Multicast Beacon v1.3-0   This page is showing: Local 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: Tue Feb 9 17:38:36 2010 CST | Page Refresh: 60 seconds | Started: Tue Feb 9 4:40:03 2010 | Beacons: 49
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 S46 S47 S48
R0 gk.cameo.flinders.edu.au 129.96.120.11 10 0 0 0 0 0 0 0 0 0 0 R0 0 0 0 0 0 0 0 0 0 0 R0 0 NA 0 NA 0 NA 0 0 NA NA R0 0 0 0 0 0 0 0 0 0 NA R0 NA NA NA NA 0 0 0 NA NA
R1 beacon.sapac.edu.au 129.127.96.120 101 0 NA 1 1 1 NA NA 0 0 NA R1 1 1 NA NA 1 NA 0 0 NA 0 R1 NA NA NA NA 0 NA 0 1 NA NA R1 1 0 NA 0 NA 1 0 NA 1 NA R1 NA NA NA NA 0 1 1 NA NA
R2 dawn.ml.unisa.edu.au 130.220.64.249 390 ** 0 0 0 0 0 0 0 0 0 R2 0 0 0 0 0 ** 0 0 0 0 R2 0 NA 0 0 0 NA 0 0 NA NA R2 ** 0 0 0 0 0 ** 0 0 NA R2 NA NA NA NA 0 0 0 0 0
R3 usq-fos.usq.edu.au Unresolvable 73 0 NA 0 NA 0 NA 0 0 NA NA R3 0 0 NA NA NA NA 0 0 NA NA R3 NA NA NA NA 0 NA NA 0 NA NA R3 0 0 NA 0 NA 0 0 NA 0 NA R3 NA NA NA NA 0 0 NA NA NA
R4 crayon.ucc.usyd.edu.au 129.78.221.17 392 6 7 7 6 0 6 7 6 6 7 R4 6 7 5 7 6 6 6 6 7 6 R4 7 NA 6 0 5 NA 5 5 NA NA R4 6 4 6 6 7 6 10 6 7 NA R4 NA NA NA NA 7 6 6 0 0
R5 ddrive.cs.dal.ca 129.173.212.139 65 0 NA 0 0 0 NA NA NA NA NA R5 0 0 NA NA 0 NA 0 0 0 NA R5 NA NA 0 0 0 0 0 0 NA NA R5 0 0 NA 0 NA 0 0 0 0 0 R5 0 0 0 0 0 0 0 NA NA
R6 agvenue1.ucis.dal.ca 192.75.96.3 67 0 NA 0 0 0 NA NA NA NA NA R6 0 0 NA NA 0 NA 0 0 0 0 R6 NA 0 0 0 0 0 0 0 NA NA R6 0 0 NA 0 NA 0 0 0 0 0 R6 0 0 0 0 0 0 0 NA NA
R7 antonius.amtc.nrc.ca 132.246.224.8 47 NA NA NA NA NA NA NA 0 0 0 R7 NA 0 0 NA NA NA NA NA NA NA R7 NA NA NA NA NA NA NA NA NA NA R7 NA NA NA NA NA NA NA NA NA NA R7 NA NA NA NA NA NA NA NA NA
R8 octavius.imsb.nrc.ca 132.246.2.39 83 0 NA 0 0 0 NA NA 0 NA NA R8 0 0 NA NA 0 NA 0 0 0 NA R8 NA NA 0 0 0 0 NA 0 NA NA R8 0 0 NA 0 NA NA 0 0 0 0 R8 0 0 0 0 0 0 NA NA NA
R9 zootv.nrc.ca 132.246.2.28 81 0 NA 0 0 0 NA NA 0 NA NA R9 0 0 NA NA 1 NA 0 0 0 NA R9 NA NA 0 0 0 0 NA 0 NA NA R9 1 0 NA 0 NA NA 0 0 0 0 R9 0 0 0 0 0 1 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 S46 S47 S48
R10 catbert.risq.qc.ca 206.167.223.65 11 NA NA NA NA NA NA NA NA NA NA R10 0 NA NA NA NA NA NA NA NA NA R10 NA NA NA NA NA NA NA NA NA NA R10 NA NA NA NA NA NA NA NA NA NA R10 NA NA NA NA NA NA NA NA NA
R11 collab3.westgrid.ca 142.231.1.123 100 0 NA 5 2 6 NA NA NA 0 0 R11 1 0 NA 0 2 NA 0 0 2 0 R11 NA 0 2 0 0 0 0 1 NA NA R11 3 NA NA 0 NA 2 0 2 5 2 R11 2 0 0 0 2 2 2 NA NA
