The example in the Cisco Press book rather. The half-life actually will determine the rate of decay. As I said, the time that it takes for the penalty to decay by half is the half-life time. Therefore, the half-life determines the decay rate.
On Wed, Mar 17, 2010 at 4:54 PM, Joe Astorino <[email protected]>wrote: > Actually, that is not correct. The half-life is the amount of time it > takes for the penalty to decay by half of the original value. For instance > -- If you have a penalty of 1000 on a prefix assigned, with a default > half-life of 15 minutes, than after 15 minutes the penalty will be at 500. > > The specific example that was brought up on cisco.com appears to be > inaccurate. Don't worry, it's not the first time : ) > > > > > On Wed, Mar 17, 2010 at 4:50 PM, Patrice Ngassam <[email protected]>wrote: > >> 15 minutes is the time it will take to decrease the penalty to zero, in >> 7.5 minutes the penalty will reach half of its initial value. half-time has >> more to do with Penalty than Time. >> >> *Patrice Ngassam* >> *Ceritified Cisco CCNP, CCDP, CCIP* >> >> >> >> >> ------------------------------ >> From: [email protected] >> Date: Wed, 17 Mar 2010 16:35:19 -0400 >> To: [email protected] >> CC: [email protected] >> Subject: Re: [OSL | CCIE_RS] BGP Route Dampening >> >> >> Well, what is the original penalty value given? >> >> >> On Wed, Mar 17, 2010 at 4:31 PM, Cristian Nedelcu < >> [email protected]> wrote: >> >> "The rate of decrease in the penalty is a function of the half-life. The >> half-life >> is the amount of time for the penalty to decrease to half of its current >> value. If the half-life is 15 minutes, the penalty decreases to 500 in 7.5 >> minutes." >> From BGP-4 Command and Configuration Handbook >> >> why 7,5 min and not 15 min ? >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> >> >> >> -- >> Regards, >> >> >> >> Joe Astorino - CCIE #24347 (Earned not bought) >> Sr. Technical Instructor - IPexpert >> Mailto: [email protected] >> Telephone: +1.810.326.1444 >> Live Assistance, Please visit: www.ipexpert.com/chat >> eFax: +1.810.454.0130 >> >> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, >> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco >> CCIE (R&S, Voice, Security & Service Provider) certification(s) with >> training locations throughout the United States, Europe, South Asia and >> Australia. Be sure to visit our online communities at >> www.ipexpert.com/communities and our public website at www.ipexpert.com >> >> ------------------------------ >> Envie de naviguer sur Internet sans laisser de trace? La solution avec >> Internet Explorer 8 <http://clk.atdmt.com/FRM/go/207186970/direct/01/> >> > > > > -- > Regards, > > > > Joe Astorino - CCIE #24347 (Earned not bought) > Sr. Technical Instructor - IPexpert > Mailto: [email protected] > Telephone: +1.810.326.1444 > Live Assistance, Please visit: www.ipexpert.com/chat > eFax: +1.810.454.0130 > > IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, > Audio Tools, Online Hardware Rental and Classroom Training for the Cisco > CCIE (R&S, Voice, Security & Service Provider) certification(s) with > training locations throughout the United States, Europe, South Asia and > Australia. Be sure to visit our online communities at > www.ipexpert.com/communities and our public website at www.ipexpert.com > -- Regards, Joe Astorino - CCIE #24347 (Earned not bought) Sr. Technical Instructor - IPexpert Mailto: [email protected] Telephone: +1.810.326.1444 Live Assistance, Please visit: www.ipexpert.com/chat eFax: +1.810.454.0130 IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE (R&S, Voice, Security & Service Provider) certification(s) with training locations throughout the United States, Europe, South Asia and Australia. Be sure to visit our online communities at www.ipexpert.com/communities and our public website at www.ipexpert.com
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