Date: Thu, 3 Jun 1999 22:22:11 -0700 (PDT) From: Brad Tucker <zvi@zvi.t-networking.com> To: cjclark@home.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: 2 ethernet cards (fwd) Message-ID: <Pine.BSF.4.05.9906032213050.450-100000@zvi.t-networking.com> In-Reply-To: <199906040515.BAA01882@cc942873-a.ewndsr1.nj.home.com>
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OK. the cisco router is 206.117.19.1. It takes a class c and subnets it into 2 subnets. this leaves me with 0-127 and 128-255. I get half the class c. my half is 0-127. now strait from the router I plug into the freebsdbox, into ed0 wich is 206.117.19.2. The idea i had was to put two ether net cards itno the freebsd box and make it a router. So i added the appropriate ifconfig entries, and added another ethernet card ed1. Out of ed1 goes to a hub, and out from the hub go all the macintoshes. zvis ethernet card is ed0. What does NATd do and why would I need that. I tried routed, and that doesnt seem to work. Is what im trying even possable. The reason im doing this is to isolate the apple talk network running with netaalk. On Fri, 4 Jun 1999, Crist J. Clark wrote: > Brad Tucker wrote, > > cisco router (206.117.19.1 netmask 255.255.255.128) > > | > > | > > | > > OK, this connection is a bit fuzzy for me... What interface of zvi is > the router connected to? > > > zvi (FreeBSD Box 206.117.19.2) > > ed0 + ed1 installed > > Half the class c goes to ed0 and other half to ed1 > > this is subnetted with ifconfig in rc.conf) > > / \ > > / \ > > ed0 ed1 > > 206.117.19/26 206.117.19.64/26 > > 1-63 Virtual IPs 64-127 IPS for my Mac's > > > > > > > > Why do I need to configure the cisco router. Im subnetting it from the > > FreeBSD box. Do I need do configure the router to, and If i do, what am i > > to tell it?? > > You see, I'm wondering how your router knows to send packets destined > for the subnets to zvi first. The router thinks that _all_ of the > 206.117.19.0/25 network is connected to its 206.117.19.1 interface. It > does not know that a packet for 206.117.19.125 needs to be sent to > 206.117.19.2 to be routed. The router does not send them to zvi, but > will try to find the hosts connected to its interface directly. > > I see two choices: reconfigure the router or run NATd on the FreeBSD > box. > > I did some traceroutes and pings of your setup (I hope you do not > mind), and although they do not absolutely verify my suspicions, the > results were consistent with them. > -- > Crist J. Clark cjclark@home.com > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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