Dhcp Packet Rate Limit Configuration; Dhcp/Bootp Client Configuration; Acl Configuration; Qos Configuration - 3Com 4500 PWR 26-Port Configuration Manual

IP Filtering Configuration Example.............................................................................................. 41-12

42 DHCP Packet Rate Limit Configuration ............................................................................................... 42-1

Introduction to DHCP Packet Rate Limit............................................................................................... 42-1
Configuring DHCP Packet Rate Limit ................................................................................................... 42-1
Configuring DHCP Packet Rate Limit............................................................................................ 42-1
Configuring Port State Auto Recovery .......................................................................................... 42-2
Rate Limit Configuration Example ........................................................................................................ 42-2

43 DHCP/BOOTP Client Configuration ..................................................................................................... 43-1

Introduction to DHCP Client.................................................................................................................. 43-1
Introduction to BOOTP Client ............................................................................................................... 43-1
Configuring a DHCP/BOOTP Client...................................................................................................... 43-2
DHCP Client Configuration Example............................................................................................. 43-3
BOOTP Client Configuration Example .......................................................................................... 43-3
Displaying DHCP/BOOTP Client Configuration.................................................................................... 43-3

44 ACL Configuration ................................................................................................................................. 44-1

ACL Overview ....................................................................................................................................... 44-1
ACL Matching Order...................................................................................................................... 44-1
Ways to Apply an ACL on a Switch............................................................................................... 44-2
Types of ACLs Supported by Switch 4500 Series ........................................................................ 44-3
ACL Configuration Task List ................................................................................................................. 44-3
Configuring Time Range................................................................................................................ 44-4
Configuring Basic ACL .................................................................................................................. 44-5
Configuring Advanced ACL ........................................................................................................... 44-6
Configuring Layer 2 ACL ............................................................................................................... 44-8
Configuring User-defined ACL ...................................................................................................... 44-9
Configuring IPv6 ACL .................................................................................................................. 44-10
Applying ACL Rules on Ports ...................................................................................................... 44-12
Applying ACL Rules to Ports in a VLAN...................................................................................... 44-13
Displaying and Maintaining ACL Configuration .................................................................................. 44-14
Examples for Upper-layer Software Referencing ACLs...................................................................... 44-14
Example for Controlling Telnet Login Users by Source IP .......................................................... 44-14
Example for Controlling Web Login Users by Source IP............................................................. 44-15
Examples for Applying ACLs to Hardware.......................................................................................... 44-15
Basic ACL Configuration Example .............................................................................................. 44-15
Advanced ACL Configuration Example ....................................................................................... 44-16
Layer 2 ACL Configuration Example ........................................................................................... 44-17
User-defined ACL Configuration Example .................................................................................. 44-17
IPv6 ACL Configuration Example................................................................................................ 44-18
Example for Applying an ACL to a VLAN .................................................................................... 44-19

45 QoS Configuration ................................................................................................................................. 45-1

Overview ............................................................................................................................................... 45-1
Introduction to QoS........................................................................................................................ 45-1
Traditional Packet Forwarding Service.......................................................................................... 45-1
New Applications and New Requirements .................................................................................... 45-1
Major Traffic Control Techniques .................................................................................................. 45-2
QoS Supported By Switch 4500 Series ................................................................................................ 45-3
Introduction to QoS Functions .............................................................................................................. 45-3
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