Date: Wed, 14 Feb 1996 16:41:16 -0500 (EST) From: Keith Mitchell <kmitch@cray-ymp.acm.stuorg.vt.edu> To: questions@freebsd.org Subject: proxy ARP on ethernet?? Message-ID: <199602142141.QAA03122@cray-ymp.acm.stuorg.vt.edu>
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I can't seem to get proxy ARP to work on a system that has two ethernet interfaces in it (only one ip address though). I want this machine to be able to route packets to and from the other two machines hooked up to the second ethernet interface. The main problem is that I can't make the server machine connect to both interfaces. ie I can't access hosts off both interfaces at the same time. Because of this the packets aren't getting routed correctly. Usually, I can connect to hosts off of ether0, but not ether1. Below is a small diagram of how everything is layed out. If someone has this working, could you provide me a little insight on what I am doing wrong?? I can't simply run routed, since the hub only wants to see one MAC address. BTW I am using 2.1.0R (the hostnames/ip/ether names are pseudo). --------------- | Gateway | | to internet | | 10.10.10.1 | --------------- | --------------- | Hub | --------------- | ---------- | ether0 | ---------- | --------------- | Server | | 10.10.10.7 | --------------- | ---------- |------------------| ether1 |-------------------| | ---------- | | | -------------- -------------- | Host A | | Host B | | 10.10.10.8 | | 10.10.10.9 | -------------- -------------- here are the ifconfig/route/arp commands I used: ifconfig ether0 10.10.10.7 route add default 10.10.10.1 ifconfig ether1 10.10.10.7 arp -s hosta ether0 pub arp -s hostb ether0 pub route add hosta 10.10.10.7 -interface route add hostb 10.10.10.7 -interface -- Keith Mitchell | The real danger is not that computers will Chesapeake/Blacksburg VA | begin to think like men, but that men will kmitch@infi.net | begin to think like computers. kmitch@csugrad.cs.vt.edu | -- Sydney J. Harris
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