We got WOL working with ConFigMGR using Subnet Directed Broadcast, yet it brings our network to a crawl.
Yet, UDP forwarding for port 9 that WOL uses, seems to bring our network to a crawl, anyone else had or having this issue. If so how did you go about resolving the issue?
September 28th, 2012 11:40am

You're getting a UDP packet flood?
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October 1st, 2012 3:11pm

it would seem so it made our network come to a crawl.
October 1st, 2012 3:14pm

it would seem so it made our network come to a crawl. Did you folk get to the bottom of this?
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November 2nd, 2012 10:05am

No, net yet our network guys think our switches are too old and it doesn't know how to handle the UDP traffic, as of right now the port has been closed and WOL is not functional in ConfigMgr
November 2nd, 2012 10:57am

as the transmission method for sending wake-up packets to a computer in a ConfigMgr site, uses the MAC address and IP subnet address of the target computer from hardware inventory. The wake-up transmission is sent to the computer's last known subnet, and it is then broadcast to all computers on that subnet. For this method to be successful, all intervening routers must be configured to forward subnet-directed broadcasts. During this broadcast, the computer that has the MAC address specified in the wake-up transmission will respond. More: http://technet.microsoft.com/en-us/library/bb632807.aspx
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November 3rd, 2012 9:25am

as the transmission method for sending wake-up packets to a computer in a ConfigMgr site, uses the MAC address and IP subnet address of the target computer from hardware inventory. The wake-up transmission is sent to the computer's last known subnet, and it is then broadcast to all computers on that subnet. For this method to be successful, all intervening routers must be configured to forward subnet-directed broadcasts. During this broadcast, the computer that has the MAC address specified in the wake-up transmission will respond. More: http://technet.microsoft.com/en-us/library/bb632807.aspx
November 3rd, 2012 9:29am

as the transmission method for sending wake-up packets to a computer in a ConfigMgr site, uses the MAC address and IP subnet address of the target computer from hardware inventory. The wake-up transmission is sent to the computer's last known subnet, and it is then broadcast to all computers on that subnet. For this method to be successful, all intervening routers must be configured to forward subnet-directed broadcasts. During this broadcast, the computer that has the MAC address specified in the wake-up transmission will respond. More: http://technet.microsoft.com/en-us/library/bb632807.aspx
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November 3rd, 2012 9:29am

No, net yet our network guys think our switches are too old and it doesn't know how to handle the UDP traffic, as of right now the port has been closed and WOL is not functional in ConfigMgr OK, I'll close this off, create a new thread when you've discounted your hardware as being the issue. Might help, if your switches cannot support the UDP 9 magic packet you can look at third-party wakeup solutions that will generate the broadcast directly on the targeted subnets without the need for the switches to forward the actual wakeup packet around.
November 26th, 2012 5:22pm

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