Duplicate Packets from the RIPE Meeting

Hello Roberto,

could you have a look at this. It looks as if the route from the uk to
the dfn isn't stable.
We get quite a few duplicate packets from the meeting.

Anyone else gets duplicates ?


regards Peter

trace from 193.10.91.66 to 193.174.247.198 via group 224.2.246.228
Querying full reverse path... * switching to hop-by-hop:
  0  beryll.noc.dfn.de (193.174.247.198)
 -1  io.noc.dfn.de (193.174.247.254)  PIM/Special  thresh^ 0   [default]
 -2  mr-stuttgart1.win-ip.dfn.de (188.1.201.9)  PIM/Special  thresh^ 32  
 -3  de-ws.ten-34.net (193.203.254.6)  DVMRP  thresh^ 48  
 -4  ch-ws.ten-34.net (193.203.254.10)  DVMRP  thresh^ 48  
 -5  * * 
Route must have changed...
 -1  io.noc.dfn.de (193.174.247.254)  PIM/Special  thresh^ 0   [default]
 -2  mr-stuttgart1.win-ip.dfn.de (188.1.201.9)  PIM/Special  thresh^ 32  
 -3  de-ws.ten-34.net (193.203.254.6)  DVMRP  thresh^ 48  
 -4  uk-ws.ten-34.net (193.203.254.2)  DVMRP  thresh^ 48  
 -5  stockholm.mbone.ebone.net (192.36.148.206)  DVMRP  thresh^ 48  
 -6  * * upper-gw.sunet.se (193.10.252.66)  PIM/Static  thresh^ 32  Reached RP/Core
 -7  * sthlm2-gw.sunet.se (193.10.80.37)  PIM  thresh^ 0  
 -8  eth0.ripe-gw.ripe.sunet.se (193.10.91.200)  PIM  thresh^ 0  
 -9  not-in-use.ripe.sunet.se (193.10.91.66)
Round trip time 275 ms; total ttl of 54 required.

Waiting to accumulate statistics... Results after 10 seconds:

  Source        Response Dest    Overall     Packet Statistics For Traffic From
193.10.91.66    224.0.1.32       Packet      193.10.91.66 To 224.2.246.228
     v       __/  rtt  206 ms     Rate       Lost/Sent = Pct  Rate
193.10.91.126  
193.10.91.200   eth0.ripe-gw.ripe.sunet.se 
     v     ^      ttl    1        40 pps        0/263  =  0%  26 pps
193.10.91.254  
193.10.80.37    sthlm2-gw.sunet.se 
     v     ^      ttl    2       126 pps        0/263  =  0%  26 pps
193.10.80.33   
193.10.252.66   upper-gw.sunet.se Reached RP/Core
     v     ^      ttl   35       126 pps        4/263  =  2%  26 pps
192.36.148.206  stockholm.mbone.ebone.net 
     v     ^      ttl   52       443 pps      -41/259  =-15%  25 pps
193.203.254.2   uk-ws.ten-34.net 
     v     ^      ttl   53       173 pps     -268/300  =-88%  30 pps
193.203.254.6   de-ws.ten-34.net 
     v     ^      ttl   54       205 pps       90/568  = 16%  56 pps
193.174.226.254
188.1.201.9     mr-stuttgart1.win-ip.dfn.de 
     v     ^      ttl   54        89 pps        9/478  =  2%  47 pps
188.1.10.62    
193.174.247.254 io.noc.dfn.de  
     v      \__   ttl   54        83 pps        ?/469         46 pps
193.174.247.198 193.174.247.198
  Receiver      Query Source