We had a similar problem. Three switches, one smart switch feeding two plain vanilla switches. One of the plain vanilla switches would go down ever other day. It turned out that it would only do it when port 11 and 12 were plugged it. (It took a long time and another switch to figure that part out.) When we looked at the building wiring, the jacks for those two ports were in the same unused room. The cleaning staff had seen the patch cord plugged into one jack and had kindly plugged the other end into the other jack.
Hello people,I hope u may help me to solve this problem,
I have a adsl modem then connected to a server, then from the server to the switches.There are three switches two functioning correctly.
The problem is the one connecting about 30 pcs. I have connected a direct cable to from one switch in the server room to another switch downstairs. It was connecting and work fine then I started experiencing connectivity problem with this downstairs switch.
I changed the connectors and it worked out but after some days the same no/limited connectivity problem occurred.
May you assist me what may be the cause of this problem?