I'm experiencing an issue on a virtual server where it will ping for about 5-10 minutes, then drop for a minute or two, then come back up. That pattern repeats indefinitely.
I'm not a network guy, but our network guy worked on it all day and was stumped; but I'm on call and have to resolve the issue.
The machine only drops from our office and remote home networks. It's not dropping connection from our data center (where the virtual hosts reside). We tried moving this machine to a different IP and it stopped dropping (unfortunately changing the IP isn't an option, we just did that for troubleshooting). When we made a new server using that IP, that didn't work, either.
So there appears to be something causing all computers on a particular network to drop connection to a particular IP. Our network guy checked to make sure another MAC wasn't trying to use that IP. He also tried setting some static routes. He said there was nothing particularly useful when he did a Wireshark capture. He said the server may have been on the wrong subnet mask, but when we changed it, that didn't help.
We are not aware of any changes that were made to cause this issue.
Any ideas at all would be much appreciated!
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