Date: Wed, 21 Nov 2001 12:16:10 From: "Thor Legvold" <tlegvold@hotmail.com> To: gjb@gbch.net Cc: freebsd-questions@freebsd.org Subject: Re: Network setup questions Message-ID: <F86KbpG1KiaexdDAO2R0000ea33@hotmail.com>
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Hi Greg, >First, don't cross-post; stick to freebsd-questions for now. Done. >Second, what is your question? How to set up mpd-netgraph to connect over a wireless wan with pptp to an ISP. Failing that, how to set up any available pptp client to do the same - get on the net via my ISP. Details: The existing WAN was setup by the ISP so that *any* WaveLan cards (which they provide as part of their broadband package) within range of their antennae would automatically get an IP via DHCP (10.10.2.0/24 range). They in turn run NAT on the subnet, thus giving anyone with a WaveLan card direct internet access, no other authorization or configuration needed. As the ISP is new and noone else in the area offers or carries this equipment, it's worked fine up to now. I set my home LAN up to use this and it's worked fine. Because the situation is changing, the ISP is switching over to another system (VPN). They have a linux PPTP server at 10.10.1.1 (i.e. still on their local WAN), all WaveLan cards still get an internal IP (10.10.2.0/24) via DHCP as before, but their NAT is now turned off/disabled. So anyone with a WaveLan card can still get an internal IP, but you can't get to the internet or do anything without going through the VPN/PPTP server. In order to access the internet now, one has to (after doing the DHCP stuff mentioned above to get on the local WAN): contact/connect to the PPTP server (10.10.1.1), login and authorize (chap and/or pap) and dynamically receive a *routable* IP (as I recall they have 213.225.121.0/24 range available) from the pool the ISP owns. Then one (as far as I know) is online and can use the internet as usual. I had/have my home LAN set up on 192.168.128.0/24 and use the FBSD box as a gateway/dual homed host for the LAN, using a dc0 card for the LAN and the WaveLan (wi0) for the internet (outside network). I run ipfw and natd to allow all the machines at home acccess to the net via the FBSD gateway. I've had some small problems with natd & ipfw (natd complains about "cannot write back" in some cases), and am currently looking into the ruleset to fix this. I've tried testing my setup with closed and open firewall, but cannot seem to get anywhere. I can post my mpd.conf, mpd.links and mpd.log if that would help. Regards, Thor _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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