I have two LANS connected by two different pipes:
------------- -------------
LAN 1 --|--eth0 eth1-|-- VPN link --|-eth1 eth0--|-- LAN 2
| | | |
| | | |
| | | |
| eth2-|-- T1 Link --|-eth2 |
------------- -------------
VPN - Link over the Internet 3mb Fiber
T1 - Fractional - equaling 256k bandwidth
I am looking to have a dominant route between LANS over the VPN link. The T1
Link is a backup. My questions are the following:
If I do a split access between the VPN and T1 links giving weight of a 1 to
the VPN and a weight of 2 to the T1 link and I should loose either
connection am I correct to say that I will still suffer loss of connections.
I am assuming that the weighting option being round robin is not ideal for
redundant setups. Is it primarily for load balancing? Am I wrong here?
Second question, would it be a better solution to tie the links together for
load sharing as chapter 10 states in the Adv-Routing-HOWTO?
My problem is not load, but routing for unlike redundant lines. I could care
less if anything goes across the T1 link unless the VPN link goes down. The
idea is to have the Linux boxes eliminate manual re-routing in the event of
a link failure. Maybe I have missed the ideal setup altogether.
Any point in the right direction would be a great help.
Thanks much in advance,
Doug
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