Re: NET-SNMP 5.7.2 - SNMPv3 inform does not work

[Anders W. <wal...@gm...>]

Hi Matthew,

do you have the possibility to catch the messages with tcpdump?
If so try to catch it when you send the "snmpinform" and when it comes from
Cisco!

Any chance you can try with a newer version of snmp (5.7.3 or latest 5.8)?

You can also start snmptrapd with "-DALL -d " to get debug messages. It
will be a lot of messages so I suggest to log it to file, e.g.
"snmtrapd -Lf /tmp/smptrapd.log -DALL -d ......"

Regards
Anders Wallin


On Sun, May 5, 2019 at 2:41 PM Mathew <mat...@gm...> wrote:

> Hi Team,
>
> I am trying to get SNMPv3 informs to work with Cisco devices but informs
> does not work and SNMPve traps works (createUser -e <Sender_EngineID>
> myuser SHA AuthPass DES PrivPass in snmptrapd.conf,).
>
> In snmptrapd.conf, I add the below and restarted as per
> http://www.net-snmp.org/wiki/index.php/TUT:snmptrap_SNMPv3;
> createUser Uuser SHA AuthPass DES PrivPass
>
> When I send a test inform with "snmpinform -v 3 -u Uuser -a SHA -A
> AuthPass  -x DES -X PrivPass   <LinuxNMS> 42 coldStart.0", I see it
> "/var/log/messages" file but When I send the inform from Cisco, it does not
> come to /var/log/messages.
> The same Cisco device SNMP configuration tested with other freeware SNMP
> NMS tools, they work properly with SNMPv3 informs.
>
> I am not sure I am getting the correct SNMP EngineID from the Linux box
> running snmptrapd to configure on Cisco devices.
>
> Can I please know anyone successfully tested SNMPv3 informs on NET-SNMP
> 5.7.2?
> If yes, can I please know the working "snmptrapd.conf" and "snmpd.conf"
> configuration settings?
>
> Awaiting reply.
>
> Thanks
>
> Mathew
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