Questions & Answers for: 3com 4400

3COM 4400 has block my entire LAN ... Hy. I work in factory with over 20 switches 3COM 4400. Today sudenlly the entire network has frozen. After a couple of hours we manage to solve the problem by ...

fiber module sir, if i replace the fiber module,i have to configer the ip?? how to go insite the switch e: 199.256.0.1 or someting als?? Hi, you can login though the console cable, switch back side ...

4400 (3com), here we have a rebooting form Switch`s in a stack and they are restarting without explanation randomly, for example sw 2 and 4 of stack 2 restarts, somebody knows why?, the model of sw is

how to configer vlan,and unit 1 or 2?? i config ip the switch but can't get the internet, VLAN configuration is able to do in the layer 2 swicth.

managed switches not responding to ping commands. Main uplink port is not functioning. switch not responding to ping commands. hiow do i find out what the problem is

i have 3com 4400 superstack. i cant log in and dont have any password becouse old staff already resign Try this link. 3Com 3Com website is still active for support. Good Luck