Slide 2 of 5
Notes:
1. Name lookup from A.private.com for X.external.com
a. Name lookup for X.external.com crosses NAT (1-4)
b. Reply crosses NAT (5-6)
2. Reverse name lookup from A.private.com for 171.68.1.1
a. Reverse name lookup crosses NAT (1-4)
b. Reply crosses NAT (5-6)
