I have successfully been able to extend the SNMP agent on my embedded
system for adding an enterprise MIB using embedded perl. I need to now
extend the ifTable and ifXTable to include proprietary non-standard
interfaces (which are not returned by ifconfig -a) that exist in the
system. I tried to use the same mechanism like the one for the
enterprise mib and it doesn't work. I get the following error ...

[root@generic]# service snmpd start
Starting snmpd: Simena MIB Perl Extensions:
Attaching to SNMP Agent @ .1.3.6.1.2.1.2.2(.1) using
/cfgs/ifTableMibData.txt (delim T=':'; V=',').
*** glibc detected *** double free or corruption (fasttop): 0x10229848 ***
Aborted
                                                          [FAILED]

First of all is this even possible since currently the ifTable is already
returning all the management interfaces (those show by ifconfig -a)
that exist in the embedded system.

Is it even possible to extend it further and add more ifIndexes and
their corresponding data?

Any insight would be much appreciated.

Thanks!

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