From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Tue Jun 01 2004 - 18:06:10 GMT-3
Anthony,
there's one piece of advise here that I don't understand:
> - Announce address space out of 1 provider and send EGRESS traffic out
> the other. (Allot of people said this was asymmetrical routing but the
> LAN was downstream of both routers doing this so it was quite symmetrical
> by the time it came down into the firewall.)(this was true load balancing
> and I am inclined to think that people who were critical of it were,
> perhaps, just regurgitating something they heard someone else say)
If you announce only via one provider, then all your incoming traffic
will come via that. So you are not using the other provider incoming
bandwith. Same thing reversed with outgoing, so how is multihoming
serving you ?
I admit not having installed huge solutions, but I feel better with
having redundant links to the same ISP and not multihoming.
Less BGP holes out there, far easier to manage link balancing, and the
only thing you are not covered against is your ISP going down.
Ok, that might have a non zero chance, but IMHO, better KISS.
-- Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
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