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CHAPTER 5
Intel® NetStructure™ 470T and 470F Switches User Guide
Port Error Statistics
Description
Select port: Selects the range of ports to view. You can view statistics for
four ports at a time. Press z to toggle between port numbers. The
example shows ports 1–4.
Update interval: Selects the time period between updates (press z).
For example, an update interval of 5 sec. means Local Management collects
and displays information from the switch every five seconds.
Speed/Duplex: Displays the current connection status of the port.
CRC error: Displays the number of valid-length frames (between 64 and
1536 bytes) that had a bad frame check sequence (FCS).
Oversize frames: Displays the number of frames that exceed the maximum
allowed frame size but are otherwise valid Ethernet frames (good CRC).
Fragments: Displays the number of frames that are less than 64 bytes,
including frames without a start-of-frame delimiter. A fragmented frame
also has an invalid CRC.
Jabber: Indicates that a device (such as a faulty NIC) on the network is
sending improper electrical signals. Because Ethernet uses electrical
signaling to determine whether it can transmit, a jabber condition can halt
all traffic on a segment.
LOCATION
Main Menu
Monitoring
Port Error Statistics