On Wed, Dec 20, 2006 at 05:11:42PM +0100, Peter Allgeyer wrote: > Seems that there is the possibility for two PCI-Slots in that case. So > you're able to use dual- or even quad-port ethernet cards with it.
It's a mechanical fit issue (NICs colliding with motherboard heatsinks? or
drives? I forget). It might also require special PCI slot risers --
unfortunately,
http://lib.store.yahoo.net/lib/directron/C147600TOP.jpg
no way to check save of actually plugging things in. It certainly didn't work
with the original 3.5" hard drives, which is why I didn't install them in
the last place (by the way, don't run 3.5" hard drives in that Travla C147 case,
since there is not enough airflow -- I'm pretty sure those PATA Maxtors
rated for 24/365 use died one after another due to overheating).
At worst I can just configure the firewalls identically, and use
VLANs on the main switch to switch over manually, should one fail.
Not exactly zero downtime, but much better than just relying on
soft firewalls as now.
> Besides that, I can't recommend a HA design with two machines in the
> same case. In case of a failure, you want to change hardware without
> shutting down both firewalls, don't you? Go out and buy two separate
I can actually pull it out and do brain surgery on the other machine
without disturbing another. In case the node actually dies I will probably
switch to a backup firewall, which will be in place by then.
> machines and you're well prepared.
Sorry, not enough money so far. Hardware keeps dying, not enough customers.
Apropos of dead hardware, if anyone is looking for a reasonable Level 2
24-port GBit Ethernet switch,
http://www.netgear.com/Products/Switches/SmartSwitches/GS724T.aspx
is a good value for the money. Can handle jumbo frames, has some bugs fixed in
recent firmware,
so be sure to upgrade (make sure your model is a v2). Netgear is usually
consumer crap, but this particular switch seems to be usable (don't
blame me if it doesn't work for you, though).
--
Eugen* Leitl <a href="http://leitl.org";>leitl</a> http://leitl.org
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