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Re: Fwd: Squid, SNMP and MRTG

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I also recommend http://www.squid-cache.org/~wessels/squid-rrd/ which doesn't require SNMP at all. I believe it also monitors more information than the SNMP option but I could be wrong. 


Regards,
Elvar



s f wrote:

Yes you dont need to use cfgmaker to monitor squid.
There is a link to mrtg-squid.cfg file here http://chrismiles.info/unix/mrtg/
Also a little tutorial at
http://techspalace.blogspot.com/2007/12/mrtg-for-squid.html

Regards,
Roshan Karki

On 12/21/07, Tek Bahadur Limbu <teklimbu@xxxxxxxxxxxx> wrote:

Hi Indunil,

You don't use the cfgmaker with Squid as you normally do with Linux
network interfaces.

You need the SNMP OIDs for graphing Squid MRTG.

Put something like the below in your mrtg.cfg file:


Target[1cacheServerRequests]:
cacheServerRequests&cacheServerRequests:public@localhost:3001
MaxBytes[1cacheServerRequests]: 10000000
Title[1cacheServerRequests]: Server Requests @ cacheproxy88
Options[1cacheServerRequests]:  nopercent
PageTop[1cacheServerRequests]: <h1>Server Requests @ cacheproxy88</h1>
YLegend[1cacheServerRequests]: requests/sec
ShortLegend[1cacheServerRequests]: req/s
LegendI[1cacheServerRequests]: Requests&nbsp;
LegendO[1cacheServerRequests]:
Legend1[1cacheServerRequests]: Requests
Legend2[1cacheServerRequests]:


Target[2cacheHttpInOutKb]:
cacheHttpInKb&cacheHttpOutKb:public@localhost:3001 * 1024 * 8
MaxBytes[2cacheHttpInOutKb]: 1000000000
Title[2cacheHttpInOutKb]: HTTP In/Out Traffic @ cacheproxy88
Options[2cacheHttpInOutKb]:  nopercent
PageTop[2cacheHttpInOutKb]: <h1>HTTP In/Out Traffic @ cacheproxy88</h1>
YLegend[2cacheHttpInOutKb]: Bits/second
ShortLegend[2cacheHttpInOutKb]: Bits/s
LegendI[2cacheHttpInOutKb]: HTTP In&nbsp;
LegendO[2cacheHttpInOutKb]: HTTP Out&nbsp;
Legend1[2cacheHttpInOutKb]: HTTP In
Legend2[2cacheHttpInOutKb]: HTTP Out


The most important thing to note is in the Target parameter.


Check out the following site for more help and information about SNMP
and Squid:

http://www.onlamp.com/pub/a/onlamp/2004/03/25/squid.html

Thanking you...



Indunil Jayasooriya wrote:

Hi again,

before running this command pl make the mrtg working directory like
"/var/www/mrtg"

Yes, I made it. pls see below

[root@mail ~]# mkdir /var/www/mrtgnew

after making the directory run this command

cfgmaker --global 'WorkDir: /mrtg_working_dir_path/'  --output
/etc/mrtg/mrtg.cfg public@localhost

yes , I did it. pls see below

[root@mail ~]# cfgmaker --global 'WorkDir: /var/www/mrtgnew'  --output
/etc/mrtg/mrtgnew.cfg public@localhost
It worked.
then, I checked my /etc/mrtg/mrtgnew.cfg . it is a traditinal mrtg.cfg file.


after running this make a entry in /etc/mrtg/mrtg.cfg
LoadMIBs: /etc/squid/mib.txt
Yes, I added it.

this is my full /etc/mrtg/mrtgnew.cfg

[root@mail mrtgnew]# cat /etc/mrtg/mrtgnew.cfg
# Created by
# /usr/bin/cfgmaker --global 'WorkDir: /var/www/mrtgnew' --output
/etc/mrtg/mrtgnew.cfg public@localhost


