Multicast Beacon v1.3-0   This page is showing: Fractional Loss (%)

The NLANR/DAST Beacon project has ended as of 12/31/2005. Community support is available at http://sourceforge.net/projects/multicastbeacon.
As of 9/14/2006 this beacon server is running on new hardware and is maintained by the NCSA Network Engineering group. Please contact neteng at ncsa dot edu with questions.

Time: Mon Nov 23 14:32:13 2009 CST | Page Refresh: 60 seconds | Started: Sun Nov 22 11:55:02 2009 | Beacons: 46
Target Multicast Group: 233.4.200.18 | Client-to-Client (RTP) multicast traffic on port: 10002, RTCP traffic on port: 10003
TCP unicast reports going back to the Central Server on port 10004

Central Loss | Local Loss | Fract Loss | Central RTT | Local RTT | Central Jitter | Local Jitter | Beacon Info | History | Previous History

# Hostname IP Address RRs S0 S1 S2 S3 S4 S5 S6 S7 S8 S9   S10 S11 S12 S13 S14 S15 S16 S17 S18 S19   S20 S21 S22 S23 S24 S25 S26 S27 S28 S29   S30 S31 S32 S33 S34 S35 S36 S37 S38 S39   S40 S41 S42 S43 S44 S45
R0 teevee.aarnet.edu.au 192.94.63.33 141 0 NA 28 28 24 NA NA 21 23 NA R0 31 NA NA NA NA NA NA NA 24 NA R0 NA 0 6 NA 14 25 12 26 NA 42 R0 0 42 26 NA NA NA 24 NA NA 34 R0 26 23 NA NA 12 NA
R1 beacon.sapac.edu.au 129.127.96.120 133 0 NA NA 0 0 NA NA 0 0 0 R1 0 NA NA NA NA NA NA NA 0 NA R1 NA 5 0 0 0 NA 0 0 NA 0 R1 NA 0 0 NA 0 NA 0 NA 0 0 R1 0 0 0 NA 0 NA
R2 dawn.ml.unisa.edu.au 130.220.64.249 344 35 40 38 54 75 93 57 70 58 32 R2 82 65 NA NA NA NA NA NA 67 78 R2 NA 49 40 69 52 NA 30 12 47 1 R2 72 61 17 NA 92 NA 28 52 35 58 R2 3 65 90 27 35 NA
R3 crayon.ucc.usyd.edu.au 129.78.221.17 391 0 0 0 0 0 0 0 0 0 0 R3 0 0 NA NA NA NA NA NA 0 0 R3 NA 0 0 0 0 0 0 0 0 0 R3 0 0 0 NA 0 NA 0 0 0 0 R3 0 0 0 0 0 NA
R4 ddrive.cs.dal.ca 129.173.212.139 103 7 NA 8 8 0 NA NA 7 NA NA R4 NA 9 0 0 7 0 0 8 7 0 R4 NA 0 12 8 NA 0 7 0 NA 31 R4 9 0 0 0 12 0 7 8 7 NA R4 NA 0 NA 7 0 NA
R5 agvenue1.ucis.dal.ca 192.75.96.3 106 0 NA NA 0 0 NA NA 0 NA NA R5 NA 0 0 0 0 0 0 0 0 0 R5 NA 0 12 0 NA 0 0 0 NA 0 R5 0 0 0 0 0 0 0 0 0 NA R5 0 0 NA 0 0 NA
R6 antonius.amtc.nrc.ca 132.246.224.8 44 NA NA NA NA NA NA 0 0 0 0 R6 0 0 NA NA NA NA NA NA NA NA R6 NA NA NA NA NA NA NA NA NA NA R6 NA NA NA NA NA NA NA NA NA NA R6 NA NA NA NA NA NA
R7 lepidus.amtc.nrc.ca Unresolvable 61 0 NA NA 0 0 0 0 NA 0 0 R7 NA 0 0 0 0 0 0 0 0 NA R7 NA 0 0 0 NA NA NA 0 0 NA R7 0 0 0 0 0 0 0 0 0 0 R7 0 0 0 0 0 NA
