Network Refresh on Lion?

One of the more common hassles I deal with in Lion is the very sluggish network refresh.
I'm on a medium-sized network composed mainly of OSX machines, and sometimes one of them will reboot and come back with a different IP address. When this happens it will take an excessive amount of time for Finder to update the new computer address on the "Shared" section.
Can't this be done manually? How come there's no option to simply refresh all network assets?

I have the same issue with my 2013 Mac Mini Server (top of the line specs, 16GB RAM, etc) over a GIG-E local network directly connected to the same switch. I've tried different cables and ports to ensure it's not a network issue. Ironically enough, I get a solid connection with the Windows RDP client on my laptop to a Windows VM running on that same server; but when I try to directly connect via ARD, I get the slow refresh / blocked appearance you see in the attached screenshot.

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I guess their organization are too tied up patent trolling Android phone manufacturers and Google to insure quality gets out the door.
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However sometimes I need to grab the cables from the Mac Mini (USB and monitor) and plug them into a local laptop so I can use the monitor.
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SSH connects though so perhaps you can wrestle control of the server using the terminal.
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Can't believe no one has experienced this?
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Network Refresh on Lion?

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