SD-RED 20

I suggest you re-apply the RED config without change as a first attempt to fix it. I've seen it more than once that this "fixes" RED issues.

next step is to tcpdump on XG on interface reds1 tcpdump -i reds1 -n and or packet capture in GUI and find if anything is dropped for some reason.

btw. whats the operation mode of the RED?

Thanks for the reply! The video and documentation I found on sophos state to add the #reds1 on the source. I found this article https://community.sophos.com/sophos-xg-firewall/f/discussions/123216/sophos-xg-17-5-14-1-and-red-60---no-traffic-from-branch-2-head-office and it worked for me. I created an ip network host and added it to the source and everything lit up.

Thanks for the reply! The video and documentation I found on sophos state to add the #reds1 on the source. I found this article https://community.sophos.com/sophos-xg-firewall/f/discussions/123216/sophos-xg-17-5-14-1-and-red-60---no-traffic-from-branch-2-head-office and it worked for me. I created an ip network host and added it to the source and everything lit up.

great that you could solve this by your own (and the help from the post of juergenb52 ).