R8 octavius.imsb.nrc.ca 132.246.2.39 66 0 NA NA 0 0 0 0 0 0 1 R8 NA 1 0 0 0 0 0 0 1 NA R8 NA 0 6 0 NA NA 0 0 0 0 R8 1 0 0 0 0 0 1 1 0 0 R8 5 0 NA 1 0 NA
R9 zootv.nrc.ca 132.246.2.28 58 7 NA NA NA NA NA NA 7 0 NA R9 14 12 0 0 0 0 0 4 NA 0 R9 NA 0 12 4 16 NA 7 0 NA NA R9 12 0 0 0 0 NA NA NA NA 0 R9 NA 8 8 NA 0 NA
# Hostname IP Address RRs S0 S1 S2 S3 S4 S5 S6 S7 S8 S9   S10 S11 S12 S13 S14 S15 S16 S17 S18 S19   S20 S21 S22 S23 S24 S25 S26 S27 S28 S29   S30 S31 S32 S33 S34 S35 S36 S37 S38 S39   S40 S41 S42 S43 S44 S45
R10 collab3.westgrid.ca 142.231.1.123 128 0 NA NA 4 0 0 0 0 0 0 R10 NA 0 0 0 0 0 0 4 0 0 R10 NA 0 4 3 NA 0 0 0 0 NA R10 0 0 0 0 0 0 0 0 0 0 R10 0 0 0 0 0 NA
R11 venueserver.westgrid.ca 142.231.1.121 103 0 NA NA 0 1 0 0 0 9 0 R11 NA 0 9 7 0 7 8 0 1 NA R11 NA 0 6 0 NA NA 0 7 0 NA R11 0 8 9 8 26 0 1 0 0 9 R11 NA 12 0 0 0 NA
R12 zam137.zam.kfa-juelich.de 134.94.106.10 138 2 0 0 0 2 4 5 2 0 3 R12 NA NA 0 0 0 0 0 0 15 0 R12 NA 0 8 0 NA 0 2 0 5 0 R12 NA 0 0 0 4 5 17 0 3 0 R12 NA 0 3 0 0 0
R13 dvb2.halifax.rwth-aachen.de Unresolvable 108 0 NA 4 4 NA 0 0 0 0 NA R13 NA 1 NA 0 0 0 NA 4 NA 0 R13 NA 58 5 4 NA 0 0 0 0 NA R13 1 0 0 0 0 0 NA 0 NA 0 R13 NA 0 NA 0 0 0
R14 kn01.halifax.rwth-aachen.de Unresolvable 169 0 0 0 60 NA NA NA 3 0 NA R14 NA NA 0 0 2 NA 0 0 NA 0 R14 NA 39 7 0 NA 0 3 0 NA 0 R14 NA 0 0 0 NA NA NA 45 NA 0 R14 NA 3 NA 39 NA 0
R15 server.halifax.rwth-aachen.de Unresolvable 80 2 NA 2 2 NA NA NA 0 0 NA R15 NA NA NA 0 0 NA NA 2 NA 0 R15 NA 58 0 2 NA 0 0 0 NA NA R15 NA 0 0 0 NA NA NA 0 NA 0 R15 NA 2 NA 0 NA NA
R16 torwaechter.halifax.rwth-aachen.de Unresolvable 125 1 0 0 0 NA NA NA NA 0 NA R16 NA NA 0 0 0 NA 0 0 NA 0 R16 NA 0 NA 0 NA 0 NA 0 NA 0 R16 NA 0 0 0 NA NA NA 0 NA 0 R16 NA 0 NA 0 NA 0
R17 streams.rz.rwth-aachen.de 137.226.33.60 152 1 0 0 0 NA NA NA 1 0 NA R17 NA NA 0 0 0 NA 0 0 NA 0 R17 NA 0 13 0 NA 0 1 0 NA 0 R17 NA 0 0 0 NA NA NA 0 NA 0 R17 NA 0 NA 0 NA 0
R18 www.coaps.fsu.edu 146.201.212.64 174 1 12 0 0 2 0 0 1 12 2 R18 NA 1 13 13 0 12 12 0 0 0 R18 NA 0 5 0 NA 13 1 13 0 13 R18 2 12 13 12 2 0 2 1 1 0 R18 NA 0 NA 1 0 12
R19 pulsar.noc.gatech.edu 130.207.166.66 503 11 39 71 5 0 12 63 99 0 98 R19 11 7 35 28 34 7 9 8 14 14 R19 NA 21 37 14 92 NA 73 84 33 46 R19 36 6 86 10 42 60 24 21 51 8 R19 NA 7 6 16 21 80
# Hostname IP Address RRs S0 S1 S2 S3 S4 S5 S6 S7 S8 S9   S10 S11 S12 S13 S14 S15 S16 S17 S18 S19   S20 S21 S22 S23 S24 S25 S26 S27 S28 S29   S30 S31 S32 S33 S34 S35 S36 S37 S38 S39   S40 S41 S42 S43 S44 S45
R20 netview.its.iastate.edu 129.186.6.240 141 37 14 41 39 NA 32 26 37 34 48 R20 46 46 34 33 55 37 46 38 NA 23 R20 0 31 41 41 48 34 37 29 33 42 R20 47 41 32 93 47 19 46 39 37 37 R20 46 37 38 37 42 59
