87 messages in net.nether.puck.cisco-nsp[c-nsp] Growing BGP tables
FromSent OnAttachments
Vincent De KeyzerNov 19, 2004 6:46 am 
Gert DoeringNov 19, 2004 9:01 am 
David J. HughesNov 21, 2004 5:15 pm 
Ryan O'ConnellNov 21, 2004 5:43 pm 
Brian FeenyNov 21, 2004 9:16 pm 
Jon LewisNov 21, 2004 9:49 pm 
Gert DoeringNov 22, 2004 2:55 am 
Ian DickinsonNov 22, 2004 4:11 am 
Neil J. McRaeNov 22, 2004 4:52 am 
Ian DickinsonNov 22, 2004 5:47 am 
David J. HughesNov 22, 2004 6:45 am 
Gert DoeringNov 22, 2004 7:36 am 
Rainer BorromeoNov 22, 2004 8:39 am 
Jared MauchNov 22, 2004 10:19 am 
Gert DoeringNov 22, 2004 11:07 am 
Łukasz BromirskiNov 22, 2004 11:15 am 
Brian FeenyNov 22, 2004 12:04 pm 
Gunther StammwitzNov 22, 2004 1:51 pm 
Jared MauchNov 22, 2004 2:03 pm 
Michael LyngbølNov 22, 2004 2:15 pm 
Gunther StammwitzNov 22, 2004 2:19 pm 
David J. HughesNov 22, 2004 2:44 pm 
Brian FeenyNov 22, 2004 4:48 pm 
David J. HughesNov 22, 2004 4:53 pm 
Rodney DunnNov 22, 2004 4:58 pm 
David J. HughesNov 22, 2004 4:59 pm 
David J. HughesNov 22, 2004 5:17 pm 
Randy BushNov 22, 2004 5:21 pm 
David J. HughesNov 22, 2004 5:31 pm 
Randy BushNov 22, 2004 5:34 pm 
Brian FeenyNov 22, 2004 5:38 pm 
Rodney DunnNov 22, 2004 8:17 pm 
Rodney DunnNov 22, 2004 8:31 pm 
Michael LyngbølNov 23, 2004 2:44 am 
Neil J. McRaeNov 23, 2004 5:10 am 
Neil J. McRaeNov 23, 2004 5:10 am 
Gert DoeringNov 23, 2004 5:24 am 
Michael LyngbølNov 23, 2004 5:29 am 
Neil J. McRaeNov 23, 2004 5:38 am 
Michael LyngbølNov 23, 2004 5:39 am 
Martin RobinsonNov 23, 2004 5:50 am 
Tantsura, JeffNov 23, 2004 5:51 am 
Neil J. McRaeNov 23, 2004 6:42 am 
Ben CrockerNov 23, 2004 6:54 am 
ege iyiogluNov 23, 2004 9:28 am 
Tantsura, JeffNov 23, 2004 10:17 am 
Rodney DunnNov 23, 2004 10:39 am 
Tantsura, JeffNov 23, 2004 11:12 am 
Rodney DunnNov 23, 2004 11:38 am 
Brian FeenyNov 23, 2004 12:11 pm 
Rodney DunnNov 23, 2004 12:33 pm 
Gert DoeringNov 23, 2004 3:01 pm 
David J. HughesNov 23, 2004 4:42 pm 
Rodney DunnNov 23, 2004 7:33 pm 
Brian FeenyNov 23, 2004 7:37 pm 
David J. HughesNov 23, 2004 8:30 pm 
Mihai CHELARUNov 24, 2004 5:07 am 
Gert DoeringNov 24, 2004 7:27 am 
Rodney DunnNov 24, 2004 8:27 am 
David J. HughesNov 24, 2004 6:28 pm 
Krzysztof AdamskiNov 24, 2004 10:33 pm 
Robert BoyleNov 25, 2004 12:48 am 
Bill WichersNov 25, 2004 12:56 am 
Krzysztof AdamskiNov 25, 2004 9:44 am 
Stephen J. WilcoxNov 26, 2004 9:21 am 
Gert DoeringNov 26, 2004 10:03 am 
Stephen J. WilcoxNov 26, 2004 11:09 am 
Gert DoeringNov 26, 2004 11:20 am 
Stephen J. WilcoxNov 27, 2004 6:53 am 
Rodney DunnNov 30, 2004 6:40 pm 
David J. HughesNov 30, 2004 7:26 pm 
Rodney DunnNov 30, 2004 10:30 pm 
Randy BushDec 1, 2004 12:30 am 
David J. HughesDec 1, 2004 12:57 am 
lee....@census.govDec 1, 2004 8:59 am 
Rodney DunnDec 1, 2004 9:18 am 
lee....@census.govDec 1, 2004 11:18 am 
David J. HughesDec 1, 2004 8:40 pm 
Randy BushDec 1, 2004 8:51 pm 
Rodney DunnJan 27, 2005 11:41 am 
Gert DoeringJan 27, 2005 11:45 am 
Rodney DunnJan 27, 2005 11:48 am 
David J. HughesJan 27, 2005 11:42 pm 
Joe MaimonJan 28, 2005 8:28 am 
Jon LewisJan 28, 2005 9:25 am 
Joe MaimonJan 28, 2005 9:52 am 
Jon LewisJan 28, 2005 10:25 am 
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Subject:[c-nsp] Growing BGP tablesActions...
From:David J. Hughes (bam@Hughes.com.au)
Date:Jan 27, 2005 11:42:04 pm
List:net.nether.puck.cisco-nsp

For the record there were only two people that attached cases to:

That's incredible. I can't believe that so few people would see the benefit in this. I know one of those attachments was mine.

What about if we just had a per neighbor filter that would filter out more specific prefixes as they come in. Once the more specific is filtered then it's gone until you do a soft clear to get it back.

I think this breaks the semantics that we all rely upon too much. Having a specific prefix disappear from some other bloke's network because I remove a supernet isn't really a nice situation to be in. Particularly as I can't do the soft reset for him.

However, going out into theoretical realms here, the main problem is the RIB / FIB consumption right? Would there be a chance that the removed prefixes could be stored in another are of RAM in a compact manner and tagged with the prefix that caused them to be filtered. If the non-filtered prefix is removed then the filtered prefixed could be reinstated. This would allow the current semantics to remain while still giving us some of the benefits we are looking for.

Once again, not knowing anything about the internals of IOS's BGP implementation etc, would something like that be possible or am I barking mad.

David ...