Cisco 1503 - Manual (Page 41)

Using Your Hub Software 3-41
Statistics Commands
show port statistics
Syntax: show port statistics {hub id} {port id}
Mode: Guest
Description: Displays statistics for the specified port on the specified hub since the last time
the clear-counters or restart command was entered.
Command Keyword Definitions
• 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.
• port id—(Optional) Number of the network device port (yellow). This
number is shown on the rear panel. A number from 1 to 8. If no value is
entered, statistics for all ports are displayed.
Statistics are displayed in the following format:
Hub> show port statistics 1 5
Hub id:1 Port id:5
Readable frames:78040 Readable bytes:2360
CRC errors:671 Alignment errors:16
Frames too long:16 Short events:45
Runts:12 Collisions:33
Late events:32 Data rate mismatches:867
Auto partitions:0 Total errors:124
LSA changes:0 Last source address:0000000093AE
Command Display Definitions
• Hub id—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.
• Port id—Port number, shown on the rear panel of the hub.
• Readable frames—Number of valid frames (packets) passing through the
hub.
• Readable bytes—Number of valid bytes passing through the hub.
• CRC errors—Number of Ethernet CRC errors detected by this device.
• Alignment errors—Number of mis-synchronized data packets detected by
this device.