[gentoo-user] Gentoo router for multiple ISPs?

[Mark Knecht]

Hi all,
   I need to get a second ISP line into the house. I currently have a
cable modem but it goes down once in a while and my work requires
higher reliability so I was thinking of getting a DSL line to
supplement it. I'd like to investigate creating some sort of
firewall/router that could do the following:

1) Load balance between the two lines during the day. I get download
speeds of about 6Mb/S from my current Cable Modem and supposedly about
3Mb/S from the DSL. I'd like to get something like 8-9Mb/S aggregate
from the two together if possible.

2) I need rules that keep certain machines off of the cable modem
during specific hours.

3) I MUST have some sort of AUTOMATIC switch over such that if one
line goes down the second line takes over and runs everything while at
the same time informing me that a line is down. This machine must be
able to test, once a minute or faster, that both lines are up and take
action immediately if something is wrong. It must then correct if the
down line comes back up.

4) I can either use this same machine as a firewall or I can simply
hook it to my existing LinkSys since I'll still need wireless to get
around the house. I figure I'll run the LinkSys inside this Gentoo
machine anyway. I figure I'll want a firewall on this machine since it
will be directly on the net anyway.

   Are features like this available in some sort of package from portage?

   Note that I'd be perfectly happy buying some box for less than
$100-$200 that could do all of this automatically but I haven't found
one yet.

Thanks,
Mark
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