North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: What is a reasonable range for global BGP table size?
On Thu, Jul 18, 2002 at 11:11:18AM -0600, Kris Foster wrote: > > That number is still too high since some people are advertising their /25 to > /32 prefixes to the route-views box.. true, but unless you do ingress filtering of your upstream (which most smaller ASes do not do) your numbers may be wrong. People also leak internal routes to route-views at times also i've noticed. (still talking about the same route-views snapshot) count netmask % cut -d: -f2 oix.home_as.out | cut -d/ -f2 | sort -n | uniq -c 25 8 6 9 7 10 12 11 36 12 99 13 269 14 514 15 9764 16 1537 17 2778 18 8378 19 8131 20 6075 21 9949 22 12258 23 73921 24 468 25 419 26 354 27 378 28 241 29 225 30 105 32 - jared > > Kris > > > > -----Original Message----- > > From: Jared Mauch [mailto:[email protected]] > > Sent: Thursday, July 18, 2002 12:47 PM > > To: Robert Boyle > > Cc: [email protected] > > Subject: Re: What is a reasonable range for global BGP table size? > > > > > > > > I was going off my data analysis of > > route-views data. > > > > wc -l oix.home_as.out > > 135949 oix.home_as.out > > > > this file has prefix:home_asn > > > > (where home_asn is the last asn in the as_path. prefixes > > with inconsistent home_as will appear twice. this may be > > cause of some > > of your confusion. eliminating those brings it to 120131 prefixes) > > > > - jared > > > > On Thu, Jul 18, 2002 at 12:37:09PM -0400, Robert Boyle wrote: > > > > > > At 11:26 AM 7/18/2002 -0400, you wrote: > > > >Hmm. > > > > > > > >We don't filter, and > > > > > > > >112942 network entries and 391859 paths using 25288182 > > bytes of memory > > > > > > We don't filter either and... > > > > > > 117800 network entries and 339843 paths using 23660948 > > bytes of memory > > > > > > > > > "about 135k prefixes last i checked." is not what we see > > here from any of > > > our upstreams. > > > > > > > > > -Robert > > > > > > > > > > > > > > > Tellurian Networks - The Ultimate Internet Connection > > > http://www.tellurian.com | 888-TELLURIAN | 973-300-9211 > > > "Good will, like a good name, is got by many actions, and > > lost by one." - > > > Francis Jeffrey > > > > -- > > Jared Mauch | pgp key available via finger from [email protected] > > clue++; | http://puck.nether.net/~jared/ My statements > > are only mine. > > -- Jared Mauch | pgp key available via finger from [email protected] clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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