Title: Linux high availability routing

I have read http://lartc.org/howto/lartc.rpdb.multiple-links.html and i'm wondering...

1. What is the effect of a load balanced router on the LAN's total throughput? If you have 2 WAN links, each with a
        CIR of X kbps, do you get a total CIR of 2X kbps or just X kbps?

2. What is the uptime/downtime notification scheme of an ethernet interface? If you have 2 ethernet WAN interfaces
        configured with the same weight and you have an X amount of data to be routed, each interface/gateway/ISP will handle

        approximately X/2 data amounts. Normally, we test the redundancy of these setups by unplugging the physical links.

        Consider this scenario; Everything is good up to the WAN gateway and the problem is somewhere b w/in the ISP's core network.    Our router has no way of knowing that the link is already down.

        Asssuming that this scenario happens, X/2 of my data is being dropped?

Joseph


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