Re: Net-SNMP: forward function

On 9 September 2011 20:31, Tang, Peter <[email protected]> wrote:
> Look like the forward function only has two options: forward traps base on OID or Default

Essentially, yes.
That's how the snmptrapd trap handling is modelled - given
such-and-such a notification,
what should be done with it?   That could be logging the trap,
forwarding it to another
destination, or passing it to a script  (or some combination of these)



> Anyone know how can the forward function be used to forward traps base on IP address ?
> For example,  forward  IP123  <destination host>

Source-based filtering has never really been part of the SNMP framework,
and it's certainly not currently supported within snmptrapd.

The simplest way to add this would probably be to write a traphandler script
(registered as a 'default' handler),  which would examine the source information
and decide whether to forward it or not.
   Or you could do this in code, by making a copy of the existing
'forward_handler'
routine, and tweaking that.

But this functionality is not present as things stand.

Dave

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