[mrtg] SNMPv3 config problem

[Azrol Hezri Badarudin]

Hi,

I am trying to use cfgmaker to generate the mrtg config file. Below is
my cfgmaker command line: -

/usr/local/mrtg-2/bin/cfgmaker /
--global WorkDir:/usr/local/apache/htdocs/mrtg/WAN/GSR/gsr2 /
--global "Options[_]:bits,growright" /
--enablesnmpv3 /
--snmp-options=:::::3 /
--username=readonlyuser /
--authproto=MD5 /
--authpassword=readonly123 /
--contextengineid=context 800000090300000ED733EC1B /
--output /usr/local/mrtg-2/cfg/mrtg_gsr2.cfg a.b.c.d

But I got the following error: -

SNMPopen failed: Unable to resolve UDP/IPv4 address
'800000090300000ED733EC1B'
 
Net_SNMP_util::snmpopen('public at 800000090300000ED733EC1B:::::3:v4only',0
,'ARRAY(0x660008)') called at
/usr/local/mrtg-2/bin/../lib/mrtg2/Net_SNMP_util.pm line 1656
 
Net_SNMP_util::snmpwalk_flg('public at 800000090300000ED733EC1B:::::3:v4onl
y','undef','HASH(0x6c32e4)',1.3.6.1.2.1.1) called at
/usr/local/mrtg-2/bin/../lib/mrtg2/Net_SNMP_util.pm line 766
 
Net_SNMP_util::snmpwalk('public at 800000090300000ED733EC1B:::::3:v4only','
HASH(0x6c32e4)',1.3.6.1.2.1.1) called at /usr/local/mrtg-2/bin/cfgmaker
line 950
 
main::DeviceInfo('public at 800000090300000ED733EC1B:::::3','HASH(0x721170)
','HASH(0x6c32e4)') called at /usr/local/mrtg-2/bin/cfgmaker line 137
        main::main() called at /usr/local/mrtg-2/bin/cfgmaker line 155
SNMPWALK Problem for public at 800000090300000ED733EC1B:::::3:v4only at
/usr/local/mrtg-2/bin/cfgmaker line 950
WARNING: Skipping public at 800000090300000ED733EC1B:::::3 as no info could
be retrieved

Tried to omit "--contextengineid=context 800000090300000ED733EC1B" but I
got the following error: -

Use of --authpassword requires --contextengineid at
/usr/local/mrtg-2/bin/cfgmaker line 1504.

My snmpget is working: -

snmpget -v3 -u readonlyuser -a MD5 -A readonly123 -l authNoPriv a.b.c.d
1.3.6.1.2.1.1.3.0

DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (490114526) 56 days,
17:25:45.26

MRTG version: mrtg-2.16.1
Net::snmp version: 5.2.0
Net-snmp version:5.4.1
Perl version: 5.8.3

Any help would be much appreciated.

Regards,

-- Azrol --
Network Engineer
Tenaga Nasional Berhad


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