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RE: 12/8 problems?

From: Steve Gibbard <scg () gibbard org>
Date: Fri, 9 Sep 2005 09:35:57 -0700 (PDT)

On Fri, 9 Sep 2005, Israel, David B. wrote:





Richard A Steenbergen wrote on Friday, September 09, 2005 11:57 AM:

On Fri, Sep 09, 2005 at 11:44:05AM -0400, Drew Linsalata wrote:


Looks like 26210 is originating the prefixes and Telefonica is

happily

passing them along to the world, at least some portion of which is

glad

to go along for the ride.



$10 says someone forgot "ip classless".


I'll take that bet.  My $10 says they turned on auto-summary.


Here's what Telefonica is or has been announcing to peers with a
_12956_26210_ AS path (note that a bunch of these are currently history
entries, so aren't being announced at the moment).  It looks like a
corresponding classful announcement for every CIDR announcement, plus a
few more.


From http://lg.pch.net:


equinix-ashburn>sh ip bgp regex _12956_26210_
BGP table version is 8836678, local router ID is 157.22.13.84
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, 
              r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path
 h 12.0.0.0         206.223.115.107                        0 12956 26210 ?
 h 12.144.80.0/24   206.223.115.107                        0 12956 26210 i
 h 12.144.82.0/23   206.223.115.107                        0 12956 26210 ?
 h 12.144.84.0/22   206.223.115.107                        0 12956 26210 i
 h 64.0.0.0         206.223.115.107                        0 12956 26210 ?
 h 65.0.0.0         206.223.115.107                        0 12956 26210 ?
 h 65.173.56.0/21   206.223.115.107                        0 12956 26210 i
 h 200.11.68.0      206.223.115.107                        0 12956 26210 ?
 h 200.58.64.0/21   206.223.115.107                        0 12956 26210 ?
*> 200.58.160.0/23 206.223.115.107 0 12956 26210 25620 i *> 200.58.162.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.163.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.164.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.165.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.166.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.167.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.168.0 206.223.115.107 0 12956 26210 25620 i 
   Network          Next Hop            Metric LocPrf Weight Path
*> 200.58.169.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.170.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.171.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.172.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.173.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.174.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.175.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.176.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.177.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.178.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.179.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.180.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.181.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.182.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.183.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.184.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.185.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.186.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.187.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.188.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.189.0 206.223.115.107 0 12956 26210 25620 i *> 200.58.190.0 206.223.115.107 0 12956 26210 25620 i 
   Network          Next Hop            Metric LocPrf Weight Path
*> 200.58.191.0 206.223.115.107 0 12956 26210 25620 i *> 200.75.160.0/20 206.223.115.107 0 12956 26210 22541 22541 i *> 200.85.128.0 206.223.115.107 0 12956 26210 27714 i 
*> 200.85.128.0/23  206.223.115.107                        0 12956 26210 ?
*> 200.85.129.0 206.223.115.107 0 12956 26210 27714 i *> 200.85.130.0 206.223.115.107 0 12956 26210 27714 i *> 200.85.131.0 206.223.115.107 0 12956 26210 27714 i *> 200.85.132.0 206.223.115.107 0 12956 26210 27714 i *> 200.85.133.0 206.223.115.107 0 12956 26210 27714 i 
*> 200.85.134.0     206.223.115.107                        0 12956 26210 ?
*> 200.85.136.0     206.223.115.107                        0 12956 26210 ?
*> 200.85.137.0     206.223.115.107                        0 12956 26210 ?
*> 200.85.143.0 206.223.115.107 0 12956 26210 27714 i 
*> 200.105.128.0    206.223.115.107                        0 12956 26210 i
*> 200.105.129.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.130.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.131.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.132.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.133.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.134.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.135.0    206.223.115.107                        0 12956 26210 ?
   Network          Next Hop            Metric LocPrf Weight Path
 h 200.105.136.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.137.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.138.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.139.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.140.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.141.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.142.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.143.0    206.223.115.107                        0 12956 26210 ?
 h 200.105.144.0/20 206.223.115.107                        0 12956 26210 i
*> 200.105.160.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.192.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.193.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.194.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.195.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.196.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.197.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.198.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.199.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.200.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.201.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.218.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.219.0    206.223.115.107                        0 12956 26210 ?
   Network          Next Hop            Metric LocPrf Weight Path
*> 200.105.220.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.221.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.222.0    206.223.115.107                        0 12956 26210 ?
*> 200.105.223.0    206.223.115.107                        0 12956 26210 ?
*> 200.112.192.0/20 206.223.115.107 0 12956 26210 27722 27722 i *> 200.119.192.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.193.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.194.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.195.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.196.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.197.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.198.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.199.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.200.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.201.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.202.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.203.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.204.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.205.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.206.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.207.0 206.223.115.107 0 12956 26210 25620 i 
   Network          Next Hop            Metric LocPrf Weight Path
*> 200.119.208.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.209.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.210.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.211.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.212.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.213.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.214.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.215.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.216.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.217.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.218.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.219.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.220.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.221.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.222.0 206.223.115.107 0 12956 26210 25620 i *> 200.119.223.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.64.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.65.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.66.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.67.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.68.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.69.0 206.223.115.107 0 12956 26210 25620 i 
   Network          Next Hop            Metric LocPrf Weight Path
*> 201.222.70.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.71.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.72.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.73.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.74.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.75.0 206.223.115.107 0 12956 26210 25620 i *> 201.222.77.0 206.223.115.107 0 12956 26210 25620 i 
 h 205.241.34.0     206.223.115.107                        0 12956 26210 ?
 h 205.241.35.0     206.223.115.107                        0 12956 26210 ?
 h 205.241.36.0     206.223.115.107                        0 12956 26210 ?
 h 205.241.37.0     206.223.115.107                        0 12956 26210 ?
 h 205.241.38.0     206.223.115.107                        0 12956 26210 ?
 h 205.241.39.0     206.223.115.107                        0 12956 26210 ?
 h 206.107.148.0    206.223.115.107                        0 12956 26210 ?
 h 206.107.149.0    206.223.115.107                        0 12956 26210 ?
 h 206.107.150.0    206.223.115.107                        0 12956 26210 ?
 h 206.107.151.0    206.223.115.107                        0 12956 26210 ?
 h 208.1.190.0      206.223.115.107                        0 12956 26210 ?

-Steve
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