### Global Config Options

#  for UNIX
# WorkDir: /home/http/mrtg

#  or for NT
# WorkDir: c:\mrtgdata

### Global Defaults

#  to get bits instead of bytes and graphs growing to the right
# Options[_]: growright, bits

EnableIPv6: no
WorkDir: /var/www/mrtgnew
LoadMIBs: /etc/squid/mib.txt
######################################################################
# System: mail.douglas.lk
# Description: Linux mail.douglas.lk 2.6.9-55.EL #1 Fri Apr 20
16:35:59 EDT 2007 i686
# Contact: mrtg@xxxxxxxxxxxx
# Location: Unknown
######################################################################


### Interface 1 >> Descr: 'lo' | Name: '' | Ip: '127.0.0.1' | Eth: '' ###
### The following interface is commented out because:
### * it is a Software Loopback interface
#
# Target[localhost_1]: 1:public@localhost:
# SetEnv[localhost_1]: MRTG_INT_IP="127.0.0.1" MRTG_INT_DESCR="lo"
# MaxBytes[localhost_1]: 1250000
# Title[localhost_1]: Traffic Analysis for 1 -- mail.douglas.lk
# PageTop[localhost_1]: <H1>Traffic Analysis for 1 -- mail.douglas.lk</H1>
#  <TABLE>
#    <TR><TD>System:</TD>     <TD>mail.douglas.lk in Unknown</TD></TR>
#    <TR><TD>Maintainer:</TD> <TD>mrtg@xxxxxxxxxxxx</TD></TR>
#    <TR><TD>Description:</TD><TD>lo  </TD></TR>
#    <TR><TD>ifType:</TD>     <TD>softwareLoopback (24)</TD></TR>
#    <TR><TD>ifName:</TD>     <TD></TD></TR>
#    <TR><TD>Max Speed:</TD>  <TD>1250.0 kBytes/s</TD></TR>
#    <TR><TD>Ip:</TD>         <TD>127.0.0.1 (localhost)</TD></TR>
#  </TABLE>


### Interface 2 >> Descr: 'eth0' | Name: '' | Ip: '192.168.122.54' |
Eth: '00-11-5b-78-db-ad' ###### The following interface is commented
out because:
### * it is operationally DOWN
#
# Target[localhost_2]: 2:public@localhost:
# SetEnv[localhost_2]: MRTG_INT_IP="192.168.122.54" MRTG_INT_DESCR="eth0"
# MaxBytes[localhost_2]: 1250000
# Title[localhost_2]: Traffic Analysis for 2 -- mail.douglas.lk
# PageTop[localhost_2]: <H1>Traffic Analysis for 2 -- mail.douglas.lk</H1>
#  <TABLE>
#    <TR><TD>System:</TD>     <TD>mail.douglas.lk in Unknown</TD></TR>
#    <TR><TD>Maintainer:</TD> <TD>mrtg@xxxxxxxxxxxx</TD></TR>
#    <TR><TD>Description:</TD><TD>eth0  </TD></TR>
#    <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
#    <TR><TD>ifName:</TD>     <TD></TD></TR>
#    <TR><TD>Max Speed:</TD>  <TD>1250.0 kBytes/s</TD></TR>
#    <TR><TD>Ip:</TD>         <TD>192.168.122.54 ()</TD></TR>
#  </TABLE>


### Interface 3 >> Descr: 'eth1' | Name: '' | Ip: '192.168.4.6' | Eth:
'00-50-ba-83-41-d9' ###

Target[localhost_3]: 3:public@localhost:
SetEnv[localhost_3]: MRTG_INT_IP="192.168.4.6" MRTG_INT_DESCR="eth1"
MaxBytes[localhost_3]: 12500000
Title[localhost_3]: Traffic Analysis for 3 -- mail.douglas.lk
PageTop[localhost_3]: <H1>Traffic Analysis for 3 -- mail.douglas.lk</H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD>mail.douglas.lk in Unknown</TD></TR>
   <TR><TD>Maintainer:</TD> <TD>mrtg@xxxxxxxxxxxx</TD></TR>
   <TR><TD>Description:</TD><TD>eth1  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
   <TR><TD>ifName:</TD>     <TD></TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>12.5 MBytes/s</TD></TR>
   <TR><TD>Ip:</TD>         <TD>192.168.4.6 (mail.douglas.lk)</TD></TR>
 </TABLE>


