Re: snmptrap to localhost

"Dave Shield" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
On 22/05/07, Daniel Coelho <[email protected]> wrote:
> When I do
> snmptrap  -v 1 -c public  localhost   ''  0 0  '' coldStart.0
> or
> snmptrap  -v 1 -c public   127.0.0.1  ''  0 0  '' coldStart.0
> or
> snmptrap  -v 1 -c public   172.18.50.103  ''  0 0  '' coldStart.0
> I get nothing with tcpdump. ( 172.18.50.103 being my IP)


If you are sending traffic to the local machine, it will probably
use the loopback interface, and never actually appear on
the network at all.  I suspect that tcpdump is monitoring
the actual traffic visible on the network, so doesn't see such
loopback traffic.

Are you running a trap receiver on the local box?
If so, how did you start it?

Dave

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