Subject: IETF loss

From: Petri Helenius <[email-masked]>
Date: Tue, 25 Jun 1996 21:04:00 +0300 (EET DST)

I've been losing quite static 20% off the transmissions day-round
and the loss seems to be occurring near/at MCI. Is this the infamous
'we realiably drop 10% of your packets' ISP?

silver:/home/pete(73)% mtrace 206.167.193.12 224.0.1.12
Mtrace from 206.167.193.12 to 194.111.122.1 via group 224.0.1.12
Querying full reverse path... 
  0  silver.sms.fi (194.111.122.1)
 -1  hideout-e0.sms.fi (194.111.122.254)  PIM  thresh^ 1   [206.167.193/24]
 -2  swallow-s2.sms.fi (192.194.252.177)  PIM  thresh^ 4   [default]
 -3  kiwi-gw.funet.fi (193.166.255.73)  DVMRP  thresh^ 12   [206.167.193/24]
 -4  rip-atm.funet.fi (193.166.6.34)  DVMRP  thresh^ 12   [206.167.193/24]
 -5  stockholm.mbone.ebone.net (192.36.148.206)  DVMRP  thresh^ 40   [206.167.193/24]
 -6  icm-pen-2-F2/0.icp.net (198.67.134.250)  DVMRP  thresh^ 64   [206.167.193/24]
 -7  dec3800-1-fddi-0.WestOrange.mci.net (204.70.64.29)  DVMRP  thresh^ 32   [206.167.193/24]
 -8  dec3800-2-fddi-1.WestOrange.mci.net (204.70.64.77)  DVMRP  thresh^ 1   [206.167.193/24]
 -9  mrouter.inet-ietf.risq.qc.ca (206.167.193.10)  DVMRP  thresh^ 64   [206.167.193/24]
-10  ietf1.ietf.risq.qc.ca (206.167.193.12)
Round trip time 481 ms

Results after 11 seconds:

  Source        Response Dest    Packet Statistics For     Only For Traffic
206.167.193.12  194.111.122.1    All Multicast Traffic     From 206.167.193.12
     v       __/  rtt  223 ms    Lost/Sent = Pct  Rate       To 224.0.1.12
206.167.193.10  mrouter.inet-ietf.risq.qc.ca 
     v     ^      ttl   64        3/785  =  0%  71 pps     3/106  =  3%   9 pps
204.70.64.61   
204.70.64.77    dec3800-2-fddi-1.WestOrange.mci.net 
     v     ^      ttl   65        0/1402 =  0%   0 pps     0/103  =  0%   0 pps
204.70.64.45   
204.70.64.29    dec3800-1-fddi-0.WestOrange.mci.net 
     v     ^      ttl   66      152/858  = 18%   0 pps    22/103  = 21%   0 pps
198.67.134.250  icm-pen-2-F2/0.icp.net 
     v     ^      ttl   67        1/1254 =  0% 114 pps     0/81   =  0%   7 pps
192.36.148.206  stockholm.mbone.ebone.net 
     v     ^      ttl   68        2/1444 =  0% 131 pps     0/81   =  0%   7 pps
193.166.6.34    rip-atm.funet.fi 
     v     ^      ttl   69       48/1447 =  3% 131 pps     0/81   =  0%   7 pps
193.166.6.177  
193.166.255.73  kiwi-gw.funet.fi 
     v     ^      ttl   70      757/790  = 96%  71 pps     0/81   =  0%   7 pps
193.166.255.74 
192.194.252.177 swallow-s2.sms.fi 
     v     ^      ttl   71        0/387  =  0%  35 pps     0/81   =  0%   7 pps
192.194.252.178
194.111.122.254 hideout-e0.sms.fi 
     v      \__   ttl   72          350         31 pps       81           7 pps
194.111.122.1   194.111.122.1
  Receiver      Query Source

Pete