R12 venueserver.westgrid.ca 142.231.1.121 91 0 NA 13 4 13 NA NA NA NA 0 R12 3 3 NA 0 5 NA 0 0 4 0 R12 NA 0 4 0 0 0 0 3 NA NA R12 5 NA NA 4 NA 5 0 4 9 5 R12 5 0 0 0 3 5 5 NA NA
R13 kn01.halifax.rwth-aachen.de Unresolvable 67 NA NA NA NA NA 0 NA 0 0 NA R13 7 7 0 NA 0 0 0 0 NA 0 R13 9 0 NA 0 0 0 0 7 8 0 R13 0 0 0 8 8 0 0 NA NA NA R13 8 0 NA 0 7 NA NA NA NA
R14 streams.rz.rwth-aachen.de 137.226.33.60 58 NA NA NA NA NA NA NA 0 0 NA R14 0 0 0 NA NA NA 0 0 NA 0 R14 0 0 NA 0 0 0 0 0 0 0 R14 0 0 0 0 0 0 0 NA NA NA R14 0 0 NA 0 0 NA NA NA NA
R15 nseg-00.bu.edu 128.197.25.32 76 0 NA NA 0 2 0 NA NA NA NA R15 0 0 0 NA NA 0 NA NA 0 0 R15 0 0 NA 0 0 0 NA 0 0 NA R15 1 0 0 0 0 NA 0 NA NA NA R15 0 0 0 0 0 0 NA NA NA
R16 www.coaps.fsu.edu 146.201.212.64 12 NA NA NA NA NA NA NA NA NA NA R16 NA NA NA NA NA NA 0 NA NA NA R16 NA NA NA NA NA NA NA NA NA NA R16 NA NA NA NA NA NA NA NA NA NA R16 NA NA NA NA NA NA NA NA NA
R17 accessgrid.sc.fsu.edu 144.174.29.10 111 0 NA 0 0 0 NA NA 0 NA 0 R17 0 0 0 0 0 NA 0 0 0 0 R17 NA 0 0 0 0 0 0 0 0 0 R17 0 0 0 0 0 0 0 0 0 0 R17 0 0 0 0 0 0 0 NA NA
R18 ag1.sc.fsu.edu 144.174.29.11 115 0 NA 0 0 0 NA NA 0 NA 0 R18 0 0 0 0 0 NA 0 0 0 0 R18 NA 0 0 0 0 0 0 0 0 0 R18 0 0 0 0 0 0 0 0 0 0 R18 0 0 0 0 0 0 0 NA NA
R19 ag2.sc.fsu.edu 144.174.29.12 112 0 NA 0 0 0 NA NA 0 NA 0 R19 0 0 0 0 0 NA 0 0 0 NA R19 NA 0 0 0 0 0 0 0 0 0 R19 0 0 0 0 0 0 0 0 0 0 R19 0 0 0 0 0 0 0 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 S46 S47 S48
R20 tsgdev.sc.fsu.edu 144.174.31.40 95 0 NA 0 6 0 NA NA 0 NA 0 R20 0 0 0 0 5 NA 0 0 5 0 R20 0 0 5 0 0 0 0 0 6 0 R20 4 0 0 0 6 5 0 6 0 6 R20 3 0 0 0 0 5 5 NA NA
R21 pulsar.noc.gatech.edu 130.207.166.66 418 0 0 ** 0 0 0 0 0 0 0 R21 0 0 0 0 0 0 0 0 0 0 R21 0 0 0 0 0 0 0 0 0 0 R21 0 NA 0 0 0 NA 0 0 0 0 R21 0 0 0 0 NA 0 ** 0 0
R22 netview.its.iastate.edu 129.186.6.240 100 0 NA 66 30 29 NA NA 0 0 NA R22 31 32 0 NA 0 NA NA NA 32 0 R22 31 0 0 0 0 0 0 33 33 0 R22 0 0 0 37 33 0 0 29 27 32 R22 39 0 0 0 33 0 0 NA NA
R23 ns-beacon.mtsu.edu 161.45.190.10 126 0 NA 0 NA 0 NA NA 0 NA 0 R23 0 0 0 0 NA NA 0 0 0 0 R23 NA 0 NA 0 0 0 NA NA 0 0 R23 NA NA 0 0 NA NA 0 NA 0 0 R23 NA NA 0 0 NA NA NA NA NA
R24 netmenderx.cc.ndsu.nodak.edu 134.129.95.122 92 NA 0 0 0 0 NA NA NA NA NA R24 0 0 0 NA 0 NA NA NA 0 NA R24 0 NA NA NA NA 0 NA 0 0 0 R24 0 NA 0 0 0 NA NA 0 0 0 R24 0 NA NA NA 0 0 0 NA NA
