
432 Chapter 10 • Requirements For Network Address Translation in Remote Access Networks
1. Router A will NAT translate all packets going to the Internet (for
example, from the inside to the outside) using address overloading.
It will map all 10.1.1.0/24 addresses from Company A to IP
address 192.168.1.254 for outside communication. So, effectively,
the 10.1.1.0/24 addresses within Company A are inside local
addresses and the 192.168.1.254 address is the inside global
address.
2. Router A will also NAT translate the DNS replies from the DNS
server using dual-address translation. When the DNS server sends
a DNS response packet to Company A, Router A will ...