WOL is unfortunately terribly deficient in that the spec. never envisioned the possibility of a need for wake on WAN.
Bottom line, it's a non-routeable layer 2 protocol. Your choices boil down to the helper address nightmare you describe or proxy servers on every subnet. Owen On Dec 13, 2010, at 8:08 AM, Berry Mobley wrote: > Hello... > > I'm trying to get a handle on implementation of wake-on-lan in an enterprise > environment. Cisco gear, lots of subnets. I've made it work with directed > broadcasts, but I'd really rather not have 40 or 50 'ip helper-address > x.x.x.bcastaddr' statements on the vlans with the SMS servers. > > Are there any enterprises that are doing this for large (100+) numbers of > subnets? I can't find a single example anywhere with more than 2 networks. > > I've searched the Cisco-NSP archives as well with no luck, but maybe I didn't > go back far enough. > > Thanks for any help you can provide. > > Berry Mobley >