[rrd-users] rrdtool - graphing the load of snmp itself

[dmahler at TELCORDIA.COM]

When one becomes successful with RRD and mrtg, there are times that the 
periodic question comes up: "how much snmp load is this putting on my 
network"? 
I get this with all my snmp pollers.  Especially a few weeks back when one 
of them went nuts and looped while doing discovery of the media2ip table. 
Ended up driving the IPSNMP process CPU on the cisco switch very high.
So... I am looking to track the amount of SNMP traffic by my snmp pollers. 
  They are on a mix of windows and unix.  products like mrtg, concord, 
netview, spectrum, etc...

1) I was going to graph the mib2 snmp group - something like 
snmpInGetRequests.  But none of my snmp agents on these servers return any 
values for the snmp group of mib2.  sigh... 
2) I have been looking instead at the icmp group , like icmpInMsgs . these 
seem to have values.  but it is at all meaningful?   my busiest poller 
seems to be at around 4/second. 

not great solutions.  so, a question: 

When asked to track over time the snmp load of your pollers, what do you 
use?


much thanks for any help

Don Mahler 
SAIC /Telcordia 


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