I'm quite lost on were to look at this issue and I have quite low Apple MAC experience. But I have an issue where a Macbook loses it's connection to a Windows terminal-server when it's in sleep.
A Windows 2012r2 terminal server running at a hyper-v host. A Cisco small business switch and a Cisco 702 autonomous AP. Client and server is in the same subnet. A new Macbook. User is in the office or conference room. Closes lid on Macbook and it enters sleep. Walks back to his office and the Microsoft remote desktop app wont reconnect. User reboots Macbook and it works again.
I started to troubleshoot and tried to ping the terminal server from the Macbook when it is in the faulty state. No response, equals network problem. Tried to ping the Macbook from the terminal server without response.
If I clear the ARP-table on the Macbook it will regain access to the terminal server. If I look at the ARP-cache on the Macbook I see the correct entry for the terminal server. If I look at the ARP-cache on the terminal-server there's no entry for the Macbook.
Windows PCs in the network doesn't see this issue. So I'm lost on where to start as no stuff regarding ARP and MAC-address-tables has been changed from it's default.
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