John Kreno on 11 Dec 2010 11:04:34 -0800 |
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Re: [PLUG] Comcast Cable modem & DHCP |
Yeah, The modem usually will only learn one mac. In order to switch the gear out you have to power cycle that unit to flush the mac table so to speak. I think that it's done to limit the amount of units requesting DHCP off of one CM. On Sat, Dec 11, 2010 at 1:50 PM, Carl Johnson <cjohnson19791979@gmail.com> wrote: > I've never needed to wait that long. > > > > > > > Sent from my Motorola DynaTAC 8000x. > > "Robert Spangler" <mlists@zoominternet.net> wrote: > >>On Saturday 11 December 2010 09:51, Julien Vehent wrote: >> >>> The linksys was bought independently from comcast, and comcast >>should >>> not be aware of its MAC, that's why I was puzzled by the DHCP >>> restriction. Turns out it was only a matter of restarting the modem. >> >>The Comcast modem is only a bridge to the Comcast network. They are >>aware of >>what is connected to their device and it will cache the mac address of >>the >>device that is connected to it. When you change the connected device >>you >>need to do the following to flush the mac address. >> >>Power down the modem and then un-plug it for a minimum of 5 minutes. >>This >>normally flushes the know mac address. If it doesn't then you have to >>wash-rinse-repeat again. >> >> >>-- >> >>Regards >>Robert >> >>Linux >>The adventure of a life time. >> >>Linux User #296285 >>Get Counted >>http://counter.li.org/ >>___________________________________________________________________________ >>Philadelphia Linux Users Group -- >>http://www.phillylinux.org >>Announcements - >>http://lists.phillylinux.org/mailman/listinfo/plug-announce >>General Discussion -- >>http://lists.phillylinux.org/mailman/listinfo/plug > > ___________________________________________________________________________ > Philadelphia Linux Users Group -- http://www.phillylinux.org > Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce > General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug > -- John Kreno "Those who would sacrifice essential liberties for a little temporary safety deserve neither liberty nor safety." - Ben Franklin ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug