Date: Thu, 17 Apr 2003 11:39:55 -0600 From: Brett Glass <brett@lariat.org> To: freebsd-net@freebsd.org Subject: Userland PPP/PPTP tunneling problem Message-ID: <4.3.2.7.2.20030417113242.02aeac20@localhost>
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I've got an interesting problem that I'm not sure how to solve. Here's the situation. A FreeBSD router is set up to allow a host outside, on the Internet, to tunnel into a LAN via PPTP. The router is running PoPToP and FreeBSD's userland PPP. The internal LAN uses the addresses 192.168/16, and the internal interface of the router is configured with the /16 subnet mask. When the client (which is running Windows) connects, it's given a fixed IP, specified in the ppp.secret file, corresponding to the user who is tunneling in. But the client's routing table has a routing table entry that directs packets for 192.168/24 (NOT /16) to the PPTP connection. I can't find a way to cause userland PPP to tell the Windows client that it should be using a different subnet mask. (There's no way to specify one in the ppp.secret file.) How is this done? --Brett Glass
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