R25 vanguard.itt.purdue.edu 128.210.191.242 77 NA NA NA NA NA NA NA NA NA NA R25 NA NA NA NA NA NA NA NA NA NA R25 NA NA NA NA NA NA NA NA NA NA R25 NA NA NA NA NA NA NA NA NA NA R25 NA NA NA NA NA NA NA NA NA
R26 silver.sdsmt.edu 151.159.1.1 120 0 NA 1 0 0 NA NA 0 0 NA R26 0 0 0 NA 0 NA NA NA 0 0 R26 0 0 0 0 0 0 0 0 0 0 R26 0 0 0 0 0 NA 0 0 1 0 R26 0 0 0 0 0 0 NA NA NA
R27 npad.ucar.edu 192.43.244.8 91 0 NA 0 NA 0 0 NA NA NA 0 R27 0 0 0 0 NA 0 NA 0 NA NA R27 0 0 0 0 0 0 NA 0 0 0 R27 0 NA 0 0 0 NA 0 NA 0 NA R27 0 0 0 NA 0 0 NA NA NA
R28 kaon.ucr.edu 138.23.2.53 48 NA NA NA NA NA NA NA NA NA NA R28 NA NA NA NA NA 0 0 0 NA NA R28 0 0 NA 0 0 0 NA 0 0 0 R28 0 NA 0 0 0 0 0 NA NA NA R28 0 0 NA 0 NA NA NA NA NA
R29 jah2.ucsc.edu 128.114.2.123 64 NA NA NA NA NA NA NA NA NA NA R29 NA NA NA NA 0 0 0 0 NA NA R29 0 0 NA 0 0 0 NA 0 0 NA R29 0 0 NA 0 0 0 0 NA NA NA R29 0 0 NA 0 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 S46 S47 S48
R30 faranth.ci.uiuc.edu 192.17.24.169 112 0 NA 0 0 0 0 NA NA 0 0 R30 0 0 0 0 NA 0 0 0 0 0 R30 0 0 0 0 0 0 0 0 0 0 R30 NA NA 0 0 0 NA 0 0 0 0 R30 0 0 0 0 0 0 NA NA NA
R31 jhereg.ncsa.uiuc.edu 141.142.2.55 232 0 0 4 1 0 NA NA 0 0 0 R31 2 2 0 0 NA NA 0 0 1 0 R31 2 0 1 0 0 0 0 1 2 0 R31 0 0 0 2 2 NA 0 1 5 1 R31 1 0 NA NA 2 0 0 NA NA
R32 beacon.net.unc.edu 152.2.255.225 68 NA NA NA NA NA 0 NA NA NA NA R32 3 4 0 NA 0 0 0 0 NA NA R32 5 0 NA 0 0 0 NA 3 4 0 R32 0 0 0 5 5 0 0 NA NA NA R32 5 0 NA 0 4 NA NA NA NA
R33 multicast.chpc.utah.edu 155.101.3.100 89 0 0 NA NA 0 1 0 0 0 0 R33 2 2 NA 0 0 NA NA NA 1 NA R33 2 NA NA NA NA 0 NA 2 1 NA R33 0 0 NA NA 1 0 NA NA 0 NA R33 1 NA 0 NA 3 0 0 NA NA
R34 ebc.mc-beacon.utah.edu 155.98.194.254 107 0 5 0 4 1 0 NA 0 0 0 R34 3 NA 0 0 4 0 NA NA NA 0 R34 NA 0 NA 0 0 0 0 3 4 0 R34 5 0 0 3 NA 4 0 3 1 4 R34 3 0 0 0 NA 4 4 NA NA
R35 mbone-test.cs.wisc.edu 128.105.40.15 99 0 NA 0 0 0 0 NA 0 0 NA R35 0 0 0 NA 0 0 0 0 0 0 R35 0 0 NA 0 0 0 0 0 0 0 R35 0 0 0 0 0 NA 0 0 0 NA R35 0 0 0 0 0 0 NA NA NA
R36 lokerikko.tv.funet.fi 193.166.16.111 46 0 0 0 NA 0 NA 0 0 0 0 R36 0 0 34 0 0 NA 0 0 NA 0 R36 23 NA NA 0 0 0 0 0 29 33 R36 0 0 35 0 27 0 0 NA 0 0 R36 25 0 0 0 0 0 0 NA NA
R37 nfc1.grnet.gr 194.177.210.213 460 NA NA NA NA NA 0 0 0 0 0 R37 0 0 0 0 0 0 0 0 0 0 R37 0 NA NA 0 0 0 0 0 0 0 R37 0 0 0 0 0 0 0 0 0 0 R37 0 0 0 0 0 NA NA 0 0
