Rockwell Automation Publication 1783-UM003G-EN-P - December 2012 127
Manage the Switch via RSLogix 5000 Software Chapter 4
Port Diagnostics
In this field Values are Comments
Unit • Base (for example, 1783-MS10T).
• Expansion module (for example, 1783-MX08T).
Where the port resides.
Port The port number includes the port type (Fa for Fast Ethernet
and Gi for Gigabit Ethernet), the base or expansion module
number (1, 2, or 3), and the specific port number. For
example:
• Gi1/1 is Gigabit Ethernet port 1 on the base.
• Fa2/1 is Fast Ethernet port 1 on the first expansion
module.
The port selected for configuration.
Interface Counters • Octets In – the number of octets received by the port.
• Octets Out – the number of octets sent by the port.
• Ucast Packets In – the number of unicast packets received
by the port.
• Ucast Packets Out – the number of unicast packets sent by
the port.
• NUcast packets In – the number of multicast packets
received by the port.
• NUcast packets Out – the number of multicast packets
sent by the port.
• Discards In – the number of inbound packets that have
been discarded.
• Discards Out – the number of outbound packets that have
been discarded.
• Errors In – the number of inbound packets that contain
errors.
• Errors Out – the number of outbound packets that contain
errors.
• Unknown Protos (Protocols) In – the number of inbound
packets with unknown protocols.
These counters let you view status of octets received and
sent, and packets received and sent.
Media Counters Collisions
• Single – the number of single collisions.
• Multiple – the number of multiple collisions.
• Late – the number of late collisions.
• Excessive – the number of frames for which transmission
fails due to excessive collisions.
Errors
• Alignment – the number of frames received that are not an
integral number of octets in length.
• FCS (Frame Check Sequence) – the number of frames
received that do not pass the FCS check.
• SQE Test Errors – the number of times that the SQE TEST
ERROR message is generated.
• Deferred Transmissions – count of transmissions deferred
by busy network.
• MAC Xmit Errors – the number of frames that failed to
transmit due to an internal MAC sublayer transmit error.
• MAC Recv Errors – the number of frames that failed to be
received due to an internal MAC sublayer receive error.
• Carrier Sense – the number of times the carrier sense
condition was lost or never asserted when attempting to
transmit a frame.
• Frame Too Long – the number of frames received that
exceed the maximum permitted frame size.
These counters let you view the number of collisions on a
link.
These counters let you view errors.
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