From: Peter van Oene (pvo@usermail.com)
Date: Wed Aug 11 2004 - 09:36:59 GMT-3
>I think the point of the question was if that using the command default
>information originate was necessary to install a default route. And if
>the default route being installed was normal behavior. I am just trying
>to help the individual. Unlike other companies, I don't focus on
>attacking other individuals. I focus on solutions. I don't have to take
>the exam. It is Kaloyan who has to take the exam. So it is important
>that he understands why the default route appears in the routing table.
>Here is the link for more information:
>http://www.cisco.com/en/US/tech/tk365/tk381/technologies_white_paper0918
>6a00800a3e6f.shtml
>Team, if anyone else has any trouble understanding this, please let me
>know.
>:) Again im not here to debate, I don't like to see a lot of threads, im
>here to help.
With all due respect john, Scott did not attack you, he, as I, corrected a subtle, and commonly made, mistake in order to ensure that the person asking the question had the correct answer, and that the archives also reflect accurate info.
>Sincerely,
>John Matijevic, CCIE #13254, MCSE, CNE, CCEA
>Network Consultant
>Hablo Espanol
>305-321-6232
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Scott Morris
>Sent: Sunday, August 08, 2004 10:42 AM
>To: 'john matijevic'; k_kaloianov@eircom.net; ccielab@groupstudy.com
>Subject: RE: isis and ATT bit=1
>
>Actually, the default route is not "sent" at all. The ATT bit indicates
>connection to an outside area. As soon as L1 routers see routes with
>the
>ATT bit set, they will create a default route pointing to the router
>that
>sent the ATT-bit routes.
>
>HTH,
>
>
>Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
>CISSP,
>JNCIP, et al.
>IPExpert CCIE Program Manager
>IPExpert Sr. Technical Instructor
>swm@emanon.com/smorris@ipexpert.net
>http://www.ipexpert.net
>
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>john
>matijevic
>Sent: Sunday, August 08, 2004 9:54 AM
>To: k_kaloianov@eircom.net; ccielab@groupstudy.com
>Subject: RE: isis and ATT bit=1
>
>Hello Kaloyan,
>What you are seeing is normal behavior with IS-IS, basically it treats
>each
>level-1 router as a stub area. It will send a default route to a
>level-1 area. IF you have a level-1-2 domain you can configure route
>leaking
>so that the individual routes will show up with the default. For more
>information on that see the following link:
>http://www.cisco.com/en/US/tech/tk365/tk381/technologies_tech_note09186a
>0080093f39.shtml
>:)
>
>Sincerely,
>John Matijevic, CCIE #13254, MCSE, CNE, CCEA Network Consultant Hablo
>Espanol
>305-321-6232
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>k_kaloianov@eircom.net
>Sent: Sunday, August 08, 2004 7:06 AM
>To: ccielab@groupstudy.com
>Subject: isis and ATT bit=1
>
>Hi Group,
>
>just a dumb question about isis and IOS ver 12.2, I'm just having two
>areas
>and one router in one area and two in the other one, the two routers are
>L1
>and L1/L2 and the other one is L2 or L2/L1, I just want to know whether
>we
>have to use clns router isis command on L2/L1 iterface connecting /w L1
>router or alternatively default-information originate and default static
>route to null interface in order to propagate default route to L1
>router?
>The behaviour that I saw was that even without any of the above
>configuration there was a default route created in L1 routing table?
>Thanks
>in advance:)
>
>Reg,
>
>Kaloyan-:)
>
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