imapper has always been right about discards... when i get an alert about discards, I know there is high traffic..
so when do you get discards ... traffic over what you can push busty traffic example: quick traffic that burst rapidly (micro bursts) when you have a rate limiter on interface QOS settings on switch (even the default qos) mis-configured interfaces i have learned that if you are interested in discards choose your device wisely. some devices is just a mystery about discards.. -----Original Message----- From: [email protected] on behalf of Kevin Wigle Sent: Thu 9/8/2011 12:03 AM To: 'InterMapper Discussion' Subject: RE: [IM-Talk] SNMP Issues nope - in all the years in this job I have only seen 2 switches configured with that and they were local. If I set that option will that stop IM from bubbling? I still wonder, what does IM see that the hardware won't show me directly? And since IM is polling the hardware to get info to display bubbles - what is actually happening - and what is to be believed? Kevin -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Evan Gamblin Sent: 07 September, 2011 11:21 PM To: InterMapper Discussion Subject: Re: [IM-Talk] SNMP Issues Kevin: Don't you usually set Ignore Interface Discards on switches? Evan On 2011-09-07, at 10:31 PM, Kevin Wigle wrote: > Dear Group, > > I'm sure this has been touched on before but I need a refresher on > just how error indications on Intermapper relate to the actual > hardware being monitored. > > Specifically we have a site that has two switches connected at 100 full. > > Often the link between the switches will be "bubbling" away. Open > status and it will say something like 4000 discards a minute (and higher). > > When I telnet to the switch and show stats on the interface the only > errors I see are 16 FCS errors. Not quite the 4000+ I expected to see. > > So what do I trust? > > How do I explain to other support personnel just what it means when IM > says that but the actual hardware says something else? > Especially bosses - they want to see that IM is actually worth having > but if we can't trust what we see - then what? > > All opinions welcome. > > regards, > > Kevin > > ____________________________________________________________________ > List archives: > http://www.mail-archive.com/intermapper-talk%40list.dartware.com/ > To unsubscribe: send email to: [email protected] > ____________________________________________________________________ List archives: http://www.mail-archive.com/intermapper-talk%40list.dartware.com/ To unsubscribe: send email to: [email protected] ____________________________________________________________________ List archives: http://www.mail-archive.com/intermapper-talk%40list.dartware.com/ To unsubscribe: send email to: [email protected] ____________________________________________________________________ List archives: http://www.mail-archive.com/intermapper-talk%40list.dartware.com/ To unsubscribe: send email to: [email protected]
