This doesnt seems like a problem with LMS, it is doing its job it is suppose to do.
If the switch is is having issue, troubleshoot it with switching on why it fails to reach LMS and post this under getting started with LAN or Routing forum.
You need to check, where excatly traffic drops, what issue is there as per switching or routing etc.
-Thanks
Vinod
-Thanks
Vinod
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