HP 2500 manual Alert Types, Alert Strings and Descriptions, Alert String Alert Description

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Status Reporting Features

	Alert Types
	The following table lists the types of alerts that can be generated.
	Table 4-2. Alert Strings and Descriptions
Alert String	Alert Description
First Time Install	Important installation information for your switch.
Too many undersized/	A device connected to this port is transmitting packets shorter than 64 bytes or longer than
giant packets	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”), detected as
	oversized packets with CRC errors.
Excessive CRC/alignment	A high percentage of data errors has been detected on this port. Possible causes include:
errors	• Faulty cabling or invalid topology.
	• Duplex mismatch (full-duplex configured on one end of the link, half-duplex configured on
	the other)
	• A malfunctioning NIC, NIC driver, or transceiver
Excessive late collisions	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, 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:
	• A 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—this is the usual cause
	• A malfunctioning device, NIC, NIC driver, or software package
Network Loop	Network loop has been detected by the switch.
Loss of Link	Lost connection to one or multiple devices on the port.
Loss of stack member	The Commander has lost the connection to a stack member.
Security violation	A security violation has occurred.

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