The configurations come from the Sample Configurations section of this document. The routers use a pre-shared key. Both routers have the debug crypto isakmp , debug crypto ipsec , and debug crypto engine commands enabled. The blue, italic statements in the following sample debug output are notes to help you follow what is happening, they are not part of the debug output.
Type escape sequence to abort.
20.20.20.20, remote crypto endpt. IKE performs its operation, and then kicks off IPSec. The IPSec SAs are created, and ICMP traffic can flow. 20.20.20.21, remote crypto endpt. Important Notices and Privacy Statement .