Here's a pretty good link to clarify what mibs you can use per product

http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml

Cisco Press' Performance & Fault Management reccomends the following for
monitoring CPU utilization:

Name: avgBusy5
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.2.1.58
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).local(2)
.lsystem(1).avgBusy5(58)
Module: OLD-CISCO-CPU-MIB

Parent: lsystem
Prev sibling: avgBusy1
Next sibling: idleCount

Numerical syntax: Integer (32 bit)
Base syntax: INTEGER
Composed syntax: INTEGER
Status: mandatory
Max access: read-only

Description: 5 minute exponentially-decayed moving
  average of the CPU busy percentage.

and

Name: avgBusy1
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.2.1.57
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).local(2)
.lsystem(1).avgBusy1(57)
Module: OLD-CISCO-CPU-MIB

Parent: lsystem
Prev sibling: busyPer
Next sibling: avgBusy5

Numerical syntax: Integer (32 bit)
Base syntax: INTEGER
Composed syntax: INTEGER
Status: mandatory
Max access: read-only

Description: 1 minute exponentially-decayed moving
  average of the CPU busy percentage.

and

Name: busyPer
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.2.1.56
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).local(2)
.lsystem(1).busyPer(56)
Module: OLD-CISCO-CPU-MIB

Parent: lsystem
Prev sibling: authAddr
Next sibling: avgBusy1

Numerical syntax: Integer (32 bit)
Base syntax: INTEGER
Composed syntax: INTEGER
Status: mandatory
Max access: read-only

Description: CPU busy percentage in the last 5 second
  period. Not the last 5 realtime seconds but
  the last 5 second period in the scheduler.


versions of IOS later than 12.0(3)T may use similar entries from the
CISCO-PROCESS mib, such as

Name: cpmCPUTotal5minRev
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.9.109.1.1.1.1.8
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).ciscoMgm
t(9).ciscoProcessMIB(109).ciscoProcessMIBObjects(1).cpmCPU(1).cpmCPUTotalTab
le(1).cpmCPUTotalEntry(1).cpmCPUTotal5minRev(8)
Module: CISCO-PROCESS-MIB

Parent: cpmCPUTotalEntry
Prev sibling: cpmCPUTotal1minRev

Numerical syntax: Gauge (32 bit)
Base syntax: Gauge
Composed syntax: Gauge
Status: mandatory
Max access: read-only
Size list: 1: 0..100

Description: The overall CPU busy percentage in the last 5 minute
  period. This object deprecates the object cpmCPUTotal5min
  and increases the value range to (0..100).

Most of the lsystem node is actually devoted to buffer counters. Even though
I figure that most of the others might be useful for monitoring memory, the
authors single out:

Name: bufferNoMem
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.2.1.47
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).local(2)
.lsystem(1).bufferNoMem(47)
Module: OLD-CISCO-MEMORY-MIB

Parent: lsystem
Prev sibling: bufferFail
Next sibling: busyPer

Numerical syntax: Integer (32 bit)
Base syntax: INTEGER
Composed syntax: INTEGER
Status: mandatory
Max access: read-only

Description: Count of the number of buffer create
  failures due to no free memory.

and

Name: bufferFail
Type: OBJECT-TYPE
OID: 1.3.6.1.4.1.9.2.1.46
Full path:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).cisco(9).local(2)
.lsystem(1).bufferFail(46)
Module: OLD-CISCO-MEMORY-MIB

Parent: lsystem
Prev sibling: bufferLgCreate
Next sibling: bufferNoMem

Numerical syntax: Integer (32 bit)
Base syntax: INTEGER
Composed syntax: INTEGER
Status: mandatory
Max access: read-only

Description: Count of the number of buffer allocation
  failures.

Which should help in pinpointing memory limitations. In general, I found the
information to be more accessible offline than on, but that could just be a
lack of patience . . .



----- Original Message -----
From: "Richard Tufaro" 
To: 
Sent: Wednesday, February 27, 2002 11:01 PM
Subject: Cisco CPU [7:36765]


> Hey guys..a little off topic but where is the BEST place to find out how
to
> install and configure Cisco CPU and Memory stats with MRTG. I get to somix
> and the MIB's but what do i do with them?




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