On Wed, Jan 28, 2004 at 04:33:37PM -0800, Joubin Moshrefzadeh wrote: > Ok, here's a question... I've seen all sorts of applications of MRTG and > RRDtool to keep track of traffic patterns, but no mention of actual network > downtime or uptime.
I think I've seen it mentioned. Can't remember when. > Perhaps this isn't as big a deal to most users, I don't know. But anyway, my > boss would like some stats to show our overall campus networks > health/connectivity rates... anyone tried to gather this kind of stats using > RRDtool and if so, would you like to share your approach? > > I have a crude approach: > 1. do an snmpget on a switch > 2. based on the response, increment an uptime or downtime counter (both are > DS in an rrd) > 3. generate graphs showing downtime (percentage) and uptime Why two counters. Isn't uptime+downtime equal to 100% ? How are you going to determine the amount of up- and downtime in each polling interval? Perhaps device uptime is the best to look at. If you have a redundant router (or so), when do you speak of downtime? HTH Alex -- begin sig http://www.googlism.com/index.htm?ism=alex+van+den+bogaerdt&type=1 This message was produced without any <iframe tags -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
