User Manual

Using Diagnostic Tools
Chapter 14: Maintenance 409
Filter String Syntax
The following represents a list of basic filter string elements:
• and on page 409
• dst on page 410
• dst port on page 410
• ether proto on page 411
• host on page 412
• not on page 412
• or on page 413
• port on page 413
• src on page 414
• src port on page 414
• tcp on page 415
• udp on page 416
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.
SYNTAX
element and element [and element...]
element && element [&& element...]