ASB Link summary is the distance from ABR to ASBR. http://www.cisco.com/en/US/tech/tk648/tk365/technologies_white_paper09186a00800943a1.shtml
Wei ----- Original Message ----- From: "ericbrouwers" To: Sent: Wednesday, January 22, 2003 4:48 PM Subject: Wrong definition type 4 summary LSA for ASBRs [7:61615] > Hi, > > For those that are reading Cisco Press' CCNP Routing Exam Certification > Guide: > there is a very confusing definition of type 4 summary LSAs on page 292, > chapter 6: > > The AS external ASBR summary link- This LSA is sent to a router that connects > to the outside world (ASBR). It is sent from the Area Border Router to the > Autonomous System Boundary Router. The LSA contains the metric cost from the > ABR to the ASBR. This is identified as a Type 4 LSA. > > In my opinion this is wrong, isn't it? Or maybe I'm missing something? > > My understanding is that a type 4 summary LSA is originated by ABRs.It is > sent > into an area by the ABR to advertise the AS boundary routers. > > Could someone confirm my understanding? > > Eric Brouwers Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=61735&t=61615 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
