On Sun, Feb 04, 2007 at 04:31:52PM -0500, celejar wrote: > On 1/28/07, Douglas Allan Tutty <[EMAIL PROTECTED]> wrote: > > [snip] > > >Hi Celejar > > > >Let me try to draw this out and see if I've got it right: > > > > +--------+ +--------+ +--------+ > >internet | molly | 192.168.1.0 | lucy | 192.168.2.0 | laptop | > > |.168.1.1| 255.255.255.0 |.168.2.1| 255.255.255.0 |.168.2.2| > > | | |.168.1.2| | | > > +--------+ +--------+ +--------+ > > > >On lucy, you set it for ip forwarding. You install the ipmasq package > >which does the masquarading out of the box. You can also install the > >dnsmasq package which does caching dns service out of the box. > > > >On the laptop you tell it that your gateway and also your dns > >server is 192.168.1.1 > > > >Molly will only see traffic coming from lucy because lucy will masqurade > >it. > > > >Lucy will of course need two ethernet cards unless you're using a serial > >null-modem and going ppp (been there, done that, works great). > > > >I've done this all the time, especially when ethernet switches were > >expensive and not all my boxs had ethernet cards. Don't let the NAT on > >lucy bother you. The ipmasq package does its job just fine with no > >tweaking. If you _want_ it can also serve dhcp but I always set up > >stuff manually. > > > >Put all three boxes into all three box's /etc/hosts file. Test it out > >with ping. > > > >Enjoy. > > > >Doug. > > You win :). I couldn't get a bridge working properly, so I connected > laptop <-> lucy via a spare switch that I bought specifically for this > purpose. I first tried a straight cable connection, hoping that NICs > (a several year old Realtek card on lucy and an integrated Broadcom on > the laptop) would support Auto-Crossover, but I couldn't get it to > work; either one or both don't do Auto-Crossover, or I did something > wrong. I didn't bother buying a crossover cable since I could get a > new router / wireless AP / switch (with a [straight] CAT5 cable) for > only $20 after rebate from Newegg (less if you have patience to lurk > and hunt for the perfect bargain). > I use shorewall, so to enable NAT I just added /etc/shorewall/masq > with the single line "ath0 eth0", and modified the zones and policy > files appropriately. Voila, seamless net connectivity! You were right. >
I'm glad it worked. Doug. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