### Interface 4 >> Descr: 'sit0' | Name: '' | Ip: '' | Eth:
'00-00-00-00-41-d9' ###
### The following interface is commented out because:
### * it is administratively DOWN
### * it is operationally DOWN
### * has a speed of 0 which makes no sense
#
# Target[localhost_4]: 4:public@localhost:
# SetEnv[localhost_4]: MRTG_INT_IP="" MRTG_INT_DESCR="sit0"
# MaxBytes[localhost_4]: 0
# Title[localhost_4]: Traffic Analysis for 4 -- mail.douglas.lk
# PageTop[localhost_4]: <H1>Traffic Analysis for 4 -- mail.douglas.lk</H1>
#  <TABLE>
#    <TR><TD>System:</TD>     <TD>mail.douglas.lk in Unknown</TD></TR>
#    <TR><TD>Maintainer:</TD> <TD>mrtg@xxxxxxxxxxxx</TD></TR>
#    <TR><TD>Description:</TD><TD>sit0  </TD></TR>
#    <TR><TD>ifType:</TD>     <TD>Encapsulation Interface (131)</TD></TR>
#    <TR><TD>ifName:</TD>     <TD></TD></TR>
#    <TR><TD>Max Speed:</TD>  <TD>0.0 Bytes/s</TD></TR>
#  </TABLE>


and here is my /etc/snmp/snmpd.conf file

[root@mail mrtgnew]# cat /etc/snmp/snmpd.conf
com2sec local localhost public
com2sec mynetwork 192.1.54.0/24 public
com2sec mynetwork 192.168.9.0/24 public

group MyRWGroup v1 local
group MyROGroup v1 mynetwork
group MyRWGroup v1 otherv3user

view all included .1 80

access MyROGroup "" any noauth exact all none none
access MyRWGroup "" any noauth exact all all all

syscontact mrtg@xxxxxxxxxxxx

then , I ran below command. it worked too.

[root@mail mrtgnew]# indexmaker
--output=/var/www/mrtgnew/indexnew.html /etc/mrtg/mrtgnew.cfg

then, I ran below commands 3 times.

[root@mail mrtgnew]#  indexmaker
--output=/var/www/mrtgnew/indexnew.html /etc/mrtg/mrtgnew.cfg

[root@mail mrtgnew]# env LANG=C /usr/bin/mrtg /etc/mrtg/mrtgnew.cfg
Rateup WARNING: /usr/bin/rateup could not read the primary log file
for localhost_3
Rateup WARNING: /usr/bin/rateup The backup log file for localhost_3
was invalid as well
Rateup WARNING: /usr/bin/rateup Can't remove localhost_3.old updating log file
Rateup WARNING: /usr/bin/rateup Can't rename localhost_3.log to
localhost_3.old updating log file[root@mail mrtgnew]# env LANG=C
/usr/bin/mrtg /etc/mrtg/mrtgnew.cfg
Rateup WARNING: /usr/bin/rateup Can't remove localhost_3.old updating log file
[root@mail mrtgnew]# env LANG=C /usr/bin/mrtg /etc/mrtg/mrtgnew.cfg


But, I get traditional mrtg page. Nothing related to squid.

No LoadMIBs: /etc/squid/mib.txt file hase been loaed to that index.html page?

HELP NEEDED again?




--

With best regards and good wishes,

Yours sincerely,

Tek Bahadur Limbu

System Administrator

(TAG/TDG Group)
Jwl Systems Department

Worldlink Communications Pvt. Ltd.

Jawalakhel, Nepal

http://www.wlink.com.np

http://teklimbu.wordpress.com
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