I could think of half a dozen places this could start this conversation. I don’t believe the problem is hardware related, but the information that I am getting from my customer doesn’t convince me that it is vendor (AT&T DSL) related either. I maintain a small office with 5 computers which are connected to a switch. The switch goes to a router and the router goes to a DSL modem. The user has a database that lives on a server on the LAN. The user complains that “they are always getting kicked off the internet”.
That being said, during my last trip to the office, I made a sketch of all the connections and lights. The user understands the lights on the modem (power, connectivity, etc.), lights on the router (power, etc.) and the lights on the switch. The problem is, so they report, they are kicked off, but all of the lights are still green. Scratch your head and ask more questions.
Do they have any problem talking to the database during the time they cannot communicate with the internet – the answer is not consistent. In general it seems to be 50-50.
I replaced the switch last week, allowing that the switch was old (10/100) and could explain why users couldn’t talk to the server. If they couldn’t get through the switch, they wouldn’t be able to get to the internet or the server. The problem has continued.
The user is not afraid to turn off the modem and router, and then power them up again. And in general terms, once he does this, his connectivity has been restored for a period of time. He has had to power cycle the modem and router 4 times today, and the day is not over. (He comes in at 8:30 am).
Does anyone have any suggestions? Where would you start looking? What would you replace next. (I will likely replace the router next, but we are seriously considering going to a cable connection to the internet.
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Unless all of the other four users/computers are having problems I wouldn't consider replacing anything hardware related, except MAYBE the cable running to the computer in question or the networking card on said computer. I wouldn't suggest throwing any more money at the situation yet. Troubleshooting this scenario in a …
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