Date: Sat, 15 Aug 2015 13:05:17 +1000 From: Outback Dingo <outbackdingo@gmail.com> To: James Lott <james@lottspot.com> Cc: freebsd-net@freebsd.org Subject: Re: Ethernet tunneling options under FreeBSD Message-ID: <CAKYr3zxbzouG-zHB9sLH9Gj_o_sKKRZbM5bw6NiTePFAA%2BHMHw@mail.gmail.com> In-Reply-To: <3236701.dypBHjs8Lg@arch_project> References: <55CD1CE6.2010502@lottspot.com> <55CE0659.6050206@freebsd.org> <3236701.dypBHjs8Lg@arch_project>
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On Sat, Aug 15, 2015 at 12:40 PM, James Lott <james@lottspot.com> wrote: > > you haven't really described the network well enough.. > > try an ascii-art diagram (don't forget to set fixed width font :-) > > a VPN required two ends.. one is FreeBSD... what's the other? > > The thing is, the "other" could be any number of operating systems. I'm > looking for a tunneling protocol with good cross-platform representation, > but > the higher priority it enduring it tunnels ethernet frames. > > For the sake of example we can say the other end is a FreeBSD host, since > FreeBSD is looking like the "lowest common denominator" on this topic. > > > if both ends are FreeBSD there are dozens of possibilities.. > > for example: > > ng_eif->netgraph->ppp->ipsec->ppp->netgraph->ng_eif > > > > ng_eif->ng_ksock(udp)->IPsec->ng_ksock->ng_eif > > > > I'm not overly concerned with the host side interfaces. What I'm really > concerned with is the tunneling protocol since that's what will need > support > on all of my platforms. Thus, a solution requiring netgraph on both ends is > not an option in my case. > > > tap->ppp->ppp->tap > > I have not found any ppp implementations under FreeBSD which support BCP. > To my understanding, that's the only method by which ethernet frames can be > tunneled over ppp... if I'm wrong, please do correct me! I would love > nothing > more than to be wrong about that :) > > On Friday, August 14, 2015 23:16:41 Julian Elischer wrote: > > On 8/14/15 6:40 AM, James Lott wrote: > > > Hello list, > > > > > > I am in the process of planning a build out of a L2 VPN, in which > > > I'd like to have my primary "switch" and DHCP server be a FreeBSD > > > system. I would like to join each new host to the VPN by > > > establishing an IP tunnel with the primary "switch" which transports > > > ethernet frames over the tunnel. > > > > you haven't really described the network well enough.. > > try an ascii-art diagram (don't forget to set fixed width font :-) > > a VPN required two ends.. one is FreeBSD... what's the other? > > > > > So far, the only protocol I have found supported by FreeBSD which > > > seems capable of this is EtherIP. As far as I can tell, it doesn't > > > look like there is any support for L2TPv3, and none of the PPP > > > implementations available appear to support BCP. > > > > > > I'm not completely opposed to using EtherIP, but if there is > > > something more modern which will meet my needs, I would probably try > > > that first. So my question becomes: > > > > > > * Does anyone know of a method supported under FreeBSD (other than > > > EtherIP) for tunneling ethernet over IP that they may be able to > > > suggest I check out? > > > > if both ends are FreeBSD there are dozens of possibilities.. > > for example: > > ng_eif->netgraph->ppp->ipsec->ppp->netgraph->ng_eif > > > > ng_eif->ng_ksock(udp)->IPsec->ng_ksock->ng_eif > > > > tap->ppp->ppp->tap > > > > > Thanks for any suggestions! > theres also N2N which is pretty nice, and well ZeroTierOne which is somewhat unique > > > _______________________________________________ > > > freebsd-net@freebsd.org mailing list > > > https://lists.freebsd.org/mailman/listinfo/freebsd-net > > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > -- > James Lott > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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