Thanks, I now noticed that there is also some more detail about this in the IP Configuration Guide: LSA Group Pacing.
----- Original Message ----- From: To: "ericbrouwers" Sent: Thursday, January 23, 2003 6:09 PM Subject: Re: OSPF 30 minutes topology table exchange [7:61617] > > Each LSA is aged and a summary is sent in the proper time. See, each LSA > can have a different age time. You can see that with 'show ip ospf > database'. > > > > > > "ericbrouwers" @groupstudy.com em 22/01/2003 > 18:50:08 > > Favor responder a "ericbrouwers" > > Enviado Por: [EMAIL PROTECTED] > > > Para: [EMAIL PROTECTED] > cc: > > Assunto: OSPF 30 minutes topology table exchange [7:61617] > > > Hello, > > Again for those reading Cisco Press' CCNP Routing Exam Certification Guide. > > It's not clear to me how often the OSPF topology table is exchanged by > default. I thought this happened every 30 minutes, regardless of other > recent > updates. The cert. guide is not consistent about this: > > Page 166: > "...Although OSPF sends the entire table every 30 minutes after the last > update, this is far less demanding of network resources than the older > protocol, RIP. ..." > Page 172: > " ... However, 30 minutes after the last update was received, a compressed > version of the table is propagated. ..." > Page 185: > "... OSPF will send summary information every 30 minutes, regardless of > whether incremental updates have been sent in that time..." > Page 186: > "...Involves updates sent as required (when changes are seen) and every 30 > minutes after no change has been seen..." > Page 216: > "... synchronized, incremental updates will be sent to the neighbors as > soon > as a change is perceived, as well as every 30 minutes...." > Page 288: > "...The topology table is exchanged between adjacent routers at least every > 30 > minutes..." > > Maybe one of the OSPF gurus knows this by heart, saving me some RFC reading > and CCO searching time? > > Thanks, > > Eric Brouwers. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=61712&t=61617 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
