Mac os x mountain lion wake on lan

If this question can be reworded to fit the rules in the help center , please edit the question. The correct solution to this problem as Zoredache pointed out is to set the server to never sleep. There may be a way to kluge it to wake on demand, but it'll be slow, overcomplicated, and potentially unreliable. Now about "Wake for Network Access": Incoming HTTP requests are not in this format, so they won't do the job.

A Bonjour Sleep Proxy provides a possible workaround for this although as I said above, it'll be slow etc. If you have a device on your local network that provides the sleep proxy service, the Mac can register its Bonjour-advertized services with the proxy as it goes to sleep. While it's asleep, the proxy advertises your services over Bonjour, and responds to ARPs on your computer's behalf.

When a request well, the SYN packet actually comes in for one of your services, the proxy sends a magic packet to wake your computer, then hands off the incoming connection to your computer. I haven't tested this, but my understanding is that to get this to work you'd need a device that provides the Bonjour sleep proxy service although apparently some Macs have it built into the ethernet interface , then register a service on port 80 with Bonjour:.

Another possibility would be to edit the launchd.

But I'm not going to worry about it because it's not the right solution anyway; the right solution is not letting the server sleep in the first place. Home Questions Tags Users Unanswered. Any suggestions would be appreciated. Gary Gary 16 3. Wake on lan for an HTTP service is almost always too slow.

Systems take seconds to wake up if you are really lucky. Incoming connections will almost certainly timeout before the system will be ready to respond. Servers usually just need to stay online and never go to sleep. Jul 31, 1: Also note that Wake on Lan is not available when on battery power only. I don't recall if this was the case or not on Lion. Thanks Alfred. The system prefs are alright and, of course, set to "Wake for Ethernet Network Access" is enabled.

Furthermore, several programs and tasks are running in the backgound Cubby, LogMeIn, hourly Time Capsule backup , but none of them brings the Mac back from sleep. Basically, the Bonjour Sleep Proxy should maintain the network connection to the sleeping Mac, but it's not working anymore.

Even a direct afp connection to the sleeping Mac mini from within the local network fails. After it went to sleep, it disappears from the network. Others appear to be having the same issue. You can do so following the steps HERE. Yes, wired. It's a wired Ethernet-over-Power Line connection, see www.

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WiFi is turned off. The network setup has always been this way and never caused problems. Glitches started after upgrading to ML. It was set to three hours, which explains why the Mac mini I wonder why I did not run into that problem with Snow Leopard or Lion. Maybe they really changed something under the hood with regards to the Power Nap feature. For now, it's just guessing, so any further ideas are warmly welcome. Jul 31, 2: I sometimes have a problem with my Mini losing WiFi connection but haven't care enough to to investigate since I rarely need to connect remotely.

DHCP might be the issue as you suggested so I'll look into that myself.

Might be worth trying a direct line into your router just to see if the pwer line connection is somehow contributing to the problem. You're absolutely right, one should rule out every possible cause for error. I will try a direct connection if the DHCP lease time does not solve the problem, but I doubt that the dLAN adapters have anything to do with the issue.

Network traffic is running perfectly well. Jul 31, 8: Ok, I did not expect that, but it really seems to be connected to the dLAN adapters.

They go to sleep as well, a few minutes after the mini did. That's why the connection breaks. I never had that behaviour with SL and Lion, but it seems to be the way it should have worked from the beginning.

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I tried a direct connection between mini and Time Capsule and it worked perfectly well, at least a few minutes after putting the mini to sleep. I did not try a longer period of time as I have no possibilty to connect the mini directly to the router. My workaround will be disabling sleep mode until I find a solution. I'm on a Mac mini connected to an Airport Extreme and experiencing the same issue with wake for internet access not working.

Your Answer

It worked perfectly before, and now it does not. Well, not what you were hoping but at least you narowed it down. I expect this is not the intended functionality and that it will be patched - hopefully soon.