[outages] Cogent / IAD / Ashburn

[Randy McAnally]

Anyone noticing random src/dest IP pairs being blackholed at the Cogent 
peer router(s) since 4AM EST?

No rhyme or reason.   Even cogent customer IPs.  I'm guessing a failing 
LAG somewhere...

mtr x.x.101.98 --address x.x.160.80

  Host                                                                    
                                   Loss%  Last   Avg  Best  Wrst StDev
  1. 209.9.238.161                                                        
                                    0.0%   0.4   0.5   0.4   0.6   0.1
  2. 38.122.250.x                                                         
                                    0.0%  17.7   4.6   0.6  17.7   7.4
  3. te1-6.ccr02.iad01.atlas.cogentco.com                                 
                                    0.0% 190.9 120.3   1.1 190.9  74.3
  4. te0-8-0-33.ccr41.iad02.atlas.cogentco.com                            
                                    0.0%   0.8   1.4   0.7   3.8   1.3
  5. be2177.ccr22.dca01.atlas.cogentco.com                                
                                    0.0%   2.0   2.0   1.8   2.3   0.2
     be2112.mpd22.dca01.atlas.cogentco.com
  6. be2155.mpd22.ord01.atlas.cogentco.com                                
                                    0.0%  21.1  21.0  20.9  21.1   0.1
     be2154.mpd21.ord01.atlas.cogentco.com
     be2153.ccr22.ord01.atlas.cogentco.com
     be2152.ccr21.ord01.atlas.cogentco.com
  7. te0-4-0-5.ccr22.mci01.atlas.cogentco.com                             
                                    0.0%  32.8  32.8  32.7  33.0   0.1
     te0-4-0-0.mpd22.mci01.atlas.cogentco.com
     te0-0-0-3.mpd22.mci01.atlas.cogentco.com
  8. be2132.ccr21.sfo01.atlas.cogentco.com                                
                                    0.0%  70.8  70.8  70.5  71.6   0.4
     be2133.ccr22.sfo01.atlas.cogentco.com
     be2135.mpd22.sfo01.atlas.cogentco.com
     be2134.mpd21.sfo01.atlas.cogentco.com
  9. be2166.ccr21.sjc01.atlas.cogentco.com                                
                                    0.0%  72.0  72.3  72.0  73.3   0.5
     be2167.ccr22.sjc01.atlas.cogentco.com
10. be2000.ccr21.sjc03.atlas.cogentco.com                                
                                    0.0%  73.2  77.6  72.2  97.7  11.3
     be2047.ccr21.sjc03.atlas.cogentco.com
11. cox.sjc03.atlas.cogentco.com                                         
                                    0.0%  75.0  75.1  75.0  75.1   0.1
12. elcndsrj01-ae0.0.rd.sd.cox.net                                       
                                    0.0%  82.6  82.7  82.4  83.4   0.4
<snip>

mtr x.x.101.98 --address x.x.160.81

  Host                                                                    
                                   Loss%  Last   Avg  Best  Wrst StDev
  1. x.x.238.161                                                          
                                   0.0%   0.8   0.6   0.4   0.8   0.2
  2. 38.122.250.x                                                         
                                   0.0%   0.9   0.8   0.7   0.9   0.1
  3. ???



-- 
Randy M