Hi Dave, Thanks very much for your time; you've saved me a lot of mine.
Re the receiving entity, it's HP OpenView, which I'm sure is fancy enough to do what I was after; now that you've cleared up some of my quandaries. Regards, Doug. On 8 February 2010 18:51, Dave Shield <[email protected]> wrote: > On 8 February 2010 06:00, Doug Brown <[email protected]> wrote: >> I need >> to notify some other (remote) node (that will eventually poll the >> table in full - but not regularly) via a trap that one of the table >> entries has changed. Is there a normal way to do this? > > Send a trap, including one or more varbinds that indicate which > row of the table is affected. > > >> Is it normal to send a trap having bound variables to each of the >> fields in the sequence (with the suffixed table-entry-index on the >> OIDs)? > > Yes. > Not necessarily the whole of that row - it would be perfectly > sensible to just send the most useful columns from the row. > (Though you could send the whole row if you wished) > > > >> My (very limited) understanding is that sending a trap with bound >> variables will update the other end's copy of the variables > > It's up to the receiving entity as to what it does with the trap > varbinds. This might update some local cache. This might > trigger a retrieval of that row of the table. This might trigger a > retrieval of the whole table. Or it might be ignored completely. > > It all depends on what application receives the trap (and how > it has been written and/or configured). > > As a trap implementor - this isn't directly your concern. > Identify what information would be most useful, and send that. > It's then up to the trap receiver to decide what to do next. > > >> it's ok to send a trap in the interim before the remote node does a >> get/getnext... to update the whole table. Am I barking up the right >> tree? > > Yes. > > Dave > ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ Net-snmp-users mailing list [email protected] Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
