I checked my loopback address and verified the current routing table. I added a route to the ISP's loopback address and informed both Relay2 and ISP of my stable node address. I verified reachability to both Relay2 and ISP's loopback addresses. I added a route to 80.81.0.1/32 as requested by Relay2 and confirmed its reachability. I informed Relay2 of the route addition and verification, and reported completion of all tasks. This ensured full global reachability for my customer ISP via my provider Relay2.