11K pps would be a bit much ;-) I was wondering why it was rounded to the nearest thousandth - thought maybe it was a cut and paste from some utility that was tracking it to the thousandth!
Yes - bridging loops are bad and have caused me great grief on several occasions. As you mentioned unicast will cause just as much grief as any other type of traffic. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Graeme Fowler Sent: Monday, April 14, 2008 11:19 AM To: [email protected] Subject: Re: [Ntop] NTOP against Broadcast Storms On Mon, 2008-04-14 at 11:06 -0500, Gary Gatten wrote: > 11 or 100 pps is nothing - not even close to anything to worry about. A 10Mb Ethernet "network" does over 19K pps. Most broadcast storm control features default to several thousand pps, so really - 11 or a 100 is a tiny fraction of a percent or available bandwidth. I think Jeronimo's email ost a bit in translation - it was 11kpps, phrased as "11.000 pps". Not every written language uses a comma as a decimal separator for positive powers of ten :) > Switching Loops don't cause broadcast storms. If there is a loop it won't be found looking for excessive broadcasts. Loops in ethernet networks cause all manner of lunacy, because they amplify anything that isn't unicast. After some time (depending on hardware), they amplify unicast too as the L2 devices involved age out or conflict out their MAC tables; once most switches see MAC addresses on several ports they can get a little confused! Jeronimo - you gave no indication of your network topology, and only a vague description of what happened so it's tricky to tell you why you didn't see the problem with ntop. Graeme _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop <font size="1"> <div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'> </div> "This email is intended to be reviewed by only the intended recipient and may contain information that is privileged and/or confidential. If you are not the intended recipient, you are hereby notified that any review, use, dissemination, disclosure or copying of this email and its attachments, if any, is strictly prohibited. If you have received this email in error, please immediately notify the sender by return email and delete this email from your system." </font> _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
