Wake on LAN in the enterprise
Owen DeLong
owen at delong.com
Mon Dec 13 16:20:20 UTC 2010
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
>
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