Quick Start Guide

Wireshark Quickstart Guide
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Figure 5 Capture Info Dialog
4) Enable MAC name resolution: This tells Wireshark to
display the name of the manufacturer of the network card
when it lists the MAC address. Figure 6 shows an example
of MAC name resolution with a MAC address generated
from an Asiarock network card (default is on).
Figure 6 MAC name resolution
5) Enable network name resolution: Network Name
Resolution (NNR) tells Wireshark to use names, such as
cnn.com, in the summaries. If NNR is turned off, you will
only see IP addresses in the summary. This setting only
affects the summary. Even with names turned on, you can
easily see the IP address by clicking on the packet and
examining the packet details. However, it is easier to select
packets if the names are available to identify network
servers.
However, this requires Wireshark to perform a DNS lookup
for every IP address. If you are connected to the internet,
this may be trivial. But if you are working offline then you
will need to wait for very DNS lookup to be attempted, and