Here are the answers your helpful questions. Thank you for your response did you also try antoher wall outlet to exclude the internal-building-cable?. Not Yet does the cable test on the meraki page shows ok? Yes and what lenght? 42M did you change the default mtu size under switch > switch settings? No are you able to ping with this command?: ping www.meraki.com -l 1472 -f Yes what is the mtu size of your clients network adapter?: netsh interface ipv4 show subinterfaces 1500 when you plug another pc in that outlet is it working fine? Yes
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