Have you tried Cisco Press Performance & Fault Management (ISBN
1578701805). Chapters 4 thru 19 cover this topic of Performance Monitoring,
Performance Reporting, RMON (1&2), MIB's, & SNMP traps/ polling.
Phil
----- Original Message -----
From: "Circusnuts" <[EMAIL PROTECTED]>
To: "Hans Schimek" <[EMAIL PROTECTED]>; "cisco" <[EMAIL PROTECTED]>
Sent: Saturday, January 20, 2001 12:07 PM
Subject: Re: SNMP-queries ???
> Start with the recommendations from your SNMP Client (i.e. Open View,
> NetView, Concord, Tavve). I believe Concord NetHealth recommends 15
minute
> intervals. This really is miniscuel traffic the normal 10/ 100 LAN/ or
768
> Kbps Frame/ OC3 WAN circuit. Support information from your SNMP client
> should give you the Pro's & Con's to answer these questions (even
influence
> growth changes). The ratios are based on very calculated bandwidth, # of
> devices, & server build stats. I work @ a very established NOC & we value
> the polling almost more than any other traffic itself. This does
represent
> your eyes on the network.. while customer phone calls & RMON probes are
the
> ears.
>
> All the best !!!
> Phil
>
> ----- Original Message -----
> From: "Hans Schimek" <[EMAIL PROTECTED]>
> To: "cisco" <[EMAIL PROTECTED]>
> Sent: Saturday, January 20, 2001 10:34 AM
> Subject: SNMP-queries ???
>
>
> > i would like to configure SNMP on our network. but
> > reduce network traffic for snmp queries as far as possible.
> > i did this on a testrouter so far.
> > but debugging snmp packets - i noticed that every 2 seconds a query
> > is sent - i attached an extract of the log-file.
> > our network now has about 40-50 routers - so if i will enable
> > snmp on all of these devices - that would result in a heavy network
load,
> > isn`t it-
> > but so far - we do need such a strictly network mangagement- for now we
do
> > polling every 40 minutes -
> > but when there is an outage on one of those devices, the customer
notices
> it
> > prior to our
> > NOC.
> > so i configured snmp traps - which works fine - in an acceptable time -
> but
> > THAT didn`t reduce
> > my snmp queries floods, either.
> >
> > so please could anyone give me an advice, how i could reduce these snmp
> > queries.
> >
> >
> >
> > thanx
> > hans
> >
> >
> > 4w4d: SNMP: Get request, reqid 98419, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.10.3 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98419, errstat 2, erridx 4
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.10.3 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 426099, errstat 0, erridx 0
> > ifEntry.12.3 = NULL TYPE/VALUE
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 426099, errstat 2, erridx 1
> > ifEntry.12.3 = NULL TYPE/VALUE
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 98419, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98419, errstat 2, erridx 4
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 491635, errstat 0, erridx 0
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 491635, errstat 2, erridx 1
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 98419, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98419, errstat 0, erridx 0
> > sysUpTime.0 = 284539442
> > ifEntry.5.3 = 2048000
> > sysUpTime.0 = 284539442
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 557171, errstat 0, erridx 0
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 557171, errstat 2, erridx 1
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 622707, errstat 0, erridx 0
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 622707, errstat 2, erridx 1
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 98420, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.10.3 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98420, errstat 2, erridx 4
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.10.3 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 426100, errstat 0, erridx 0
> > ifEntry.12.3 = NULL TYPE/VALUE
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 426100, errstat 2, erridx 1
> > ifEntry.12.3 = NULL TYPE/VALUE
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 98420, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98420, errstat 2, erridx 4
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.11.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 491636, errstat 0, erridx 0
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 491636, errstat 2, erridx 1
> > ifEntry.13.3 = NULL TYPE/VALUE
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 98420, errstat 0, erridx 0
> > sysUpTime.0 = NULL TYPE/VALUE
> > ifEntry.5.3 = NULL TYPE/VALUE
> > sysUpTime.0 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 98420, errstat 0, erridx 0
> > sysUpTime.0 = 284539973
> > ifEntry.5.3 = 2048000
> > sysUpTime.0 = 284539973
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 557172, errstat 0, erridx 0
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 557172, errstat 2, erridx 1
> > ifEntry.14.3 = NULL TYPE/VALUE
> > ifEntry.15.3 = NULL TYPE/VALUE
> > Testrouter#
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54
> > 4w4d: SNMP: Packet received via UDP from 213.164.0.54 on Serial0/0:0
> > 4w4d: SNMP: Get request, reqid 622708, errstat 0, erridx 0
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Response, reqid 622708, errstat 2, erridx 1
> > ifEntry.15.3 = NULL TYPE/VALUE
> > 4w4d: SNMP: Packet sent via UDP to 213.164.0.54undebug all
> > _________________________________
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