It's OK to see any garbage in SNMP; I never got surprised (as I was not surprised when I killed firewall by snmpwalk). No one (in reality) makes good QA on SNMP functions (on routers or switches). I already have a few sanity checks in 'snmpstat', may be I should add one more (ignore answers with 0 counters). ----- Original Message ----- From: "Petri Helenius" <pete@he.iki.fi> To: "Jim Popovitch" <jimpop@yahoo.com> Cc: "Alexei Roudnev" <alex@relcom.net>; <vickyr@socal.rr.com>; <nanog@merit.edu> Sent: Sunday, March 06, 2005 7:18 AM Subject: Re: public accessible snmp devices?
Jim Popovitch wrote:
I think this could be relevant. a LOT of devices drop snmp requests when they get busy or when too many incoming requests occur. Are you sure that you were the only one polling that device? Perhaps someone else put it into a "busy" state. Too often with SNMP devices and tools a '0' can mean things other than zero.
So you are saying that it's ok for a Cisco or Juniper router to return zero for a counter when they feel "busy" ?
My RFC collection tells a different story.
Pete