[Support Req #14939] BostonU multicast

[Robert Olson]

Here's a trace the other direction

fenris:/russ/bin/AG.dist# mtrace -t 127 140.221.9.172 224.2.177.155
Mtrace from 140.221.9.172 to 128.197.160.83 via group 224.2.177.155
Querying full reverse path... 
  0  FENRIS.BU.EDU (128.197.160.83)
 -1  GRIZZLY.BU.EDU (128.197.160.80)  DVMRP  thresh^ 1   [default]
 -2  DNS.BU.EDU (128.197.253.148)  DVMRP  thresh^ 16   [default]
 -3  cs.wor.vbns.net (204.147.128.185)  Unknown protocol code 8  thresh^
0  
 -4  cs-atm0-0-16.dng.vbns.net (204.147.129.253)  PIM  thresh^ 0 
Reached RP/Core
Round trip time 1411 ms; total ttl of 19 required.

Waiting to accumulate statistics... Results after 9 seconds:

  Source        Response Dest    Overall     Packet Statistics For
Traffic From
   * * *        224.0.1.32       Packet      140.221.9.172 To
224.2.177.155
     v       __/  rtt 1427 ms     Rate       Lost/Sent = Pct  Rate
204.147.129.253 cs-atm0-0-16.dng.vbns.net Reached RP/Core
     v     ^      ttl    1       601 pps        0/0    = --%   0 pps
204.147.129.254
204.147.128.185 cs.wor.vbns.net 
     v     ^      ttl    2       629 pps        ?/0            0 pps
128.197.253.148 DNS.BU.EDU     
     v     ^      ttl   19       339 pps        0/0    = --%   0 pps
128.197.160.80  GRIZZLY.BU.EDU 
     v      \__   ttl   19        95 pps
128.197.160.83  128.197.160.83
  Receiver      Query Source