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3750 Stack Strange Loss of Connectivity Issue

Hi,

We had a strange issue yesterday which was only fixed once we reloaded our main 3750 stack. I believe the issue occurred randomly and hasn't occurred since. It resulted in any client connecting via ethernet after the unknown issue occurred not getting any connectivity to any network resources. They could ping the switch but not any devices connected to it. Clients that were connected before the issue occurred were fine and could ping and access all resources. The clients were receiving their ip by dhcp fine, we tried the clients on different vlans with the same results. All wireless clients were fine. I believe if the working clients were restarted then they wouldn't have network access.

To sum up any wired device connected after the issue couldn't access network resources. Does anyone know what would cause this? It hasn't happened before or since, would just like to know.

Ben

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