Table of Contents
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Chapter 7
Diagnostic Web Pages
Diagnostic Web Pages—
Miscellaneous
72
Media Counters Port 1/Port 2
Field
Alignment Errors
FCS Errors
Single Collisions
Multiple Collisions
Excessive Collisions
MAC Transmit Errors
Frame Too Long
MAC Receive Errors
Ring Statistics
This section contains information about the topology of the network, and
specific ring information.
The following sections explain the miscellaneous sections of the diagnostic web
pages.
Crash Display
This is the hexadecimal dump of the current fatal event log, that is stored in the
linking device. If no crash has ever occurred, the contents are all zero.
Heap Statistics
This information is only for support issues.
Rockwell Automation Publication 1788-UM059B-EN-P - September 2015
Description
A frame containing bits that do not total an integral multiple of eight.
A frame containing eight bits, at least one of which has been corrupted.
The number of outgoing packets that encountered only one collision during
transmission.
The number of outgoing packets that encountered 2...15 collisions during
transmission.
The number of frames that experience 16 consecutive collisions.
Frames for which transmission fails due to an internal MAC sublayer transmit error.
The number of incoming packets that exceed the maximum Ethernet packet size.
Frames for which reception on the Ethernet interface failed due to an internal MAC
sublayer receive error.
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