User manual

147Publication ENET-UM001I-EN-P - January 2010 147
Chapter 11
Troubleshoot an EtherNet/IP Module
Introduction
This chapter explains how to troubleshoot problems with your EtherNet/IP
communication modules.
Access Web
Browser Support
To troubleshoot most possible problems with your EtherNet/IP
communication module, you need to access the module’s diagnostic web
pages.
Topic Page
Access Web Browser Support 147
Switch Considerations 157
Internet Group Multicast Protocol 157
Virtual Local Area Networks 158
Port Mirroring 159
Troubleshooting Content Guide
For Consult these sections
Basic troubleshooting help Web Browser Support
Advice on choosing the correct switch to
trou
bleshoot module prob
lems
Switch Considerations
Advanced troubleshooting help • Internet Group Multicast Protocol
• Virtual Local Area Networks
• Port Mirroring
Required Web Diagnostic Pages
Technical Issue Web Diagnostic Page
Port speed or settings
Diagnostic Overview Statistics
Required converter type
CPU utilization
Number of missed I/O packets
Status of connections Message Connections
Status of I/O connections
I/O Connections
Number of lost I/O connections
Intermittent Ethernet connectivity Ethernet Statistics