R38 usul.es.net 198.128.1.31 118 0 1 2 0 3 NA NA 0 0 NA R38 NA NA NA NA 1 NA 0 0 1 0 R38 0 0 0 0 0 0 0 0 NA NA R38 1 0 NA 0 1 NA 0 0 0 0 R38 1 0 0 0 NA 1 1 NA NA
R39 ecu-beacon.ncren.net 128.109.58.21 54 NA NA NA NA NA 0 NA NA NA NA R39 3 3 0 NA 0 0 0 0 NA NA R39 4 0 NA 0 0 0 NA 3 3 0 R39 0 0 0 3 3 0 0 NA NA NA R39 4 0 NA 0 4 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 S46 S47 S48
R40 fay-beacon.ncren.net 128.109.2.40 176 NA NA NA NA NA 0 NA NA NA NA R40 3 3 0 NA NA 0 0 0 4 NA R40 2 0 3 0 0 0 NA 3 3 0 R40 NA 0 0 3 4 NA 0 3 NA 4 R40 0 0 NA 0 4 NA NA NA NA
R41 wil-beacon.ncren.net 128.109.3.228 None NA NA NA NA NA NA NA NA NA NA R41 0 0 0 NA NA NA NA NA NA NA R41 0 NA NA 0 0 0 NA 0 0 NA R41 NA NA 0 NA 0 NA NA NA NA NA R41 0 NA NA NA 0 NA NA NA NA
R42 ws-beacon.ncren.net 128.109.1.249 2 NA NA NA NA NA NA NA NA NA NA R42 NA NA NA NA NA NA NA NA NA NA R42 NA NA NA NA NA NA NA NA NA NA R42 NA NA 0 NA NA NA NA NA NA NA R42 0 0 0 NA NA NA NA NA NA
R43 mbeacon.civ.utwente.nl 130.89.244.17 10 NA NA NA NA NA NA NA NA NA NA R43 NA NA NA NA NA NA NA NA NA NA R43 NA NA NA NA NA NA NA NA NA NA R43 NA NA NA NA NA NA NA NA NA NA R43 NA NA NA 0 NA NA NA NA NA
R44 agbridge.sges.auckland.ac.nz 130.216.17.71 80 0 NA 0 9 NA 0 NA 0 0 NA R44 NA NA NA NA 3 0 0 0 9 0 R44 NA 0 9 0 0 0 0 8 NA NA R44 6 0 NA 9 NA 4 0 9 NA 9 R44 10 0 0 0 NA 6 5 NA NA
R45 vv2.ap-accessgrid.org 130.102.78.179 84 0 0 0 NA 0 NA 0 0 NA 0 R45 0 0 0 0 NA NA 0 0 NA NA R45 0 NA NA NA 0 NA NA 0 NA NA R45 NA 0 NA 0 0 0 0 NA 0 NA R45 NA NA NA NA 0 NA NA NA NA
R46 black.ivec.org 192.65.130.134 155 0 NA 0 NA 0 NA NA NA NA 0 R46 0 0 0 0 NA NA NA NA NA NA R46 0 NA NA NA 0 NA NA 0 NA NA R46 NA NA 0 0 NA NA 0 NA 0 NA R46 NA NA NA NA 0 NA NA NA NA
R47 Unresolvable None NA NA NA NA NA NA NA NA NA NA R47 NA NA NA NA NA NA NA NA NA NA R47 NA NA NA NA NA NA NA NA NA NA R47 NA NA NA NA NA NA NA NA NA NA R47 NA NA NA NA NA NA NA NA NA
R48 Unresolvable 9 NA NA NA NA NA NA NA NA NA NA R48 NA NA NA NA NA NA NA NA NA NA R48 NA NA NA NA NA NA NA NA NA NA R48 NA NA NA NA NA NA NA NA NA NA R48 NA NA NA NA NA NA NA NA NA

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

Local Loss is the loss report from this Beacon locally, without relaying reports back to the Central Server. This is only what this one particular Beacon (jhereg.ncsa.uiuc.edu, in this case) sees by itself.

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.