3Com Switch 7750 Configuration Guide

12 CONTENTS
Troubleshooting DHCP Relay Agent 621
59 DHCP SNOOPING CONFIGURATION
Configuring DHCP Snooping 623
DHCP Snooping Configuration 628
Displaying and Maintaining DHCP Snooping 632
DHCP Snooping Configuration Example 632
60 ACL CONFIGURATION
ACL Overview 637
Choosing ACL Mode for Traffic Flows 639
Specifying the Matching Order of ACL Rules Sent to a Port 640
Configuring Time Ranges 640
Defining Basic ACLs 641
Defining Advanced ACLs 642
Defining Layer 2 ACLs 647
Defining User-Defined ACLs 649
Applying ACLs on Ports 650
Displaying ACL Configuration 652
ACL Configuration Example 653
61 QOS CONFIGURATION
Overview 657
QoS Supported by the Switch 7750 666
Setting Port Priority 666
Configuring Priority to Be Used When a Packet Enters an Output Queue 667
Configuring Priority Remark 669
Configuring Rate Limit on Ports 671
Configuring TP 672
Configuring Redirect 673
Configuring Queue-scheduling 674
Configuring Congestion Avoidance 675
Configuring Traffic Statistics 676
Configuring Assured Bandwidth 678
Configuring Bidirectional CAR 679
Configuring Traffic-Based Selective QinQ 679
QoS Configuration Example 681
62 MIRRORING CONFIGURATION
Overview 685
Mirroring Supported by the Switch 7750 688
Mirroring Configuration 688
63 CLUSTER
Cluster Overview 703