Re: SNMP traps from client to master fails

I think you have missed the line in client 1
/etc/snmp/snmd.conf
trap2sink SERVER_IPDDR  public

OR

firewall on server for port 162

On Fri, Feb 12, 2016 at 7:08 PM, Aslam Abbas <[email protected]> wrote:

> Hi All,
>
>   I am trying to setup SNMP monitoring in my network.
>
>   SERVER :  10.21.8.109        CONFIG:
> https://public.etherpad-mozilla.org/p/8uMjWUZsfl
>   CLIENT1   :   10.21.10.10      CONFIG:
> https://public.etherpad-mozilla.org/p/YGeUhOROoV
>   CLIENT2   :   10.21.10.11      CONFIG: (same as CLIENT1, and let us just
> concentrate on SERVER and CLIENT1)
>
>
>   All are running Cent OS. All have net-snmp-utils and net-snmp installed.
>   I tested the basic commands (GET , SET , WALK,...) in all systems and it
> is working fine.
>   *snmpd* and *snmptrapd* are running on both SERVER and CLIENT1
>   I issued a *snmpget* from SERVER-->CLIENT1 and CLIENT1-->SERVER to see
> if they could communicate, and it works fine.
>
>   Now coming to the problem:
>
> * 1. *IN
> * SERVER:*
>   I issued a trap to the localhost. It got logged in /var/log/messages.
> (of SERVER)
>
>
> *  $snmptrap -v 2c -c public localhost ""
> NET-SNMP-EXAMPLES-MIB::netSnmpExampleHeartbeatNotification
> netSnmpExampleHeartbeatRate i 321321*
>   I tried the same command in CLIENT1 (trap issued to localhost), it got
> logged in /var/log/messages (of CLIENT1).
>
>
>
> * 2. IN CLIENT1:*
>   Now I issued a trap to SERVER, hoping that it would get logged in /var/log/messages.
> (of SERVER)
> *  $snmptrap -v 2c -c public 10.21.8.109 ""
> NET-SNMP-EXAMPLES-MIB::netSnmpExampleHeartbeatNotification
> netSnmpExampleHeartbeatRate i 321321*
>
>   But it was not logged. My understanding is trap is send to SERVER and
> *snmptrapd* in SERVER is responsible for logging it. So what happened
> there?
>
>   Well maybe *snmptrapd* is not listening properly.  So I added the
> following directive to *snmptrapd.conf* (of SERVER) so that SERVER
> listens to CLIENT1
>   *snmpTrapdAddr udp:10.21.10.10:162
> <http://10.21.10.10:162>,udp6:[0:0:0:0:0:FFFF:0A29:0A0A]:162*
>
>   I tried step 2, again. Same issue.
>
>
>  I have spent 2 days trying to solve this. Can anybody help? What am I
> missing?
>
>
> Thanks and Regards,
> Aslam
>
>
>
>
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>


-- 
Thanks,
Pranesh

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