In this lab, we’ll capture
packets from a simple web
request from a client PC in a
home network to a
www.google.com server.
Within the home network,
the home network router
provides a NAT service, as
discussed in Chapter 4.
Figure 1 shows our
Wireshark trace-collection scenario. As in our other Wireshark labs, we collect a
Wireshark trace on the client PC in our home network. This file is called
NAT_home_side2
home network
ISP network
NAT router
trace file: NAT_ISP_side trace file: NAT_home_side
Figure 1: NAT trace collection scenario
. Because we are also interested in the packets being sent by the NAT