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Squid SNMP Configuration - No Such Object available on this agent at this OID

Good Afternoon All

I have configured SNMPv2 on our Squid Alpine boxes, which works fine. Then configured the squid.conf settings via common.settings.conf.

The Squid agent is configured to use port 161, hence why it is in the walk below.

The snmpwalk brings back the following from:

# snmpwalk -m /usr/share/squid/mib.txt -v2c -Cc -c <obfuscated_communitystring> localhost:161 .1.3.6.1.4.1.3495.1.3.1.11.0
SQUID-MIB::cacheCurrentResFileDescrCnt.0 = No Such Object available on this agent at this OID

I was getting a timeout before I configured correctly and now get the above from snmpwalk and a No such name error. Check the OID is valid from a Solarwinds polling test, which makes me think it's permissions or something somewhere. The Squid version is 4.13, which doesn't require the enable-snmp option when compiling.

Any thoughts or experience configuring like this? Thanks

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Accepted answers

Jfrazier

what is in your squid.conf and snmpd.conf files?

Are you using it with Net-SNMP ?

what do you get when you try this?

snmpwalk -v 2c -c your_community_string 10.0.0.2 .1.3.6.1.4.1.3495.1
Everything I see is that the implementation of SNMP for squid revolves around port 3401 and that a standard SNMP agent acts as a proxy.
This appears to be a fairly decent writeup on this...
https://flex.phys.tohoku.ac.jp/texi/faq-squid/FAQ-18.html

All comments

Jfrazier

Does the SNMP agent have the mib installed/enabled?

shawsr8

Hi, I copied the mib from Squid to /usr/share/snmp/mibs/SQUID-MIB.txt. Is there anything else you need to do to enable? Thanks

Jfrazier

what is in your squid.conf and snmpd.conf files?

Are you using it with Net-SNMP ?

what do you get when you try this?

snmpwalk -v 2c -c your_community_string 10.0.0.2 .1.3.6.1.4.1.3495.1
Everything I see is that the implementation of SNMP for squid revolves around port 3401 and that a standard SNMP agent acts as a proxy.
This appears to be a fairly decent writeup on this...
https://flex.phys.tohoku.ac.jp/texi/faq-squid/FAQ-18.html

shawsr8

Thanks, that is a good write-up, although unfortunately, it turned out I was being a bit dense, as we had multiple squid configs, due to using multiple kid worker threads etc, and I had failed to update the correct version of common.settings (pointed to by squid.conf).

I'll still mark your answer as accepted just for being a dude and replying to me - cheers.