Date: Wed, 2 Jun 1999 17:34:58 -0700 (PDT) From: Brad Tucker <zvi@zvi.t-networking.com> To: cjclark@home.com Cc: Dan Busarow <dan@dpcsys.com>, freebsd-questions@FreeBSD.ORG Subject: Re: 2 ethernet cards Message-ID: <Pine.BSF.4.05.9906021731320.626-100000@zvi.t-networking.com> In-Reply-To: <199906030029.UAA18383@cc942873-a.ewndsr1.nj.home.com>
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what if I changed the ifconfig to read: ifconfig_ed0 -inet 206.117.19.2 netmask 255.255.255.224 (1-31 usable?) ifconfig_ed1 -inet 206.117.19.126 netmask 255.255.255.192 (65-126 usable?) wouldnt this free up some space for more hosts? Thanks, Brad On Wed, 2 Jun 1999, Crist J. Clark wrote: > Dan Busarow wrote, > > On Wed, 2 Jun 1999, Brad Tucker wrote: > > > I am trying to use 2 ethernet cards in my FreeBSD box. I compiled the > > > kernel to use ed0 and ed1. This all works fine, and when I start the > > > machine it recognizes them fine. The problem Im having is I want to set > > > the FreeBSD box up as a router. I want the address for ed0 to be > > > 206.117.19.2, and it is. When I try to configure ed1 to be > > > 206.117.19.126, it doesnt work. Can I have two ethernet cards on the same > > > network, and in the same box. I have half a class c > > > 206.117.19.0-206.117.19.128. I dont want to use ip masq. or a firewall. > > > > In /etc/rc.conf set > > > > router_enable="YES" > > > > Then you need to fix the netmasks on the two cards. Your rc.conf > > lines should look like > > > > ifconfig_ed0="inet 206.117.19.2 netmask 255.255.255.252" #0-4, 1&2 usable > > ifconfig_ed1="inet 206.117.19.126 netmask 255.255.255.192" #64-127, 65-126 usable > > > > Notice that you will lose almost half of your address space doing this. > > I was suprised that no one seems to have mentioned the futility in > doing all of this. The original poster is trying to cut down on > cross-talk (if I understood correctly), but he is instead putting two > interfaces on this wire where he only really needs one. How is this > "routing" (I think he is actually interested in switching) going to > help with his problem? All of the network traffic, actually more, is > still going to be there. > > -- > 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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