On Thu, 13 Jan 2011, tony.chamberlain@xxxxxxxxx wrote: > So how do I set up the ptp instead of topology mode? > Is that ethernet bridging, which was the only option I saw? > Or do I even want to change from topology? You'll have to ask an OpenVPN forum. > > -----Original Message----- > From: Jan Just Keijser [mailto:jan.just.keijser@xxxxxxxxx] > Sent: Wednesday, January 12, 2011 07:47 PM > To: 'James Carlson' > Cc: tony.chamberlain@xxxxxxxxx, linux-ppp@xxxxxxxxxxxxxxx > Subject: Re: ppp / open vpn > > James Carlson wrote: > > On 01/12/11 16:17, Jan Just Keijser wrote: > > > >> James Carlson wrote: > >> > >>> The whole point of a point-to-point interface (of any type; PPP, tunnel, > >>> or otherwise) is that it connects two distinct IP nodes. Distinct. Not > >>> one IP node to itself! > >>> > >>> > >>> > >> This is another trick of OpenVPN to assign "linear addresses" to clients > >> while using a PtP (tun) interface. It is enabled in OpenVPN 2.1 (and > >> openvpnas, which is based on 2.1) by using the > >> topology subnet > >> directive. > >> > > > > That's simply frightening. Thanks for the update; I had no idea anyone > > was relying on that sort of undocumented OS feature. > > > > Good luck getting a routing protocol to work reliably with that ... > > > > > actually, this mode is not used in combination with routing protocols. > 'topology subnet' is used primarily when multiple clients are connecting > to a single server. OpenVPN also support a "point-to-point" mode (for > lack of a better term), which does follow the regular PtP semantics. > Running a routing protocol in that mode is just as easy as running one > over a ppp-based link. > > HTH, > > JJK > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ppp" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-ppp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
