On Tue, September 1, 2009 17:41, Jim Avery wrote: > 2009/9/1 David Dyer-Bennet <[email protected]>: >> Is this "best practice" in the opinion of the community? Or is using >> SNMP >> to monitor something inside the router better somehow? And if so, WHAT? > > > Good question. One person's 'best practice' is another person's > over-kill or under-kill.
Ain't it the truth! And they're probably right for their actual situation, even. > My golden rule is "only monitor something if you're going to be > interested in it". This seems to be getting back to Steinbach's Guildeline for Systems Programming: never test for an error condition you don't know how to handle. > For routers this usually means I simply ping them, > but often I'm interested in bandwidth of specific interfaces too so I > make sure specific WAN links are monitored for bandwidth, errors, > discards and so on using the plugins from http://www.manubulon.com Another group is responsible for that level of network maintenance. I hope they're monitoring that sort of detail. > It's often a good idea to have the router send you SNMP traps - you'll > need to configure snmptt to handle them though, maybe using NagTrap. > I often find I get more traps than I'm interested in though - which > breaks the golden rule (see above) - so I then need either to filter > the traps out in the snmptt config or prevent the router from sending > them in the first place. I probably can't get traps sent to me. But, really, I only care about routers in terms of what parts of the topology I can and can't reach, and ping will tell me that. > I used to monitor each router interface using ping, but now I think > that's usually overkill. It just depends ... Right. Thanks. -- David Dyer-Bennet, [email protected]; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Nagios-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