R21 foghorn.cs.mtsu.edu 161.45.164.173 76 0 0 0 0 0 NA 0 0 NA 0 R21 9 0 NA 0 0 0 0 0 0 0 R21 NA 0 0 0 0 NA 0 NA NA NA R21 0 0 NA 0 0 0 0 0 NA 0 R21 NA 0 NA 0 3 0
R22 ns-beacon.mtsu.edu 161.45.190.10 76 0 0 0 0 0 NA NA 0 NA 0 R22 0 NA NA 0 0 0 0 0 0 0 R22 NA 0 0 0 0 NA 0 NA NA 0 R22 0 0 0 0 0 0 0 0 NA 0 R22 NA 0 NA 0 0 0
R23 netmenderx.cc.ndsu.nodak.edu 134.129.95.122 140 4 15 6 7 6 NA NA 7 7 7 R23 0 7 6 3 23 6 5 6 7 5 R23 NA 0 46 2 0 9 7 6 NA 24 R23 5 0 8 5 35 6 10 0 7 6 R23 0 3 10 0 NA 21
R24 vanguard.itt.purdue.edu 128.210.191.242 461 0 57 17 41 53 70 NA 73 NA NA R24 14 59 5 5 27 1 1 1 69 44 R24 64 6 40 0 8 70 62 4 NA 96 R24 30 0 2 0 30 78 7 80 76 1 R24 7 0 5 85 54 1
R25 silver.sdsmt.edu 151.159.1.1 107 0 NA NA 0 NA 1 0 0 0 0 R25 NA 0 0 0 0 0 0 0 NA 0 R25 NA 7 5 0 NA 0 0 0 0 0 R25 0 0 0 0 0 1 0 0 0 0 R25 0 0 0 0 3 NA
R26 dwarf.ua.edu 130.160.4.113 24 NA NA NA NA NA NA NA NA NA NA R26 NA NA NA NA NA NA NA NA NA NA R26 NA NA NA NA NA NA 0 NA NA NA R26 NA NA NA NA NA NA NA NA NA NA R26 NA NA NA NA NA NA
R27 npad.ucar.edu 192.43.244.8 121 1 0 0 0 NA 0 NA 1 0 2 R27 NA 1 0 0 0 0 0 0 NA 0 R27 NA 0 3 0 NA NA 1 0 0 0 R27 1 0 0 0 3 0 NA 1 NA 0 R27 1 0 NA 1 0 0
R28 faranth.ci.uiuc.edu 192.17.24.169 126 0 0 0 0 0 0 0 0 0 0 R28 0 0 0 0 0 0 0 0 0 0 R28 0 0 1 0 0 0 0 0 0 0 R28 0 0 0 0 0 0 0 0 4 0 R28 0 0 0 0 0 0
R29 jhereg.ncsa.uiuc.edu 141.142.2.55 232 3 0 6 NA NA 7 8 4 NA 7 R29 3 3 0 0 0 0 0 7 NA 0 R29 3 0 NA 5 3 0 NA 0 8 0 R29 2 0 0 1 0 7 NA 1 3 0 R29 3 0 NA 3 5 0
# Hostname IP Address RRs S0 S1 S2 S3 S4 S5 S6 S7 S8 S9   S10 S11 S12 S13 S14 S15 S16 S17 S18 S19   S20 S21 S22 S23 S24 S25 S26 S27 S28 S29   S30 S31 S32 S33 S34 S35 S36 S37 S38 S39   S40 S41 S42 S43 S44 S45
R30 ssb3.nts.umn.edu 134.84.88.4 158 1 0 0 0 3 0 0 1 0 5 R30 NA 2 0 0 0 0 0 0 3 0 R30 NA 0 5 0 NA 0 1 0 0 0 R30 0 0 0 0 0 0 2 2 2 0 R30 NA 2 2 1 0 0
R31 multicast.chpc.utah.edu 155.101.3.100 135 NA 1 6 6 12 39 40 1 2 NA R31 43 1 NA 1 0 NA NA 7 NA 2 R31 NA 2 NA 5 36 0 NA 2 40 2 R31 NA 13 2 1 NA NA NA 0 NA 0 R31 36 NA NA 1 NA 0
R32 mbone-test.cs.wisc.edu 128.105.40.15 179 0 0 0 0 NA 0 0 0 0 0 R32 0 0 0 0 0 0 0 0 NA 0 R32 0 0 5 0 0 0 0 0 0 0 R32 0 0 0 0 0 0 NA 0 0 0 R32 0 0 0 0 0 0
