HP ProCurve 5300xl Series User Manual

9
Access Control Lists (ACLs) for the Series
5300xl Switches
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
Types of IP ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
ACL Inbound and Outbound Application Points . . . . . . . . . . . . . . . . . . 9-8
Features Common to All ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
General Steps for Planning and Configuring ACLs . . . . . . . . . . . . . . . 9-10
ACL Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
The Packet-Filtering Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Planning an ACL Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-16
Traffic Management and Improved Network Performance . . . . . . . . 9-16
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Guidelines for Planning the Structure of an ACL . . . . . . . . . . . . . . . . 9-18
ACL Configuration and Operating Rules . . . . . . . . . . . . . . . . . . . . . . . 9-18
How an ACE Uses a Mask To Screen Packets for Matches . . . . . . . . 9-20
What Is the Difference Between Network (or Subnet)
Masks and the Masks Used with ACLs? . . . . . . . . . . . . . . . . . . . . 9-20
Rules for Defining a Match Between a Packet and an
Access Control Entry (ACE)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21
Configuring and Assigning an ACL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
General Steps for Implementing ACLs . . . . . . . . . . . . . . . . . . . . . 9-25
Types of ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26
9-1

HP ProCurve 5300xl Series Specifications

General

Brand	HP
Model	ProCurve 5300xl Series
Category	Switch
Language	English