[Click] SNMPTrapSource

Paine, Thomas Asa PAINETA at uwec.edu
Wed Oct 3 15:25:48 EDT 2007


Eddie,
        Thank you very much.  I had the trap part working, I guess I was curious what people's configurations might look like after the trap source.  For my prototype, I just ran the UDP packets, from the SNMPTrapSource, through an EtherEncap to at least get a sensible frame on the wire... (where eth5 below is really the management interface for the box, for SSH etc, as well)

<snip>
ee::EtherEncap(0x0800, 1:1:1:1:1:1, ff:ff:ff:ff:ff:ff);
trapSource -> ee -> trapQueue::Queue -> trapIf::ToDevice(eth5);
</snip>

        However, the managment DST could easilly be off the local network, and I probably should not be broadcasting the traps even if it  wasn't.  :)  Just curious what people were doing to address trap destinations off the interface's subnet, getting the interface's hardware address, a gateway's MAC address, etc, at runtime.  I do see your usage of "Script", which may be the solution I need.  Or, using proc to modify the EtherEncap after it's up, I don't know.

        Feedback/discussion is more than welcome.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
   Thomas Paine {paineta at uwec.edu)}
   University of Wisconsin - Eau Claire
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


-----Original Message-----
From: Eddie Kohler [mailto:kohler at cs.ucla.edu]
Sent: Wednesday, October 03, 2007 2:00 PM
To: Paine, Thomas Asa
Cc: 'click at amsterdam.lcs.mit.edu'
Subject: Re: [Click] SNMPTrapSource

Thomas,

I've just checked in a sample script, uncommented unfortunately, into the snmp
packages directory, in conf/test-trap.click.  This script requires the very
latest click as well (for the "goto begin CONDITION" construct).

http://www.read.cs.ucla.edu/gitweb?p=click-packages;a=blob;f=snmp/conf/test-trap.click;hb=HEAD

Eddie


Paine, Thomas Asa wrote:
>         Does anyone have a working example configuration, which uses SNMPTrapSource, they would be willing to share?
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    Thomas Paine {paineta at uwec.edu)}
>    University of Wisconsin - Eau Claire
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
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> click at amsterdam.lcs.mit.edu
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