Hi,
Finally I was able to fix this issue. Lessons learnt are
1. We cannot override hrSystemNumusers alone as the NetSNMP does the MIB
registration for the entire hrSystem scalar group, so we should make the master
agent not to respond the hrSystem as a whole
2. So I had to patch the code to comment the hrSystem registration in
hr_system.c
3. We cannot comment the init_hrSystem() in mib_modules_inits.h as this
file is auto generated. So we can only comment the body of the function call
init_hrSystem().
Thanks and Regards,
Malathi
From: Malathi Panyam [mailto:[email protected]]
Sent: Wednesday, May 18, 2011 1:52 PM
To: [email protected]
Subject: RE: Overriding the NetSNMP default implementation of Standard MIBs
Hi,
I still have no luck in making this work, how can I override the default
implementation of "hrSystemNumUsers"?
I tried to add the following line to snmpd.default
OPTIONS="-Lf /dev/null -p /var/run/snmpd.pid -x unix:/var/agentx/master
-I-ifTable -I-ifXTable -I-hrSystemNumUsers"
It did not work for me, ifTable and ifXTable override works fine though.
Pl suggest.
Thanks,
Malathi
From: Malathi Panyam [mailto:[email protected]]
Sent: Tuesday, May 10, 2011 2:06 PM
To: [email protected]
Subject: Overriding the NetSNMP default implementation of Standard MIBs
Hi,
I am aware that we can override the NetSNMP default implementation of
the standard MIBs with our own implementation, I have been able to do that for
ifTable and ifXTable.
Somehow when I tried to do the same for the Host Resource MIB, specifically
"hrSystemNumUsers" , by adding "-I-hrSystemNumUsers" to the "snmpd.default"
and generate the code for that attribute using mib2c, I still don't see my
overridden implementation getting called. Am I missing anything here?
We are using NetSNMP 5.4.2.1 in OpenWRT environment.
Thanks in advance.
Regards,
Malathi
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