Packet Filtering - 3Com 4007 Implementation Manual

15
P F
ACKET
This chapter describes what packet filters are, how to create them, and
how to use system utilities to apply them to ports of your Switch 4007
system. The chapter covers these topics:
Packet Filtering Overview
Key Concepts
Important Considerations
Managing Packet Filters
Tools for Writing Filters
Downloading Custom Packet Filters
The Packet Filtering Language
Common Syntax Errors
Custom Packet Filter Examples
Limits to Filter Size
Using Port Groups in Custom Packet Filters
Port Group Management and Control Functions
Long Custom Filter Example
Packet filtering is supported on Multilayer Switching Modules only.
You can control and manage packet filters in either of these ways:
From the
bridge packetFilter
(See the Switch 4007 Command Reference Guide.) You can use the
Administration Console after you log in to the system and connect to
a slot that houses a Multilayer Switching Module.
From the Filter Builder application in the Web Management software.
The Filter Builder Help system serves as its documentation.
ILTERING
menu of the Administration Console.