Hello,
Spokes are behind the NAT device with dyanmic IP. The first two tunnels (one spoke ssg5 and the other srx100) come up phase1,2 but third tunnel with third spokes srx100 fail the phase2 with this issue durning rekey process. Can I use the following command for clearing vpn sessions as your comments?
clear security ike security-associations
clear security ipsec security-associations
Thanks
Lay Min