I have 2 dsl lines and would like to be able to offer some form of
redundancy for my web servers. it does not have to be high tech and I
prefer a solution that does not require co-operation from each of the
2 isp's. I want something that works anywhere. My idea is to put my
primary dns server on one line, and secondary on the other, so if my
primary line goes down, new traffic will go to the other line. I know what
the problems are with the setup but the point is that it is easy to do
and it doesn't require anything on the part of my isp's
the problem is what goes on after that. i got iproute2 working such that
i can pull pages from either dsl line, with 2 nics in each machine, 1
router per dsl line, and separate hubs. but the machines cannot communicate
with each other unless they go out to the internet and back on the other
line. I have tried eveyr configuration, i begged, I pleaded, i kicked the
computers a few times, etc. sometimes it works for a few days then suddenly
it stops. only sends one ping, only works in promisc mode, you name it,
I got the symptoms.
so how should I set this thing up? I am willing to build my own linux
router, and I have 2 switches and 3 hubs, plus hubs on the routers (one
router is a netopia 7100 and it supposedly supports 2 dsl lines).
here is what i need:
1. ability to access certain machines (web servers) from the internet
through either dsl line. don't care if I need 2 nics per machine,
separate hubs, an extra router. whatever it takes.
2. communication between the machines without going out to the net, and
without all the flakiness
3. an internal lan with machines that do not have to be reachable from the
net, such as my database and desktop machines. I want this to be on a
100mbit connection for better performance; my big hubs are 10mbit. my
small switches are 10/100 (5 & 8 port)
4. not require cooperation from isp
5. not cost me thousands of dollars in software
I would consider a central file server with www servers on each connection
reading from one central internal machine with all the www docs, but the
performance just transferring files has been sub-par (tried nbd)
any help or advice?
dtiberio
also I have 2.0 and 2.2 machines. would upgrading solve this problem?
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