Subject: Re: SE/30 as a network router?
To: None <firstname.lastname@example.org>
From: Nuno Teixeira <email@example.com>
Date: 02/08/2007 23:44:58
Today I've tried to connect both cards on SE/30 but it doesn't work.
MacOS 7.5 reports an error about TCP and NetBSD only detects Asante
and not Farallon.
Anyone knows why? I've read about a guy with 2 devices (vga card and
accelarator) attached to an Asante card.
On 2007/02/08, at 01:34, firstname.lastname@example.org wrote:
> It's entirely possible to set up NAT with only one NIC, but for it to
> be truely secure you'd need "personal" firewalls on each machine to
> block traffic coming in from the internet (no thanks to ARP spoofing
> and whatnot). If you use a switch instead of a dumb router the risk
> will be minimal as well.
> NetBSD has pf, which is amazingly simple to set up for this task. I've
> only done it with two or more NICs, but I'm quite sure it would take
> minimal changes to make it work with only one.
> I say go for it :)
> If I had another NIC I'd be using my Centris 650 as a router. More
> than enough computing horsepower for simple networks, although if you
> have a huge network the ARP tables and DHCP (if you use it) tables
> will max out the RAM pretty quick. Each open connection eats up memory
> moreso than CPU power. I used a 486-66DX2 as a router for a long time
> without any preformance difference vs. what I use now. But this was
> before bittorrent came along...
> Best of luck!
> Michael Griffith
> On 2/7/07, Nuno Teixeira <email@example.com> wrote:
>> First I'm sorry because I don't express myself correctly. I was
>> thinking wrong about what I really want to do.
>> I will be more precise now:
>> First I want to give a job to do to my SE/30 and I think that a SE/30
>> as a gateway or NAT is a good start to my home network. I have
>> already Apache ready for future use too.
>> I think that I can connect 2 NICs on my SE/30 ataching a Farallon in
>> a Asante passthrough slot. Maybe I get no space inside SE/30 but then
>> I will remove the external case.
>> I will test in NetBSD to see if both are recognised correctly and
>> then I will configure it as a NAT server.
>> Could you give me your oppinion about this?
>> Nuno Teixeira
>> On 2007/02/06, at 04:14, der Mouse wrote:
>> >> I'd like to know if it is possible to make a SE/30 work as a
>> >> router. I've read about NAT but it says that we need two NICs
>> and SE/
>> >> 30 only have one.
>> > This is mostly true, I'm afraid. (There are some exceptions -
>> such as
>> > the case where you have an 802.1q-capable switch and NIC, where you
>> > can
>> > set it up as a trunk line and route between vlan interfaces -
>> but if
>> > you know enough to set that up and make it work right you wouldn't
>> > need
>> > to ask this.)
>> > It *is* possible to have a single-interface machine route between
>> > different subnets running in the same broadcast domain ("on the
>> > cable", except that these days Ethernet isn't a bus technology any
>> > longer, so the term is inaccurate). This still inflicts most of
>> > problems of not routing, so it's of questionable value. (It may
>> be a
>> > right answer for you, depending on why you want to route.)
>> >> I have a cable connection and I have a switch/hub. Currently I
>> >> a PM G4 (MacOSX) sharing my connection with only one NIC so I
>> >> it is possible to do it on a SE/30, I'm I right?
>> > I'm not clear what you're trying to end up with - that is, what
>> > problem
>> > you think turning your SE/30 into a router would solve. Most of
>> > scenarios I can imagine end up with your box being not just a
>> > but also a NAT system (or an application-level proxy, in which case
>> > it's not really a router in the usual sense of the term).
>> > I can't see any reason, except possibly performance, why your SE/30
>> > would be unable to handle what your G4 can...but that's speaking
>> > conceptually; whether the software can do it out of the box is a
>> > completely different question.
>> > /~\ The ASCII der Mouse
>> > \ / Ribbon Campaign
>> > X Against HTML firstname.lastname@example.org
>> > / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
>> Nuno Teixeira