Configuration User Manual
Rockwell Automation Publication ENET-UM001L-EN-P - March 2014 121Rockwell Automation Publication ENET-UM001L-EN-P - March 2014 121
Chapter 10
Troubleshoot an EtherNet/IP Communication
Module with Diagnostic Web Pages
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 121
Troubleshoot the 1756-ENBT Communication Module 123
Troubleshoot the 1756-EN2TR Communication Module 129
Troubleshoot the 1769-AENTR Adapter 136
Switch Considerations 143
Internet Group Multicast Protocol 144
Virtual Local Area Networks 145
Port Mirroring 146
Table 31 - Troubleshooting Content Guide
For Consult these sections
Basic troubleshooting help Web Browser Support
Advice on choosing the correct switch to troubleshoot
module problems
Switch Considerations
Advanced troubleshooting help • Internet Group Multicast Protocol
• Virtual Local Area Networks
• Port Mirroring
IMPORTANT
The number and type of diagnostic fields vary by module catalog number, the
Studio 5000 environment version and module firmware revision.
For example, this chapter describes the diagnostic web pages for these
modules:
• 1756-EN2TR EtherNet/IP communication module
• 1756-ENBT EtherNet/IP communication module