Thank you for the help...I managed to get it run

SnmpOptions[testrtr-s0101]: 
authkey=>'0x80b746aa503f97bf37e1d93e90438d24',authprotocol=>'md5',privprotocol=>'des',username=>'xxxx',privkey=>'0x5c6d827205aa3b3fd88529b864b4bb72'



________________________________
From: [email protected] 
[mailto:[email protected]] On Behalf Of 
Daniel McDonald
Sent: Wednesday, April 13, 2011 3:27 PM
To: mrtg
Subject: Re: [mrtg] help on SNMPv3 configurtion in .cfg

On 4/13/11 6:21 AM, "Cihan Subasi (Garanti Teknoloji)" <[email protected]> 
wrote:

I have not been able to run snmpv3 configured .cfg file, below is mine, can you 
share with us a sample .cfg or correct our mistakes below? thank you


WorkDir: /export/sun4_share2/testrtr

#Options[_]:bits,growright
Options[_]:bits,growright
#Options[_]:enablesnmpv3,snmp-options=:::::3,contextengineid=800000090300001BD53DB640
EnableSnmpV3: yes
Xsize[_]: 550
Ysize[_]: 250
Ytics[_]: 10
Withpeak[_]: ym
#Suppress[_]: y
Interval: 6

#
Target[testrtr-s0101]: \Serial0/1/0\:1:[email protected]:::::3
SnmpOptions[testrtr-s0101]: 
username=>'xxxxxx',authprotocol=>'md5',authkey=>'0x80b746aa503f97bf37e1d93e90438d24',privprotocol=>'3d
es',privkey=>'0x80b746aa503f97bf37e1d93e90438d24daf8f544b59d592dea3aac0de8cbbbb0',contextengineid=>'800000090300001BD5FDB000',privpa
ssword=>'yyyyyyyy'

If you are using authkey and privkey, you don’t need privpassword or 
contextengineid, as the privkey is the hash of the privpassword and the 
contextengineid


I’ll also note this from the Net-SNMP 5.2.0 releasenotes:
    The non-core modules Crypt::DES, Digest::MD5, Digest::SHA1, and
    Digest::HMAC are needed to support SNMPv3.

    In order to support the AES Cipher Algorithm as a SNMPv3 privacy
    protocol, the non-core module Crypt::Rijndael is needed.


Here is a working sample, sanitized...
Target[router1.example.com.cpu1]: cpmCPUTotal5secRev.1&cpmCPUTotal1mi
nRev.1:[email protected]::3:1:1:3
SnmpOptions[router1.example.com.cpu1]: 
authkey=>'0xf0aba...',authprotocol=>'sha',privprotocol=>'aescfb128',username=>
'foo',privkey=>'0x03b...’


--
Daniel J McDonald, CCIE # 2495, CISSP # 78281


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