Brocade Communications Systems 6650 manual Viewing STP statistics

	Basic system management	11
TABLE 53	Port statistics (Continued)
Parameter	Description
LateCollisions	The total number of packets received in which a Collision event was detected,
	but for which a receive error (Rx Error) event was not detected.
InGiantPkts	The total number of packets for which all of the following was true:

•The data length was longer than the maximum allowable frame size.

•No Rx Error was detected.

NOTE: Packets are counted for this statistic regardless of whether the CRC is valid or invalid.

InShortPkts	The total number of packets received for which all of the following was true:
	• The data length was less than 64 bytes.
	• No Rx Error was detected.
	• No Collision or Late Collision was detected.
	NOTE: Packets are counted for this statistic regardless of whether the CRC is
	valid or invalid.
InJabber	The total number of packets received for which all of the following was true:
	• The data length was longer than the maximum allowable frame size.
	• No Rx Error was detected.
	• The CRC was invalid.
InFlowCtrlPkts	The total number of flow control packets received.
OutFlowCtrlPkts	The total number of flow control packets transmitted.
InBitsPerSec	The number of bits received per second.
OutBitsPerSec	The number of bits sent per second.
InPktsPerSec	The number of packets received per second.
OutPktsPerSec	The number of packets sent per second.
InUtilization	The percentage of the port bandwidth used by received traffic.
OutUtilization	The percentage of the port bandwidth used by sent traffic.

Viewing STP statistics

You can view a summary of STP statistics for Layer 2 Switches and Layer 3 Switches. STP statistics are by default polled every 10 seconds.

To view spanning tree statistics, enter the show span command. To view STP statistics for a VLAN, enter the span vlan command.

Brocade ICX 6650 Administration Guide	247
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