02-25-2019 09:51 AM
Good morning All,
I have an issue that I haven't been able to resolve as of late. We have a switch that is giving out duplicate IP's after servers reboot and we've been able to resolve them with the gratuitous arp registry addition, but I am having issues resolving this with a Mac.
How would I go about fixing duplicate IP's due to gratuitous arp on a Mac device? I tried doing some research, but it's tough due to Mac devices and MAC address's.
02-26-2019 07:48 AM
02-26-2019 07:52 AM
02-26-2019 07:59 AM - edited 02-26-2019 07:59 AM
No, that's not what's going on. A system that is plugged into this switch will have it's IP working fine until it is restarted. Once it's restarted, the machine will say it can't use that IP address because it's already taken. We've had to add the registry edit to our windows machines to fix this issue and they are working "fine" now. Only issue is I can't make that registry edit on mac's, so I don't really know what to do for mac systems that lose their IP's. Everytime I try to log onto this mac that I set up as a test, after this issue started occurring, it states that the static IP that I have given it, is already taken by another device, but there is no other device on the switch that has this IP.
02-26-2019 08:05 AM
02-26-2019 08:07 AM
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