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Task 3Using MRTG to Monitor and Graph Traffic Loads
How to Inspect and Interpret Data
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Basic Dial NMS Implementation Guide
MaxBytes2[travis-nas-01_vpdn_tunnelanddenied]: 200
Title[travis-nas-01_vpdn_tunnelanddenied]: cvpdnTunnelTotal and cvpdnDeniedUsersTotal
PageTop[travis-nas-01_vpdn_tunnelanddenied]: <H2>cvpdnTunnelTotal and
cvpdnDeniedUsersTotal</H2>
<TABLE>
<TR><TD>Device:</TD><TD>travis-nas-01</TD></TR>
<TR><TD><a href="/mrtg/mrtg.html">HOME</a></TD></TR>
</TABLE>
Options[travis-nas-01_vpdn_tunnelanddenied]: gauge
#----------------------------------------------------------------------------------------
------
# purpose: activeDS0s and cvpdnSessionTotal
#----------------------------------------------------------------------------------------
------
Target[travis-nas-01_activeDS0vpdnSession]:
1.3.6.1.4.1.9.10.19.1.1.4.0&1.3.6.1.4.1.9.10.24.1.1.2.0:5urf5h0p@travis-nas-01
MaxBytes1[travis-nas-01_activeDS0vpdnSession]: 200
MaxBytes2[travis-nas-01_activeDS0vpdnSession]: 200
Title[travis-nas-01_activeDS0vpdnSession]: activeDS0s and cvpdnSessionTotal
PageTop[travis-nas-01_activeDS0vpdnSession]: <H2>activeDS0s and cvpdnSessionTotal</H2>
<TABLE>
<TR><TD>Device:</TD><TD>travis-nas-01</TD></TR>
<TR><TD><a href="/mrtg/mrtg.html">HOME</a></TD></TR>
</TABLE>
Options[travis-nas-01_activeDS0vpdnSession]: gauge
Step 5
Open the crontab file in your system by entering
crontab -e
. The
-e
enables edit mode. You can run
crontab from any directory.
igloo:/ ->crontab -e
"/tmp/crontabmMaqZd" 14 lines, 610 characters
#ident "@(#)root 1.19 98/07/06 SMI" /* SVr4.0 1.1.3.1 */
#
# The root crontab should be used to perform accounting data collection.
#
# The rtc command is run to adjust the real time clock if and when
# daylight savings time changes.
#
10 3 * * 0,4 /etc/cron.d/logchecker
10 3 * * 0 /usr/lib/newsyslog
15 3 * * 0 /usr/lib/fs/nfs/nfsfind
1 2 * * * [ -x /usr/sbin/rtc ] && /usr/sbin/rtc -c > /dev/null 2>&1
30 3 * * * [ -x /usr/lib/gss/gsscred_clean ] && /usr/lib/gss/gsscred_clean
Caution
Although the crontab file is a flat text file, do not manually edit it by using
vi crontab
.
vi can corrupt the crontab, which causes all cron jobs to stop working. You must use the
crontab -e
command, which synchronizes and updates all the crontab daemons
accordingly.
Step 6
Insert the directory path for the MRTG configuration file (.cfg) you created. At the bottom of the file,
enter a line similar to this one:
0,5,10,15,20,25,30,35,40,45,50,55 * * * * /opt/mrtg/run/mrtg
/opt/mrtg/run/conf/travis-nas-01.cfg
Note
Do not forget to include a space between
/mrtg
and
/opt