Too many undersized/giant packets - A device connected to this port is transmitting packets shorter than 64 bytes or longer than 1518 bytes (longer than 1522 bytes if tagged) with valid CRCs (unlike runts,which have invalid CRCs).
Excessive jabbering - A device connected to this port is incessantly transmitting packets (jabbering).
Excessive CRC/ alignment errors - A high percentage of data errors has been detected on this port.
Possible causes include:
Faulty cabling or invalid topology
Duplex mismatch (full-duplex configured on one end of the link and half-duplex configured on the other)
A malfunctioning NIC, NIC driver, or transceiver
Excessive late collisions - Collisions detected after transmitting 64 bytes have been detected on this port.
Possible causes include:
An overextended LAN topology
Duplex mismatch (full-duplex configured on one end of the link and half-duplex configured on the other)
A misconfigured or faulty device connected to the port
High collision or drop rate - A large number of collisions or packet drops have occurred on the port.
Possible causes include:
An extremely high level of traffic on the port
Duplex mismatch
A misconfigured or malfunctioning NIC or transceiver on a device connected to this port
A topology loop in the network
Excessive broadcasts - An extremely high percentage of broadcasts was received on this port. This degrades the performance of all devices connected to the port.
Possible causes include:
A network topology loop (the usual cause)
A malfunctioning device, NIC, NIC driver, or software package
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