Re: [B2-devel] Ethernet/Internet Networking?

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<P>For easy access, I have accumulated the information about networking through the tun device on this page:</P>
<P><A href="http://www.ou.nl/open/hsp/engels/SheepShaver_Help/networking_2_6.htm">http://www.ou.nl/open/hsp/engels/SheepShaver_Help/networking_2_6.htm</A></P>
<P><BR>Howard</P></DIV>
<DIV></DIV>&gt;From: Erik Arnson &lt;ea...@gm...&gt; 
<DIV></DIV>&gt;Reply-To: bas...@li... 
<DIV></DIV>&gt;To: bas...@li... 
<DIV></DIV>&gt;Subject: Re: [B2-devel] Ethernet/Internet Networking? 
<DIV></DIV>&gt;Date: Sat, 10 Jul 2004 10:43:52 -0500 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Actually I did a hack job of it.&nbsp;&nbsp;Here's what I did to get it working: 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;1) Edit kpx_cpu/sheepshaver_glue.cpp add a line near the top that says 
<DIV></DIV>&gt;"#define WORDS_BIGENDIAN".&nbsp;&nbsp;This, I assume, tricks the compiler into 
<DIV></DIV>&gt;thinking we're using a big endian processor. 
<DIV></DIV>&gt;2) Compile 
<DIV></DIV>&gt;3) Following Gwenole's instuctions I modified my config with his settings. 
<DIV></DIV>&gt;4) The Internet still didn't work.&nbsp;&nbsp;Thanks to Google I think I found 
<DIV></DIV>&gt;my problem.&nbsp;&nbsp;ARP.&nbsp;&nbsp;How to fix? 
<DIV></DIV>&gt;Eth0 is my NIC to the router and tun0 is my tunnel.&nbsp;&nbsp;These commands 
<DIV></DIV>&gt;enable proxy ARP and IP forwarding.&nbsp;&nbsp;I'm not sure you'll need the last 
<DIV></DIV>&gt;two or any of them at all.&nbsp;&nbsp;But, they're here to save you headachs ;). 
<DIV></DIV>&gt;&nbsp;&nbsp;If you find that you DID need them all please tell me. 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;echo 1 &gt; /proc/sys/net/ipv4/ip_forward 
<DIV></DIV>&gt;echo 1 &gt; /proc/sys/net/ipv4/conf/eth0/proxy_arp 
<DIV></DIV>&gt;echo 1 &gt; /proc/sys/net/ipv4/conf/tun0/proxy_arp 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;If you have anymore questions feel free to post.&nbsp;&nbsp;I'd *LOVE* to save 
<DIV></DIV>&gt;someone the 3 days I spent on this! 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;-Erik Arnson 
<DIV></DIV>&gt;----- Original Message ----- 
<DIV></DIV>&gt;From: howard spoelstra &lt;how...@ho...&gt; 
<DIV></DIV>&gt;Date: Sat, 10 Jul 2004 10:36:50 +0200 
<DIV></DIV>&gt;Subject: Re: [B2-devel] Ethernet/Internet Networking? 
<DIV></DIV>&gt;To: bas...@li... 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Hi Gwenole, 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Could you be a bit more specific about the changes to be made to 
<DIV></DIV>&gt;kpx_cpu/sheepshaver_glue.cpp ? 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;A code snippet would be great! 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Best wishes 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Howard 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;From: Gwenole Beauchesne &lt;gb...@di...&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Reply-To: bas...@li... 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;To: bas...@li... 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Subject: Re: [B2-devel] Ethernet/Internet Networking? 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Date: Sat, 10 Jul 2004 07:36:42 +0200 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Hi, 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;&gt;How does one use tun/tap to get SheepShaver to connect to the net? 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;&gt;I've spent 3 days on it and can't figure it out at all.&nbsp;&nbsp;Sorry to 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;&gt;be a 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;&gt;bother =/. 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;First, if you build SheepShaver from sources yourself on a non big 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;endian system (e.g. x86), ethernet support is not enabled by 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;default, you will have to change kpx_cpu/sheepshaver_glue.cpp for 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;that. 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Second, I got the TUN virtual device working only at home through a 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;DSL connection (ethernet modem). 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Make sure you have the following prefs items set up correctly in 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;~/.sheepshaver_prefs: 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;ether tun 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;etherconfig /path/to/tunconfig 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Make sure you have sudo working for your user for the following 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;binaries: 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;/sbin/ifconfig 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;/sbin/iptables 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Or you will have to run SheepShaver as root or run tunconfig through 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;a wrapper script that calls kdesu or whatever. 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Next, in the MacOS side, set up a static IP in this form: 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;172.20.XX.2 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;Where XX is generally 40, you can check that with /sbin/ifconfig for 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;the IP of the tun0 device. Use another IP in that network. 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt; 
<DIV></DIV>&gt; 
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<DIV></DIV>&gt; 
<DIV></DIV>&gt; &gt;bas...@li... 
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<DIV></DIV>&gt; 
<DIV></DIV>&gt;-- 
<DIV></DIV>&gt;-Erik Arnson 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
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