Cisco Systems 1503 Switch User Manual


 
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.