2 should bring up the management menu.
  5. To reset factory defaults, type SYSTEM[enter] then type INITIALIZE[enter]. This will reset everything that has been set up on the switch, with the exception of the TCP/IP address, if there is one. All other previous configurations will need to be re-entered.
  6. You can type in username "3comcso" and password "RIP000". It will ask you to reinitialize the switch. This will reset all settings including passwords.

Jul 15, 2011 | 3Com SuperStack 3 3300 XM 24-Port Ethernet...

1 Answer

How to rest t


Connect the switch with a null-modem cable
In windows, hyperterminal , To enter into Password Recovery Mode:
login: recover
password: recover
Turn the power off (hard reset) within 30seconds
Re-enter the password twice.

Feb 23, 2011 | 3Com SuperStack 3 4228G (3C17304-US)...

1 Answer

Hello i want config snmp in 3com 3300MM but i can not set it please help me thanks


There a great article at General Router Setup.
If you need more help post back!
Thumbs and testimonial are welcome!


There is a great article at Working with Windows Wireless Networks
If you need more help post back! Thumbs and testimonial are welcome!

Jan 23, 2011 | 3Com SuperStack II 3300 SM Networking...

1 Answer

Benji


sound like its fails the post.manual says should yellow if it fails, green if it passes. maybe hard reset unplug it from power wait a couple minutes plug back in.

May 21, 2017 | 3Com SuperStack 3 4226T (3C17300)...

1 Answer

Doesn't POST


I've got a Superstack II 3300 24port switch, all leds are on, and led 8 blinks.
I'll let you know if I find a solution.

Dec 09, 2008 | 3Com SuperStack 3 3300 TM Networking...

2 Answers

I cann't connect to my switch


The primary connection method for those switches would be serial connection. In the box there should have been a DB9 serial to RJ45 cable. Hyperterminal default settings would allow you to connect.

Jul 25, 2008 | 3Com 4500 24-Port Ethernet Switch

1 Answer

High activity?


Hello Mike, Are you able to log into the web interface of the product and see the data statistics for the ports? This switch has a web management interface, so I'd advise logging into that to see what's actually happening to each port. Take a look at that and get back to me with your findings. If you find that you can't access the web interface, there may be another issue we need to look at. Let me know how you get on. Thanks reaxion

Feb 15, 2007 | 3Com SuperStack II 3300 SM Networking...

1 Answer

3com 3300 TM - all Ethernet port not working, power led flashing


A blinking power LED means that the switch is either downloading software, or is initializing which also includes running the Power On Self Test. You may have firmware issues with the switch and/or the switch is stuck in initialization mode. You may have to contact 3com regarding a warranty issue. Hope this helps. Good luck.

Nov 20, 2006 | 3Com SuperStack 3 3300 TM Networking...

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