Re: snmptrap v3 problem

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Hello
Good Afternoon!


Thank you for your reply.

I added authuser directive in snmptrapd.conf.
authuser log,execute,net myuser
Sending and receiving of snmptrap v3 worked.


Thank you very much.

Best Regards,



Mike Ayers wrote:
>> From: net-snmp-users-bounces@lists.sourceforge.net
>> [mailto:net-snmp-users-bounces@lists.sourceforge.net] On
>> Behalf Of Jeddylyn A. Ortilla
>> Sent: Sunday, September 02, 2007 9:01 PM
>>
>
>
>> 1. snmpinform -d -Ddump -e 0x0102030405 -v 3 -c public -u
>> myuser -a MD5
>> -A mypasswd -l authNoPriv -x DES -X myotherpasswd localhost ""
>> .1.3.6.1.6.3.1.1.5.1
>> Result:
>> - snmpinform: Timeout
>> - trap is not logged in syslog
>>
>
> Rule of thumb: send traps before attempting informs. There are ways that informs can fail that traps cannot.
>
>
>> 2. snmptrap -d -Ddump -e 0x0102030405 -v 3 -c public -u
>> myuser -a MD5 -A
>> mypasswd -l authNoPriv -x DES -X myotherpasswd localhost ""
>> .1.3.6.1.6.3.1.1.5.1
>> Result:
>> - snmpinform: Timeout
>> - trap is not logged in syslog
>>
>
> Problems:
>
> 1) You are specifying a community string for v3. This is harmless but silly.
>
> 2) You are specifying priv parameters for authNoPriv security. This is harmless but silly.
>
> 3) You are specifying sysUpTime as "". This may or may not cause problems.
>
> 4) (the biggie) You are getting a timeout from the snmptrap command. Looks like you've got it aliased to "snmpinform", as that's how it reports its name back.
>
>
>> --------------------------
>> Configuration Files.
>> 1. Contents of snmpd.conf
>> ...
>> rocommunity public
>> rwcommunity public
>> rwuser myuser
>> rouser myuser
>> ...
>>
>
> Do not give both "rwuser" and "rouser" directives for the same user. Either the user can write or not - not both.
>
>
>> 2. Contents of snmptrapd.conf
>> #traphandle settings
>> ignoreauthfailure no
>> disableAuthorization no
>> authcommunity log,execute,net public
>>
>
> You will need authUser directives to receive v3 traps.
>
> There is a sizable gap between v1/v2c traps and v3 notifications. There's a good starting point in the tutorials:
>
> http://net-snmp.sourceforge.net/wiki...nmptrap_SNMPv3
>
> Note that sending and receiving v3 notifications is easily the most challenging aspect of SNMP, and often frustrates veterans, so take your time. I highly recommend you take as many of the tutorials as possible, and also read RFCs 2570 and 2571, which explain the v3 architecture, which differs radically from its predecessors.
>
>
> HTH,
>
> Mike
>
> P.S. Don't send questions like this to the coders list.
>
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