Thursday, November 26, 2020

Active/Active Datacenters

Currently we have 1 datacenter where we host our servers and firewalls, now we're looking into adding a new datacenter into the mix on a separate location.

There's a darkfiber running between the 2 datacenters, but I'm a bit in doubt what would be the way to go to interconnect both datacenters. The goal will be to have an Active/Active setup where DC1 can be reached from DC2.

Should I connect the darkfiber to our firewall clusters so the firewall can take care of the routing, or should i connect it to the switches (making them L3)? DC1 has Juniper EX4550 switches, DC2 has Cisco Nexus switches.

My idea and how I'm currently setting this up:

DC1 ip range 10.0.20.0/24, DC2 ip range 10.1.20.0/24 both connected to their firewall cluster which handles routing with the darkfiber connected to it. That way if host 10.0.20.101 needs to connect to 10.1.20.201 it's handled by the firewall.

Would this be the ideal scenario, or am I missing something?



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