Monitoring Snmp; Establishing A Baseline - Juniper SYSTEM BASICS - CONFIGURATION GUIDE V 11.1.X Configuration Manual

Monitoring SNMP

To monitor the status of SNMP operations on your network, enter Privileged Exec
mode. You can then establish a baseline and use the show commands to view
statistics.

Establishing a Baseline

SNMP statistics are stored in system counters. The only way to reset the system
counters is to reboot the router. You can, however, establish a baseline for SNMP
statistics by setting a group of reference counters to zero.
baseline snmp
Use to establish a baseline for SNMP statistics.
The system implements the baseline by reading and storing the statistics at the
time the baseline is set and then subtracting this baseline whenever
baseline-relative statistics are retrieved.
To display statistics relative to the current baseline, use the delta keyword with
SNMP show commands.
SNMP operations (such as Get and Set) continue to use and report statistics from
the system counters.
See "Viewing SNMP Status" on page 240 for a sample display when you enter the
show snmp command. If you establish a baseline and then enter show snmp,
the statistics now have zero or low values.
Example
host1#baseline snmp
host1#show snmp
Contact: Joe Administrator
Location: Network Lab, Bldg 3 Floor 1
2 SNMP packets input
0 Bad SNMP version errors
0 Unknown community name
0 Illegal operation for community name supplied
0 Encoding errors
0 Number of requested variables
0 Number of altered variables
1 Get-request PDUs
1 Get-next PDUs
0 Set-request PDUs
0 Unknown security models
0 Unavailable contexts
2 SNMP packets out
0 Too big errors (Maximum packet size 1500)
1 No such name errors
0 Bad values errors
0 General errors
2 Get-response PDUs
0 SNMP trap PDUs
0 Invalid Message Report PDUs
0 Unknown PDU Handler Report PDUs
Chapter 4: Configuring SNMP
239
Monitoring SNMP