Please help if you experiencing similar issues as I have no idea where to even start troubleshooting. Have a look above, IPSec issues have been discussed before. Downgraded from "Stable" 6.48 to Long-Term 6.46.8 and IPSec IKEv1 issues disappeared. I guess I was just lucky not getting prob...
After upgrading all our routers (mix of different models: CCR, RB1100AHx4 and CHR) bumped into an issue that IPSec tunnels (GRE based) after Phase 1 is expired Phase 2 fails to form. Before upgrade those tunnels were rock solid for the last 3+ years and survived multiple upgrades. Active peer shows ...