I thought I had it figured out and was just missing one piece. Brian provided me with the missing info. My assumptions were wrong. Now I need to find software that will do what he described.
On Wed, 2009-09-23 at 18:51 +0300, David Knell wrote: > I don't think it's trivially possible, unless you can stick the PBX > between the DHCP server and the rest of the network. The reason is that > DHCP reply packets are not broadcast, but sent back to the MAC address > of the originator, so your Ethernet switch won't even let your PBX see > the replies. > > Even if it could see them, add something to them and retransmit, the > client will almost certainly already have seen the original reply and > would be likely just to ignore the later one. > > Any reason why you can't just ask them to add that option to their > existing DHCP server? > > And how do you know it's done, and, if you've figured out how to do it, > could you share? > > --Dave > > > Hello all, > > I know this is done and I think I figured out how to do it but I don't > > want to reinvent the wheel so here goes. I am looking for a program > > that will sit on the PBX. This program will intercept DHCP reply > > packets destined for phones, inject "option 66" into the packet and > > release it back onto the network. > > > > Some of you might be wondering why I want a program like this. Simple. > > Lazy clients. They don't want to mess with their network infrastructure > > to assist us with automated deployment of SIP devices. They also don't > > want 50-100 devices connecting to an off site server downloading 20-40MB > > of firmware on a reboot. > > > > The PBX is not hard coded with an IP address. It's DHCP. They were > > willing to allow the PBX on the network and assign it a static DHCP > > address. > > > > Is what I am looking for not possible? Does someone have a sensible > > solution that doesn't involve dropping the client (yes someone suggested > > that)? > > > > Thanks in advance for any help you can give. > > > > DigiLord > > _______________________________________________ > > FreeSWITCH-users mailing list > > [email protected] > > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users > > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users > > http://www.freeswitch.org
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