R33 lokerikko.tv.funet.fi 193.166.16.111 108 0 0 19 16 NA NA NA 23 0 NA R33 NA NA 0 0 25 53 0 19 NA 0 R33 NA 28 28 19 NA 0 24 0 NA 0 R33 NA 0 0 0 NA NA NA 25 NA 0 R33 NA 23 NA 23 NA 0
R34 ipc3.ameslab.gov 147.155.93.7 109 0 0 0 0 0 NA NA 1 NA NA R34 NA NA 0 0 0 0 0 0 0 0 R34 NA 0 14 0 NA 0 1 NA NA 0 R34 NA 0 NA 0 NA 0 0 0 NA NA R34 NA 0 0 0 3 NA
R35 nfc1.grnet.gr 194.177.210.213 460 69 7 98 12 22 95 58 50 58 19 R35 66 95 34 32 54 31 6 32 82 41 R35 NA 78 39 71 55 NA 77 0 30 15 R35 21 8 63 67 34 24 28 91 96 2 R35 73 31 64 90 98 34
R36 usul.es.net 198.128.1.31 114 0 2 1 3 1 NA NA 0 NA NA R36 1 1 2 2 0 3 2 2 1 3 R36 1 0 5 1 0 2 0 2 NA 2 R36 0 2 2 2 0 0 1 0 0 NA R36 1 0 NA 1 0 2
R37 ecu-beacon.ncren.net 128.109.58.21 128 4 0 0 0 7 NA NA 0 NA NA R37 NA 2 0 0 12 0 0 0 6 NA R37 NA 0 0 0 NA NA 0 0 NA 0 R37 3 0 0 0 0 6 6 0 8 NA R37 NA 5 NA 5 32 0
R38 ws-beacon.ncren.net 128.109.1.249 None NA NA NA NA NA NA NA NA NA NA R38 NA NA NA NA NA NA NA NA NA NA R38 NA NA NA NA NA NA NA NA NA NA R38 NA NA NA NA NA NA NA 0 0 NA R38 NA NA NA NA 0 NA
R39 mbeacon.civ.utwente.nl 130.89.244.17 10 NA NA NA NA NA NA NA NA NA NA R39 NA NA NA NA NA NA NA NA NA NA R39 NA NA NA NA NA NA NA NA NA NA R39 NA NA NA NA NA NA NA NA NA 0 R39 NA NA NA NA NA NA
# Hostname IP Address RRs S0 S1 S2 S3 S4 S5 S6 S7 S8 S9   S10 S11 S12 S13 S14 S15 S16 S17 S18 S19   S20 S21 S22 S23 S24 S25 S26 S27 S28 S29   S30 S31 S32 S33 S34 S35 S36 S37 S38 S39   S40 S41 S42 S43 S44 S45
R40 agbridge.sges.auckland.ac.nz 130.216.17.71 136 6 NA NA 0 0 0 0 6 0 6 R40 5 NA 0 0 0 0 0 0 5 0 R40 5 9 10 0 6 0 5 0 0 0 R40 NA 0 0 0 7 0 5 5 5 0 R40 0 0 5 5 0 NA
R41 vv2.ap-accessgrid.org 130.102.78.179 59 NA 0 4 4 NA NA NA 0 0 NA R41 NA NA NA NA NA NA NA NA NA 0 R41 NA NA 0 NA NA NA 0 0 NA NA R41 NA 0 0 NA NA NA NA NA NA 0 R41 NA NA NA NA NA NA
R42 black.ivec.org 192.65.130.134 41 5 NA NA NA 6 NA NA 0 NA 4 R42 NA 5 NA NA NA NA NA NA 5 NA R42 NA 11 0 5 NA NA 0 0 NA 6 R42 5 0 0 NA 0 NA 5 NA 6 NA R42 NA 5 0 NA 8 NA
R43 canot.ivec.org 192.65.130.158 45 0 NA NA NA 0 NA NA 0 NA 0 R43 NA 0 NA NA NA NA NA NA 0 NA R43 NA 5 5 0 NA NA 0 0 NA 0 R43 0 0 0 NA 0 NA 0 NA 0 NA R43 NA 0 0 NA 0 NA
R44 newsroom.pewtrusts.org 207.103.6.100 None 0 11 0 0 9 NA NA 7 NA NA R44 NA NA 12 NA 11 0 12 0 5 NA R44 NA NA 10 0 NA NA 7 NA NA 10 R44 NA NA NA NA NA NA 8 NA NA NA R44 NA NA NA NA NA 0
R45 newtrillian.jogback.se 212.247.200.145 86 55 74 43 65 NA NA NA NA NA NA R45 NA NA 5 59 79 97 70 45 35 97 R45 NA 38 34 1 NA 64 NA 64 57 0 R45 NA 90 26 5 91 67 NA 83 3 NA R45 NA 3 70 69 NA 77

