Date: Wed, 12 Apr 2006 19:08:57 +0200 From: "Terrence Koeman" <root@mediamonks.net> To: "'Chuck Swiger'" <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: RE: Faking multiple physical adapters for DHCPDISCOVER Message-ID: <002101c65e53$cae04630$60a0d290$@net> In-Reply-To: <443BD688.8050208@mac.com>
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This is a multipart message in MIME format. ------=_NextPart_000_001C_01C65E64.8C151410 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit > -----Original Message----- > From: Chuck Swiger [mailto:cswiger@mac.com] > Sent: Tuesday, April 11, 2006 6:17 PM > Subject: Re: Faking multiple physical adapters for DHCPDISCOVER > > Terrence Koeman wrote: > [ ... ] > > I need to 'clone' the xl1 adapter to appear as three adapters, each > > with a distinct MAC address. This because my provider has assigned me > > three semi-static addresses of which I want to use 1 for outbound > > NAT-traffic and two for static NAT. > > > > These addresses are semi-static because they are basically MAC-based > > reservations on the providers DHCP server, and it happens to be that > > I'm required to aquire a DHCP lease for all three addresses for > > routing to work properly. If I configure the addresses statically the > > connectivity 'disappears' after a while. > > The reason why your ISP has configured their system in such a fashion is to prevent people from claiming multiple static IPs from a single machine. > > If you're not happy with their AUP, use another provider, or pay for a dedicated IP allocation of whatever size you need. > > -- > -Chuck That's not the case here, I'm actually trying to use less IP's. And besides that my ISP allows up to 16 IP's to be used in their AUP. I have about 5 clients that can share 1 IP with NAT and I have 2 other clients that need to have an IP of their own. If I can have all IP's bound to the server then I can simply NAT the 5 clients and static-NAT the remaining 2. Otherwise I'd need to bridge/route and do NAT at the same time, which is not possible here, because then the 5 NAT-ed clients would need to get their IP's from the local DHCP server and the 2 bridged clients would need to get them from the ISP DHCP server. I could block DHCP from being bridged and do DHCP proxying for the other 2 clients, but it'd make it all much more complicated. -- Regards, Terrence Koeman MediaMonks B.V. 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