Command Reference Guide

124 ● display rmon history 3Com Router 5000 Family and Router 6000 Family
Command Reference
display rmon history
Purpose Use the display rmon history command to display the history control table of
RMOM and information about the latest sampling, such as utilization, number of
errors and total number of packets.
Syntax display rmon history [ interface-type interface-number ]
Parameters interface-type
interface-number
Interface type and number.
Example Display the history information about interface Ethernet2/0/1.
<3Com> display rmon history ethernet 2/0/1
History control entry 1 owned by null is VALID
Samples interface : Ethernet2/0/1<ifEntry.642>
Sampling interval : 10(sec) with 10 buckets max
Latest sampled values :
Dropevents :0 , octets :0
packets :0 , broadcast packets :0
multicast packets :0 , CRC alignment errors :0
undersize packets :0 , oversize packets :0
fragments :0 , jabbers :0
collisions :0 , utilization :0
Table 27 Description on the fields of the display rmon history command
Field Description
History control entry 1 Index of the history control entry
VALID State of history control entry 1 is valid
Samples interface Monitored interface
Sampling interval:
10(sec)
Sampling every 10 seconds
buckets Number of buckets
Latest sampled values Latest sampling information
dropevents Number of drop events
octets Number of the received/transmitted bytes in this sample
packet Number of the received/transmitted packets during the sampling period
broadcastpacket Number of broadcast packets
multicastpacket Number of multicast packets
CRC alignment errors Number of the packets with CRC errors
undersize packets Number of undersize packets
oversize packets Number of oversize packets
fragments Number of the undersize packets with CRC errors
jabbers Number of the oversize packets with CRC errors
collisions Number of collisions
utilization Utilization ratio