Central Loss | Local Loss | Fract Loss | Central RTT | Local RTT | Central Jitter | Local Jitter | Beacon Info | History | Previous History

Diagnosing problems with your multicast setup | Contributed code and patches

Fract Lost is the local instantaneous view of RTP Fract_Lost values, the same as the RQM utility generates, although displayed in the opposite orientation from RQM.

The "RRs" column is the count of RTP Receiver Reports received from each SR during the previous interval. For any given interval, the count of reports should be approximately the same. If your Beacon's report count is much lower than the others, it means your Beacon has only recently joined the multicast If you know you Beacon has been running for some time, it may be showing router-level multicast problems, which is why the option was included in this release of the Beacon. If your Beacon is joining and leaving and joining and leaving, this it what that would look like.

Please share your comments, questions, bug reports, concerns, and feedback with us via the Beacon listserv. Please note this list can only be posted to by SUBSCRIBERS, in order to keep it spam-free. Non-subscriber email is automatically discarded. You can subscribe to the list by sending an email to "majordomo /at/ dast.nlanr.net", with "subscribe beacon /at/ dast.nlanr.net" (with real "at" signs, of course) in the body. This list is publicly archived at http://archive.ncsa.uiuc.edu/lists/beacon.

Another way to contact us is to use the DAST contact webform.