[mrtg] Re: cisco cpu and memory usage
Janet Post
j.post at sparton.ca
Tue Nov 4 20:31:35 MET 2003
Here are a couple of examples from the config files that I use for gathering CPU and Memory Usage. The first example is from a router running an older IOS, and the last is from a router running a newer IOS: (and yes, these comments are also in my config files)
#####################
#
# Using OLD-CISCO-CPU-MIB to gather CPU statistics
#
# .1.3.6.1.4.1.9.2.1.56.0 <- CPU busy percentage in the last 5 second period
#
# The MIB says that this is NOT a real 5 seconds, but 5 seconds according to
# the internal schedular -- whatever that means.
#
#####################
# WAN Router: CPU Usage
Target[CPU]: .1.3.6.1.4.1.9.2.1.56.0&.1.3.6.1.4.1.9.2.1.56.0:community at someip
MaxBytes[CPU]: 100
Options[CPU]: gauge, nopercent, growright, nolegend, transparent, noo
Title[CPU]: BKS3725: CPU Usage
PageTop[CPU]: <H1 align="center">BKS3725: CPU Usage</H1>
YLegend[CPU]: CPU Utilization (%)
LegendI[CPU]: CPU Utilization: 
LegendO[CPU]: CPU Utilization: 
ShortLegend[CPU]: Percent
#####################
#
# Using OLD-CISCO-MEMORY-MIB to gather Memory usage statistics
#
# .1.3.6.1.4.1.9.2.1.8.0 <-- Free Memory (in bytes)
#
# The Brooksville router is running an IOS version below 11.1, which means
# that the newer and better CISCO-MEMORY-POOL-MIB is not supported
#
#####################
# WAN Router: Memory Free
Target[MEM]: .1.3.6.1.4.1.9.2.1.8.0&.1.3.6.1.4.1.9.2.1.8.0:community at someip
MaxBytes[MEM]: 8192000
Options[MEM]: gauge, growright, nolegend, transparent, noo
Title[MEM]: BKS3725: Free Memory
PageTop[MEM]: <H1 align="center">BKS3725: Free Memory</H1>
YLegend[MEM]: Free Memory (/bytes)
LegendI[MEM]: Free: 
LegendO[MEM]: Free: 
ShortLegend[MEM]: Bytes
+++++++++++++++++++++++++++++++++++++++++++
and the second example: I use the same old mib for CPU usage but I use the new Memory Pool mib for Memory usage:
#####################
#
# Using CISCO MEMORY POOL MIB to gather Free Memory Statistics
#
# .1.3.6.1.4.1.9.9.48.1.1.1.6.1
# .1.3.6.1.4.1.9.9.48.1.1.1.6.2
#
# The Cisco routers (as of IOS version 11.1) track memory by the
# various pools that are created. Each pool will have a different
# amount of memory assigned to it. Not all routers will use all 5
# of the different memory pools available. Here is a list of all the
# memory pools and their corresponding integer value. The last
# number in the OID represents the memory pool.
#
# 1: processor memory
# 2: i/o memory
# 3: pci memory
# 4: fast memory
# 5: multibus memory
#
# This OID tracks FREE memory in bytes. By adding the value at 48.1.1.1.5.1
# (the USED memory in bytes) and 48.1.1.1.6.1, the total number of bytes
# assigned to the pool can be discovered. This is how the Maxbytes
# values were choosen. It is unknown at this time if the memory assigned
# to a pool is dynamic between one reboot and the next.
#
#####################
# WAN Router: Free Memory -- Processor and I/O Pools
Target[MEM]: .1.3.6.1.4.1.9.9.48.1.1.1.6.1&.1.3.6.1.4.1.9.9.48.1.1.1.6.2
:community at someip
MaxBytes1[MEM]: 1606772
MaxBytes2[MEM]: 2097152
Options[MEM]: gauge, growright, nolegend, transparent
Title[MEM]: DEM2524: Free Memory -- Processor and I/O Pools
PageTop[MEM]: <H1 align="center">DEM2524: Free Memory -- Processor and I
/O Pools</H1>
YLegend[MEM]: Free Memory (/bytes)
LegendI[MEM]: Processor Pool: 
LegendO[MEM]: I/O Pool: 
ShortLegend[MEM]: Bytes
>>> "Fauteux, Joe" <Joe.Fauteux at paymentech.com> 11/04/03 14:10 PM >>>
use the ciscoMemoryPoolMIB for memory and the avgBusy5 mib for cpu
-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]On
Behalf Of Mait Mandel
Sent: Tuesday, November 04, 2003 1:48 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] cisco cpu and memory usage
hi!
how can i monitor cisco cpu & memoru usage with mrtg?
anyone done that?
regards,
Mait
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