Date: Thu, 08 Apr 1999 17:21:17 +0000 From: Adam Nealis <adamn@csl.com> To: freebsd-questions@freebsd.org Subject: routed/gated confusion Message-ID: <370CE58D.540A4DF3@csl.com>
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OS: FreeBSD 3.1-RELEASE
Although I've been doing UNIX for several years, I've always
managed to avoid learning about routes, etc. No more 8(.
I've read the on-line handbook, the FAQ, searched the mail
list archives and I'm still awaiting delivery of my copy of
"Complete FreeBSD". But I'm still unclear on a couple of
things. Mainly to do with when/why I should use routed or
gated. And then how to tell them to do what I want them to
do.
I have two PCs with 'BSD 3.1 on 'em. They are both dual
homed. Call them IN and OUT, with their "NIC names" IN-e0
IN-e1, OUT-e0 OUT-e1.
I want these two to function as routers. Specifically, to be
screening routers in a test bed network I'm setting up to
play with firewall configurations. So I have:
OUT | IN
___________________________________________
e0 192.168.0.1 | e0 192.168.0.4
e1 192.168.1.1 | e1 10.0.0.1
___________________________________________
and the layout is like this:
"Internet end" "LAN
end"
_________ ________
192.168.1.0 ----- |e1|OUT|e0| ------- |e0|IN|e1| -----
10.0.0.0
--------- --------
I obviously need to set up routes on each machine so that I
can ping 10.0.0.1 from machine OUT, and also ping
192.168.1.1 from machine IN. So how do I do this? If I
understand correctly I only need static routes, no? I can't
work out from the /etc/rc{,.conf} stuff how this is supposed
to be done.
o Should I be using gated or routed?
o If I use routed, how do I get the routes into the kernel
at boot time (man routed is vague [to me] on this) - do I
just run route add ... a few times?
o If I use route add, what do I add? Where do I put these
commands so /etc/rc runs them?
o How do I stop routed from trying to send to the mcast
224.0.0.0 network?
TIA,
Adam.
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