Quick Reference Guide

PowerConnect B-Series TI24X Configuration Guide xiii
53-1002269-02
Configuring port mirroring and monitoring . . . . . . . . . . . . . . . . . . .395
Configuration notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Monitoring a port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .397
Monitoring an individual trunk port . . . . . . . . . . . . . . . . . . . . .397
ACL-based inbound mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398
Creating an ACL-based inbound mirror clause for
PowerConnect B-Series TI24X devices . . . . . . . . . . . . . . . . . . .398
MAC filter-based mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .402
Configuring MAC filter-based mirroring on
PowerConnect B-Series TI24X devices . . . . . . . . . . . . . . . . . . .402
Chapter 15 Configuring Quality of Service
Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .405
Processing of classified traffic . . . . . . . . . . . . . . . . . . . . . . . . .405
QoS queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .408
Assigning QoS priorities to traffic . . . . . . . . . . . . . . . . . . . . . . .408
Buffer allocation/threshold for QoS queues . . . . . . . . . . . . . . 410
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .410
Configuring DSCP-based QoS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .410
Application notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .411
Using ACLs to honor DSCP-based QoS . . . . . . . . . . . . . . . . . . .411
Configuring the QoS mappings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411
Default DSCP –> Internal forwarding priority mappings . . . . .411
Changing the DSCP –> internal forwarding priority mappings412
Changing the internal forwarding priority –> hardware
forwarding queue mappings . . . . . . . . . . . . . . . . . . . . . . . . . . .413
Scheduling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
QoS Queuing methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Selecting the QoS queuing method . . . . . . . . . . . . . . . . . . . . .415
Configuring the QoS queues . . . . . . . . . . . . . . . . . . . . . . . . . . .415
Viewing QoS settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .418
Viewing DSCP-based QoS settings. . . . . . . . . . . . . . . . . . . . . . . . . .418
Chapter 16 Configuring Rate Limiting and Rate Shaping on the PowerConnect B-
Series TI24X
Rate limiting overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .421
Rate limiting in hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .421
How Fixed Rate Limiting works . . . . . . . . . . . . . . . . . . . . . . . . .421
Configuration notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .422
Configuring a port-based rate limiting policy . . . . . . . . . . . . . .422
Configuring an ACL-based rate limiting policy . . . . . . . . . . . . .423
Displaying the fixed rate limiting configuration . . . . . . . . . . . .423