Ping PowerEdge 5324 problem

We buy a new switch Dell Powerconnect 5324 (24 ports) in order to expand our old Powerconnect 2508 (8 ports) for gigabit connectivity.

If we connect the new switch, we have the following behaviors: a very small number of machines can not ping IP one and only . For example, the print server can ping all printers except one. A PC can ping all other devices connected to the network, except the IP address of a server. At the same time, all other PCs work fine.

If I disconnect the new switch the entire network restart to function properly. If I connect the servers to the switch again the network problem appears again.

There are also 2 amazing things:

-changes of machines involved (IP)

-a continuous ping on the affected machine works for a few seconds then stop for a few minutes and then work again for a few seconds and so on

I use the default configuration, and I think that it is impossible to configure something like this with a managed switch.

Do you have any suggestions?

Tags: Dell Switches

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