User Manual Part 2

Table Of Contents
Using Diagnostic Tools
Chapter 23: Maintenance 709
Filter String Syntax
The following represents a list of basic filter string elements:
and on page 709
dst on page 710
dst port on
pa
ge 710
ether proto on page 711
host on page 712
not on
page 712
or on page 71
3
port on
page 713
src
on page 714
src port on p
a
ge 714
tcp on page 715
udp o
n
page 716
For detailed information on filter syntax, refer to http:
//www.tcpdump.org.
and
PURPOSE
The and element is used to concatenate filter string elements. The filtered packets must
match all concatenated filter string elements.
S
YNTAX
element and element [and element...]
element && element [&& element...]
P
ARAMETERS
element
String. A filter string element.