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Command Summary
Cisco Micro Hub User Guide
3-40
show hub statistics
Syntax: show hub statistics [hub id]
Mode: Guest
Description: Displays statistics for the specified hub since the last time the clear-counter or
restart command was entered.
Command Keyword Definition
• hub id—(Optional) Number used to identify the hub in a stack. An integer
between 1 and 5. Read the section “Hub ID Numbers” earlier in this chapter
for information about how to determine hub ID numbers.
Statistics are displayed in the following format:
Hub> show hub statistics 1
Alignment CRC Total
Hub ID Frames Bytes Collisions Errors Errors Errors
--------------------------------------------------------------
1 1039 29354 264 23 12 486
Command Display Definitions
• Hub ID—Position of the hub in the stack, from top to bottom.
• Frames—Number of frames (packets) passing through the hub.
• Bytes—Number of bytes passing through the hub.
• Collisions—Number of times that network devices attached to any one of the
hubs in the stack have attempted to send data simultaneously.
• Alignment errors—Number of mis-synchronized data packets.
• CRC errors—Number of CRC errors.
• Total errors—Total number of errors, including the following types: frame
control sequence, alignment, frames-too-long, short events, late events,
jabber, and data rate mismatches.