Red50 multiple wan and XG

The RED Module is quite similar in XG compare to SG. 

So basically this works the same way. 

Keep in Mind, Load Balancing is Round Robin with Connection Pinning. 

Here is the matching KBA:

https://community.sophos.com/kb/en-us/126454

Does this note still apply ?

Balancing: Select to activate active load balancing between both hostnames. Use this feature when the external interfaces that the 1st and 2nd hostnames refer to, have the same latency and throughput.

Or the two uplinks can be of different throughput or latency ?

Does this note still apply ?

Balancing: Select to activate active load balancing between both hostnames. Use this feature when the external interfaces that the 1st and 2nd hostnames refer to, have the same latency and throughput.

Or the two uplinks can be of different throughput or latency ?

Can be used, if they are different.

Just a notice. We are using Round Robin Connection Pinning.

So basically RED will use for Connection 1, WAN 1. Connection 2, WAN 2, Connection 3 WAN1, Connection 4, WAN2. 

And this connection will stay "For ever" on this connection. 

Most likely, if you are "unlucky", you will get 2 large file transfers on the the same WAN connection, and the other could idle. 

That is the mechanism behind this.

And if you have a fast WAN1 and a slow WAN2, your File transfer can be stick to the slow connection.