Link Aggregation - External interfaces
I have a single external interface right now from one ISP. I am getting a fiber connection run from a second ISP soon. Can I use Link aggregation on the two external interfaces for expanded bandwith/redundancy. It mentions you need to run the interfaces though a switch with LACP. Is this true with external interfaces as well? If so, how would this work?
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Hi @SkyJaxx
Link Aggregation won't combine the two interfaces into one. LAGs will generally be used to support single connections that exceed the capacity of one port on the firewall or where redundancy is required for that link.
You'll want to look into SD-WAN, which is a software-based routing solution that automatically distributes network traffic across multiple WAN connections based on policies you define.
(About SD-WAN)
https://www.watchguard.com/help/docs/help-center/en-US/Content/en-US/Fireware/policies/sd_wan_routing_about.html
-James Carson
WatchGuard Customer Support