From: Scott Morris (swm@emanon.com)
Date: Mon Sep 15 2008 - 09:51:21 ART
LSA types.
Internal = area-range
External = summary-address
HTH,
Scott Morris, CCIE4 #4713, JNCIE-M #153, JNCIS-ER, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Roger Oliver
Sent: Monday, September 15, 2008 1:13 AM
To: ccielab@groupstudy.com
Subject: OSPF discard-route
okay fuzzy understanding
R1 <--Area1--> R2 <--Area0--> R3 <--Area2--> R4
R2 is summarizing 1.1.0.0/22 (which are the hosts on R1)
R4 is summarizing 4.4.0.0/22 (which are it's local loopbacks)
Why do I put on
R2 "no discard-route internal"
R4 "no discard-route external"
What is the logic?
R4 is doing it's own summary or it's own connected routes so they are
"external"?
While R2 is summarizing routes it gets from another host so they are
"internal"?
Is this just another one of those it made sense to the person that wrote it
when they were drinking beers and coding at 4am on their last day on the
job?
Thank you for comments.
Now that I write this it makes more sense but clarification of my bad dream
would be appreciated.
roger
divineone@divine-wind.net
Blogs and organic groups at http://www.ccie.net
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