Sniffer® Portable Professional User's Guide - NetScout

Displaying Captured Data
2 Use the Automatic Filter Type Selection dropdown in the Decode
toolbar to specify which portion of the packet you want to use as a
filter (Figure 8-4).
Figure 8-7. Selecting the Automatic Filter Type
You can select from the same options available for Automatic
Display Filters, as described in Table 8-4 on page 169.
3 Click the Quick Filter button .
The Sniffer sifts through the packets in the active tab, looking for
matches. Then, it returns the matching packets, either in a new tab
at the bottom of the display window (b in Figure 8-6 on page 172),
or by “selecting” all matching packets in the Summary pane (a in
Figure 8-6 on page 172). You choose which action the Sniffer takes
by setting the options in the Display > Display Setup > Packet
Selection tab (see Display Setup > Packet Selection Options on
page 183).
Combining Filter Components (“Add to Last Filter”)
You can use the Add to Last Filter button to add a new filter
component from the currently selected packet to the last filter used in
the Define Filter dialog box.
For example, if the last filter you created was based on the Source Port
in the selected frame, you could add source and destination addresses
to the same filter by setting the Automatic Filter Type Selection
dropdown to IP Addresses and clicking the the Add to Last Filter
button.
To use the Add to Last Filter button:
1 In a Decode tab, select the packet to use as a filter source.
User’s Guide 173