User Reference Manual.book

Contents
Layer-3..................................................................................................................... 431
Layer-4..................................................................................................................... 431
Traffic Prioritization............................................................................................................... 431
Layer-2 Flows ................................................................................................................. 431
Configuring Layer-2 QoS ........................................................................................ 432
802.1p Priority Mapping.......................................................................................... 432
Displaying Priority Map Information ...................................................................... 434
Layer-3 & Layer-4 Flows ............................................................................................... 434
Configuring IP QoS Policies.................................................................................... 434
Configuring IPX QoS Policies................................................................................. 435
Configuring the XP Queuing Policy ............................................................................... 436
Allocating Bandwidth for a Weighted-Fair Queuing Policy ................................... 436
Weighted Random Early Detection (WRED) ........................................................................ 437
WRED’s Effect on the Network ..................................................................................... 437
Weighting Algorithms in WRED.................................................................................... 437
ToS Rewrite............................................................................................................................ 439
Configuring ToS Rewrite for IP Packets ........................................................................ 440
Monitoring QoS .............................................................................................................. 441
Limiting Traffic Rate ............................................................................................................. 442
Traffic Profiles......................................................................................................... 443
Burst-Compensating ................................................................................................ 443
Rate Limiting Modes ...................................................................................................... 444
Rate Limiting Policies..................................................................................................... 444
Per-Flow Rate Limiting ........................................................................................... 444
Aggregate Rate Limiting ......................................................................................... 446
Flow-Aggregate Rate Limiting................................................................................ 447
Port Rate Limiting ................................................................................................... 448
VLAN Rate Limiting ............................................................................................... 448
Displaying Rate Limit Information................................................................................. 449
Chapter 25: Performance Monitoring Guide..................................................451
Performance Monitoring Overview ....................................................................................... 451
Configuring the X-Pedition for Port Mirroring...................................................................... 453
Chapter 26: RMON Configuration Guide.......................................................455
RMON Overview ...................................................................................................................455
Memory Allocation Requirements......................................................................................... 456
Examples......................................................................................................................... 456
Configuring and Enabling RMON ......................................................................................... 457
Example of RMON Configuration Commands .............................................................. 457
RMON Groups................................................................................................................ 458
Lite RMON Groups ................................................................................................. 458
Standard RMON Groups ......................................................................................... 459
Professional RMON Groups.................................................................................... 459
Control Tables................................................................................................................. 460
Using RMON ......................................................................................................................... 461
Configuring RMON Groups................................................................................................... 462
Configuration Examples ................................................................................................. 463
Displaying RMON Information ............................................................................................. 465
xx Enterasys X-Pedition User Reference Manual