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Several tools are available for diagnosing problems that occur with the switch. These tools include:
•
Port Mirroring
•
Port Monitoring
•
sFlow
•
Remote Monitoring (RMON) probes
•
Switch Health Monitoring
Port mirroring copies all incoming and outgoing traffic from configured mirror ports to a second mirror-
ing Ethernet port, where it can be monitored with a Remote Network Monitoring (RMON) probe or
network analysis device without disrupting traffic flow on the mirrored port. The port monitoring feature
allows you to examine packets to and from a specific Ethernet port. sFlow is used for measuring high
speed switched network traffic. It is also used for collecting, storing, and analyzing the traffic data. Switch
Health monitoring software checks previously configured threshold levels for the switch's consumable
resources, and notifies the Network Monitoring Station (NMS) if those limits are violated.
In This Chapter
This chapter describes port mirroring, port monitoring, remote monitoring (RMON) probes, sFlow, and
switch health features and explains how to configure the same through the Command Line Interface (CLI).
Configuration procedures described in this chapter include:
•
Creating or Deleting a Port Mirroring Session—see
"Deleting A Mirroring Session" on page
•
Protection from Spanning Tree changes (Port Mirroring)—see
Spanning Tree)" on page
•
Enabling or Disabling Port Mirroring Status—see
page 26-19
or
"Disabling a Mirroring Session (Disabling Mirroring Status)" on page
•
Configuring Port Mirroring Direction—see
•
Enabling or Disabling a Port Mirroring Session—see
(Shorthand)" on page
•
Configuring a Port Monitoring Session—see
•
Enabling a Port Monitoring Session—see
OmniSwitch AOS Release 7 Network Configuration Guide
26 Diagnosing Switch
26-21.
26-19.
26-20.
"Creating a Mirroring Session" on page 26-18
"Unblocking Ports (Protection from
"Enabling or Disabling Mirroring Status" on
"Configuring Port Mirroring Direction" on page
"Enabling or Disabling a Port Mirroring Session
"Configuring a Port Monitoring Session" on page
"Enabling a Port Monitoring Session" on page
March 2011
Problems
26-19.
26-20.
26-24.
or
26-24.
page 26-1
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