Administrator Guide

20 Contents
16 Monitoring Switch Traffic . . . . . . . . . . . 519
Traffic Monitoring Overview. . . . . . . . . . . . . . 519
What is sFlow Technology?
. . . . . . . . . . . . 519
What is RMON?
. . . . . . . . . . . . . . . . . . 522
What is Port Mirroring?
. . . . . . . . . . . . . . 523
Port Mirroring Behaviors . . . . . . . . . . . . . 524
Remote Capture
. . . . . . . . . . . . . . . . . . 526
Why is Traffic Monitoring Needed?
. . . . . . . 526
Default Traffic Monitoring Values
. . . . . . . . . . . 526
Monitoring Switch Traffic (Web)
. . . . . . . . . . . 527
sFlow Agent Summary
. . . . . . . . . . . . . . 527
sFlow Receiver Configuration
. . . . . . . . . . 528
sFlow Sampler Configuration
. . . . . . . . . . . 529
sFlow Poll Configuration . . . . . . . . . . . . . 530
Interface Statistics
. . . . . . . . . . . . . . . . 531
Etherlike Statistics
. . . . . . . . . . . . . . . . 532
GVRP Statistics . . . . . . . . . . . . . . . . . . 533
EAP Statistics
. . . . . . . . . . . . . . . . . . . 534
Utilization Summary
. . . . . . . . . . . . . . . . 535
Counter Summary. . . . . . . . . . . . . . . . . 536
Switchport Statistics
. . . . . . . . . . . . . . . 537
RMON Statistics
. . . . . . . . . . . . . . . . . 538
RMON History Control Statistics . . . . . . . . . 539
RMON History Table . . . . . . . . . . . . . . . 541
RMON Event Control . . . . . . . . . . . . . . . 542
RMON Event Log
. . . . . . . . . . . . . . . . . 544
RMON Alarms
. . . . . . . . . . . . . . . . . . . 545
Port Statistics . . . . . . . . . . . . . . . . . . . 547
LAG Statistics
. . . . . . . . . . . . . . . . . . . 548
Port Mirroring
. . . . . . . . . . . . . . . . . . . 549
Monitoring Switch Traffic (CLI) . . . . . . . . . . . . 551
Configuring sFlow
. . . . . . . . . . . . . . . . . 551