Subject: US->US (CERFnet->MCI) Mbone traffic through Brazil?

From: Simon Leinen <[email-masked]>
Date: Mon, 10 Nov 1997 18:02:09 +0100

Maybe this is just a symptom of some transient Mbone routing problem.
But wouldn't it be a good rule-of-thumb that intercontinental Mbone
tunnels should have metrics larger than 1?

Mtrace from 207.113.31.133 to 130.59.4.2 via group 224.2.172.238
Querying full reverse path... 
  0  babar.switch.ch (130.59.4.2)
 -1  nuptse.switch.ch (130.59.4.22)  DVMRP  thresh^ 1  
 -2  mbone-zh.switch.ch (130.59.20.50)  DVMRP  thresh^ 16  
 -3  mbone.cern.ch (192.65.185.20)  DVMRP  thresh^ 64  
 -4  broodjeham.surfnet.nl (193.148.15.2)  DVMRP  thresh^ 48  
 -5  stockholm.mbone.ebone.net (192.36.148.206)  DVMRP  thresh^ 48  
 -6  ? (192.36.137.1)  DVMRP  thresh^ 64  
 -7  dec3800-1-fddi-0.WestOrange.mci.net (204.70.64.29)  DVMRP  thresh^ 32  
 -8  sbq.sbq.org.br (143.108.1.102)  DVMRP  thresh^ 64  
 -9  listas.ansp.br (143.108.1.103)  DVMRP  thresh^ 1  
-10  gaia.coppe.ufrj.br (146.164.63.4)  DVMRP  thresh^ 32  
-11  ceop4.rederio.br (146.164.10.4)  DVMRP  thresh^ 8  
-12  mbone.cerf.net (192.215.245.10)  DVMRP  thresh^ 64  
-13  mbone.idt.net (169.132.44.9)  DVMRP  thresh^ 32  
-14  xinx.nit.net (207.113.31.133)  DVMRP  thresh^ 32  
-15  xinx.nit.net (207.113.31.133)
Round trip time 642 ms

Waiting to accumulate statistics... * Results after 12 seconds:

  Source        Response Dest    Packet Statistics For     Only For Traffic
207.113.31.133  130.59.4.2       All Multicast Traffic     From 207.113.31.133
     v       __/  rtt  734 ms    Lost/Sent = Pct  Rate       To 224.2.172.238
207.113.31.133  xinx.nit.net   
     v     ^      ttl   32        0/65   =  0%   5 pps     0/60   =  0%   5 pps
169.132.44.9    mbone.idt.net  
     v     ^      ttl   33       -1/76   =  0%   6 pps     0/60   =  0%   5 pps
192.215.245.10  mbone.cerf.net 
     v     ^      ttl   64      663/2820 = 24% 235 pps    17/60   = 28%   5 pps
146.164.10.4    ceop4.rederio.br 
     v     ^      ttl   65        0/1048 =  0%  87 pps     0/43   =  0%   3 pps
146.164.63.4    gaia.coppe.ufrj.br 
     v     ^      ttl   66      519/1032 = 50%  86 pps    23/43   = 53%   3 pps
143.108.1.103   listas.ansp.br 
     v     ^      ttl   67        0/513  =  0%  42 pps     0/20   =  0%   1 pps
143.108.1.102   sbq.sbq.org.br 
     v     ^      ttl   68       85/705  = 12%  58 pps     0/20   =  0%   1 pps
204.70.64.29    dec3800-1-fddi-0.WestOrange.mci.net 
     v     ^      ttl   69      141/1069 = 13%   0 pps     0/20   =  0%   0 pps
192.36.137.1    ?              
     v     ^      ttl   70       -1/3533 =  0% 294 pps     0/20   =  0%   1 pps
192.36.148.206  stockholm.mbone.ebone.net 
     v     ^      ttl   71      132/5028 =  3% 419 pps     1/20   =  5%   1 pps
192.87.106.102 
193.148.15.2    broodjeham.surfnet.nl 
     v     ^      ttl   72     2034/5219 = 39% 434 pps     5/19   = 26%   1 pps
192.65.185.20   mbone.cern.ch  
     v     ^      ttl   73       -2/649  =  0%  54 pps    -1/14   = -6%   1 pps
130.59.20.50    mbone-zh.switch.ch 
     v     ^      ttl   74        0/152  =  0%  12 pps     0/15   =  0%   1 pps
130.59.4.22     nuptse.switch.ch 
     v      \__   ttl   75          150         12 pps       15           1 pps
130.59.4.2      130.59.4.2
  Receiver      Query Source
: leinen@babar[leinen]; mrinfo 192.215.245.10
192.215.245.10 (mbone.cerf.net) [version 3.255,prune,genid,mtrace]:
  192.215.245.10 -> 0.0.0.0 (local) [1/1/querier/leaf]
  192.215.245.10 -> 198.17.46.39 (mbone.sdsc.edu) [1/64/tunnel/leaf]
  192.215.245.10 -> 192.153.156.129 (dover.cerf.net) [1/32/tunnel/leaf]
  192.215.245.10 -> 206.17.46.3 (206.17.46.3) [1/32/tunnel/leaf]
  192.215.245.10 -> 129.46.48.97 (mbone-tunnel1-cerfnet.qualcomm.com) [1/64/tunnel/down/leaf]
  192.215.245.10 -> 149.63.70.13 (fairway.ds.cubic.COM) [1/64/tunnel/leaf]
  192.215.245.10 -> 146.164.10.4 (ceop4.rederio.br) [1/64/tunnel/leaf]
  192.215.245.10 -> 169.132.44.9 (mbone.idt.net) [1/32/tunnel/leaf]
  192.215.245.10 -> 205.245.135.2 (205.245.135.2) [1/32/tunnel/down/leaf]
  192.215.245.10 -> 206.16.10.103 (nub.rd.wdi.disney.com) [1/32/tunnel/down/leaf]
  192.215.245.10 -> 206.19.68.35 (206.19.68.35) [1/32/tunnel/down/leaf]
  192.215.245.10 -> 204.210.36.204 (dt6h2ncc.san.rr.com) [1/32/tunnel/down/leaf]
-- 
Simon.