A very strange problem concerning PoE, switches, and point to point...
I challenge ANYONE to figure this out...Before I begin my explanation of the problem, please understand that at this time the network\internet WORKS. However, the method in which I employed to get it...
View ArticleDuplexing?
While not the same as what you went through, I had to employ something similar.I had four T-1 lines which we bonded by connecting into the back of our Netvanta router.At the firewall, the downlink was...
View ArticleNegotiation Issue, Loop, Spanning Tree, Auto-crossover, crossover cable
The first question is, when you 'get nothing' on your laptop, is the link light on?If the light is on, the next question would be whether the switch-to-PC connection connected at 100-full, 100-half...
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Interesting ideas.The connection speed issue didn't cross my mind - good idea there. The next time I find myself in that closet I will check it out. For now, it works so I am leaving it alone until we...
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Very similar indeed! It was frustrating when I was looking at this thing wondering, "Ok, this SHOULD work..."Duplexing very well could be the problem. I guess I'll find out this fall when I rewire the...
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This might be moot but have you taken the time to sketch/diagram the configuration as it is right now? I find that drawing it out on paper sometimes help with the troubleshooting. And when it comes to...
View Articleshould work without the little 5 port
if the PoE injector isn't supposed to power anything. I'm assuming that the little 5 power switch isn't being powered by the PoE injector and that you found a wall outlet to plug it's power cable into....
View ArticlePort auto-negotiation issue maybe?
I'd take a guess that the main switch is failing to auto-negotiate, I have a printer that will only connect via a "Dumb" 10baseT hub. I can connect the hub to a switch just fine.
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The PoE injector in the closet is powering the point-to-point bridge device up in the attic. Eventually, we are going to move everything down from the attic into the closet to simplify things. At that...
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Since I took this position (my first IT position btw) I have documented and diagrammed most of the important areas of the network. I am the lone IT guy on a 110 acre campus, with around 10 buildings...
View ArticleCable
Hi, the connection bridge to switch, was it with cross-over cable or straight? If it is not cross-over this may cause problems although it should work with straight through cables. We had heaps of...
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