3com 5104M-FIB User Manual
SHOW COUNTER
2-327
Example 4
The following command sums up the number of collisions that occurred on all
repeaters trying to transmit across the backplane segment fast_ethernet_1.
repeaters trying to transmit across the backplane segment fast_ethernet_1.
CB5000> show counter repeater fast_ethernet_1 module 3
Repeater Statistics for Module 3 on FAST_ETHER_1
-------------------------------------------------------------------
Readable Frames
0
Readable Octets
2554052041
Upper 32 Readable Octets0
Runts
502857
FCS Errors
0
Late Events
0
Short Events
0
Frame Too Longs
0
Very Long Events
0
Alignment Errors
0
Collisions
0
Data Rate Mismatches
0
Auto Partition Count
0
Isolates
0
Symbol Errors
0
Last Source Address
00-00-0c-01-a2-25
Each error type is followed by the number of packets received containing that
error.
error.
Field
Description
Readable Frames
Readable (uncorrupted) frames received at repeater.
Readable Octets
Readable (uncorrupted) octets received at repeater (the lower 32
bits are contained in the rptrMonitorPortReadableOctets object).
bits are contained in the rptrMonitorPortReadableOctets object).
Upper 32 Readable
Octets
Octets
Upper readable (uncorrupted) octets (2**32) received at
repeater. It contains the upper 32 bits of a 64-bit octets counter.
repeater. It contains the upper 32 bits of a 64-bit octets counter.
Runts
Packets less than 64 bytes.
FCS Errors
Frame Check Sequence errors.
Late Events
Collision detected after 512 bits were received from a port.
Short Events
Packets less than 80 bit times received.
Frame Too Longs
Frames in excess of 1518 bytes received.
Very Long Events
Port entered a jabber lockup state due to a timeout.
Alignment Errors
Number of CRC errors that do not end on a byte boundary.
Collisions
Total number of collisions detected.
Data Rate Mismatches
Number of FIFO overflow and underflow occurrences.
Autopartition Count
Number of times autopartition threshold has been passed.
Isolates
The number of automatic repeater port isolates as a
consequence of false carrier events.
consequence of false carrier events.
Symbol Errors
The number of packets containing symbol errors.
Last Source Address
The source address of the last packet received by this port.