Re: Need help with snmptrapd command

Alan,
I did think about it but the issue with that approach is that it is
MIB-version dependent.
For SNMP-v1, you would have to send the command as "snmptrap -v 1 -c
......." and
for SNMP-v2, it would be like "snmptrap -v 2c -c ...." ...
I am interested in a generic solution

-Hemanth


On Tue, Jul 19, 2016 at 8:19 PM, Robson, Alan <[email protected]>
wrote:

> Maybe you could wrap the snmptrap executable in a shell script.
>
>
>
> ie. Make a shell script called snmptrap that reads in the commandline
> variables and then calls the “real” snmptrap with the additional port
> information added. Put the snmptrap shell script somewhere in the path
> ahead of the real net-snmp executable.
>
>
>
> Alan
>
>
>
> *From:* Hemanth Kumar [mailto:[email protected]]
> *Sent:* Tuesday, July 19, 2016 5:20 AM
> *To:* [email protected]
> *Subject:* Need help with snmptrapd command
>
>
>
> HI,
>
> I am trying to figure out a way by which I can send following trap command
> without adding/mentioning the port number. The receiver is receiving the
> trap when the custom port number is mentioned
> snmptrap -v 2c -c rscommunity <DEST-IP-ADDRESS>:166 ""
> TRAP-TEST-MIB::demotraps  SNMPv2-MIB::sysLocation.0 s "some message"
>
> By default, the following command does not require the port number to be
> mentioned when the snmptrapd is using the default port-161.
>
> snmptrap -v 2c -c rscommunity <DEST-IP-ADDRESS> ""
> TRAP-TEST-MIB::demotraps  SNMPv2-MIB::sysLocation.0 s "some message"
>
> Additional info:
>
> firewall opened for the above mentioned custom port
>
> SELINUX
>
> /etc/sysconfig/selinux has the following edit  "SELINUX=disabled"
> (essentially SELINUX is off)
>
>
>
> So far, I have been following the
> http://www.net-snmp.org/tutorial/tutorial-5/commands/snmptrap.html
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.net-2Dsnmp.org_tutorial_tutorial-2D5_commands_snmptrap.html&d=CwMFaQ&c=jcv3orpCsv7C4ly8-ubDob57ycZ4jvhoYZNDBA06fPk&r=xN9AnMDZvO_QvUZQZcoply6WFqSJuNcpv-dDu2fA4Ac&m=syhCJx6f_QiHrEJ_3yynUp8lWw1ZVzUv30Y88ft2daM&s=TzXSUtOIyBeBB7JwGqpM1HwKyI5SA6cYhZ5As2wG8kc&e=>
> to understand/test
>
>
>
> Test Bed
>
> 2xservers with NET-SNMP version:  5.7.2 on CentOS 7.2
>
> Thanks in advance
>
> -Hemanth
>

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