Multi-wan + CARP + physical design.
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I've been doing some reading on Multi-wan + CARP setup but I've run into some gaps in logic I can't figure out and just want to be sure before I dive in.
I am still a bit confused when it comes to physical design.
My setup is
ProviderA (gige)
ProviderB (gige)
2x C2758They have each terminated fiber and handed me a RJ45 cable.
I am assuming to get hardware redundancy I would need to then put a switch in front of the 2 pfsenses. plug in each of the RJ45s from the provider and then each of the pfense boxes into the switch (using a total of 4 cables.. 2 from internet, 2 from pfsense)
Thus allowing each to use the appropriate path out based on routing/network IP.
Did I assume right? Or am I way off here.
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The short answer is yes, you need a distribution switch between the provider equipment and the firewalls. You could use two switches, or vlans on a single switch.
