A smart IKE implementation on SG2 might consider ping'ing
host E2 to see if it is online before it wastes time setting up an SA
involving E2. The way that this error was reported back to E1 would
have to be standardized
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.