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When you use null modem cable (both female ends), you don't need to know the IP number. You are directly making the connection with the unit. Do you see any LED light up? Unfortunately, you bought the 3300. If you call 3com for hardware replacement, they will insist and tell that you need...

Never mind. I figured out. The hub's port 24 is configured as the uplink. I didn't see crossover and straight through sign right next to the port 24.

Just to clarify: This set up works fine: Switch-to-3300 or 3300-to-switch This setup is not working: 3300-to-hub or 3300-to-hub

I've just RMA'ed this Superstack II 3300 and got it back two days ago. It works except it doesn't accept traffics from hubs at all. Switch to Switch connections works fine. For example, I have a 3com 24 port dual speed hub. If I connect a straight through cable to one of the ports on the...

Well, my superstack II 3300 stopped working this weekend. I called 3com this morning for lifetime warranty replacement. I was told that, as of Dec 2005, SSII 3300 is out of warranty and out of production. So they won't repair or give a replacement. Instead I was told to consider the trade-up...

In fact, I think the serial update utility is the one that screwed up the switch. When the TFTP method failed, the switch came back up without any problem. I read the 3com manual and it said use SUU only if the TFTP failed, which it did in my case. So the SUU also bailed out on me in the...

I tried using the TFTP server to update the software from 2.10 to 2.72 in my 3300 switch. It failed at 20% progress. As suggested, I then used the software update utility using the serial cable. It also failed at about 30% mark. Then all I saw was the solid amber Power-test LED and all other...