Question about Allied Telesyn AT 8024GB Networking Switch

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Network keeps dropping out.

Backgound. We have an internal network with 2 buildings. There is fibre connecting the 2 buildings with an AT-8024GB switch at each end. In the second building, the servers are in the first, we have been experiencing regular connection dropouts. Rebooting the switch in the second building has temporarily fixed the problem. To my understanding when the switches were put in there was no configuraion done and I was wondering if one needs to be set as a master. My understanding is they were simply connected, turned on and the data started to flow. When there is a network drop out in the second building all users in the second building are effected but none in the first.

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  • Chris Duggan Mar 06, 2007

    The problem is now fixed.



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Yes, you are correct in stating that one has to be the master, and one needs to be the slave. Normally, if you go to the manufactures website, and look for documentation on that model of switch, it will walk you through step by step on installation and re-installation. I have personally downloaded documentation from the Cisco website for setting up a large network. Try that, if you have further questions, please respond back.

Posted on Jun 06, 2007


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Its seems the internal power supply fails and burned out.... some are saying it is common issue of all d link switching hub? is it possible to use an replacment power supply?..

its not a common issue it the problem from ur building earthing plz chek voltages for this u get i.e, neutal face and earth
in earthing u have to get only below 3 volts in case u get more than that its sure ur problem that ur facing is with voltage variation
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I administer a small network for a cab company, and have lately been battling an internal connectivity problem for the last several days. It seems that 2 of the 5 computers on the LAN intermittently "drop" connection without losing their IP addresses. If I disable the network connection on the "dropped" machine, and then immediately re-enable it, it seems to work for anywhere from 5 minutes to a couple of hours, then "drops" again. All LAN IP addresses are configured manually. I've posted an image of the network map at to illustrate how the LAN is arranged.

The local network has 2 computers that connect to the internet through the DSL router, one for ICS, and the other has an external web server (neither one has connectivity problems).

One computer on the LAN has an internal web server that handles our dispatch program. All computers on the network need to be able to access this box.

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