Multicast Beacon v1.3-0   This page is showing: Central Jitter (%)

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: Fri Mar 12 3:54:07 2010 CST | Page Refresh: 60 seconds | Started: Fri Mar 12 2:15:02 2010 | Beacons: 55 | Blind Beacons: 11
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 S49   S50 S51 S52 S53 S54
R0 beacon.sapac.edu.au 129.127.96.120 134 0 0 0 0 0 0 0 0 0 0 R0 0 NA 0 0 NA NA 0 NA 0 0 R0 0 0 0 NA 0 NA NA 0 0 0 R0 0 0 0 0 NA NA 0 0 NA 0 R0 0 NA 0 0 0 0 0 0 0 0 R0 0 NA 0 0 NA
R1 agvideo.usq.edu.au 139.86.2.230 162 0 0 0 0 0 0 NA NA 4 0 R1 NA NA 0 0 NA NA 0 NA 0 0 R1 0 0 NA NA 0 NA NA 1 0 0 R1 0 0 0 0 NA NA 0 0 NA NA R1 0 NA NA 0 0 0 NA 0 0 0 R1 0 NA 0 0 NA
R2 usq-fos.usq.edu.au 139.86.2.226 100 0 0 0 0 0 0 0 0 0 0 R2 0 NA 0 0 NA NA 0 6 0 0 R2 0 0 0 NA 0 NA NA 19 0 0 R2 0 0 0 0 NA NA 0 0 NA 0 R2 0 NA 0 0 0 0 0 0 0 0 R2 0 NA 0 0 NA
R3 crayon.ucc.usyd.edu.au 129.78.221.17 740 0 0 0 0 0 0 0 0 0 0 R3 0 0 0 0 NA NA 0 0 0 0 R3 0 0 0 NA 0 0 NA 0 0 0 R3 0 0 0 0 NA 0 0 0 0 0 R3 0 NA 0 0 0 0 0 0 0 0 R3 0 NA 0 0 NA
R4 ddrive.cs.dal.ca 129.173.212.139 108 0 0 0 0 0 0 NA 0 NA NA R4 0 NA 0 0 NA NA 0 NA 0 0 R4 0 0 NA 0 0 0 NA 0 0 0 R4 0 0 0 0 NA NA 0 0 NA 0 R4 0 NA 0 0 0 0 0 0 0 0 R4 0 NA 0 0 NA
R5 agvenue1.ucis.dal.ca 192.75.96.3 124 0 0 0 0 0 0 NA 0 NA NA R5 0 NA 0 0 NA NA 0 26 0 0 R5 0 0 NA 0 0 0 NA 9 0 0 R5 0 0 0 0 NA NA 0 0 NA 0 R5 0 NA 0 0 0 0 0 0 0 0 R5 0 NA 0 0 NA
R6 antonius.amtc.nrc.ca 132.246.224.8 70 NA NA NA NA NA NA 0 0 0 0 R6 NA NA 0 0 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 NA NA NA NA R6 NA NA NA NA NA
R7 lepidus.hia.nrc.ca 132.246.216.8 78 0 0 0 0 0 0 0 0 0 0 R7 0 NA 0 0 NA NA 0 NA 0 0 R7 0 0 NA NA 0 NA NA 0 NA 0 R7 NA NA NA 0 NA NA 0 0 NA 0 R7 0 NA 0 0 0 0 0 0 0 0 R7 0 NA 0 0 NA
R8 octavius.imsb.nrc.ca 132.246.2.39 108 0 0 0 0 0 0 0 0 0 0 R8 0 NA 0 0 NA NA 0 NA 0 0 R8 0 0 0 NA 0 NA NA 0 NA 0 R8 0 0 0 0 NA NA 0 0 NA 0 R8 0 NA 0 0 0 0 0 0 0 0 R8 0 NA 0 0 NA
R9 zootv.nrc.ca 132.246.2.28 116 0 0 0 0 0 0 0 0 0 0 R9 0 NA 0 0 NA NA 0 NA 0 0 R9 0 0 0 NA 0 NA NA 0 NA 0 R9 0 0 0 0 NA NA 0 0 NA 0 R9 0 NA 0 0 0 0 0 0 0 0 R9 0 NA 0 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 S46 S47 S48 S49   S50 S51 S52 S53 S54
R10 catbert.risq.qc.ca 206.167.223.65 80 0 0 0 0 0 0 NA NA NA NA R10 0 NA 0 0 NA NA 0 0 0 0 R10 0 0 NA NA 0 NA NA 0 0 0 R10 0 0 0 0 NA NA 0 0 NA 0 R10 0 NA 0 0 0 0 NA 0 0 0 R10 0 NA 0 0 NA
R11 sciviz.nic.ualberta.ca 129.128.125.36 16 NA NA NA NA NA NA NA NA NA NA R11 NA NA NA NA NA NA NA NA NA NA R11 NA NA NA NA NA NA NA NA NA NA R11 NA NA NA NA NA NA NA NA NA NA R11 NA NA NA NA NA NA NA NA NA NA R11 NA NA NA NA NA
R12 collab3.westgrid.ca 142.231.1.123 94 0 0 0 0 0 0 0 0 0 0 R12 0 NA 0 0 NA NA 0 NA 0 0 R12 0 0 NA 0 0 NA NA 0 0 0 R12 NA 0 NA 0 NA NA 0 0 NA 0 R12 0 NA 0 0 0 0 0 0 0 0 R12 0 NA 0 0 NA
R13 venueserver.westgrid.ca 142.231.1.121 80 0 0 0 0 0 0 0 0 0 0 R13 0 NA 0 0 NA NA 0 0 0 0 R13 0 0 NA 0 0 NA NA 0 0 0 R13 NA 0 NA 0 NA NA 0 0 NA 0 R13 0 NA 0 0 0 0 0 0 0 0 R13 0 NA 0 0 NA
R14 cmserver 129.217.204.222 78 0 0 0 0 0 0 0 0 0 0 R14 0 NA 0 0 0 NA 0 0 0 0 R14 0 0 NA NA 0 0 NA 0 NA 0 R14 0 NA 0 0 NA 0 0 0 NA 0 R14 0 NA 0 NA 0 0 0 0 0 0 R14 0 NA 0 0 NA
R15 kn01.halifax.rwth-aachen.de 137.226.111.36 112 0 0 0 0 0 0 0 0 0 0 R15 0 NA 0 0 NA 0 0 NA 0 0 R15 0 0 0 0 0 NA NA 0 0 0 R15 0 0 0 0 NA NA 0 0 NA 0 R15 0 NA 0 NA 0 0 0 0 0 0 R15 0 NA 0 0 NA
R16 streams.rz.rwth-aachen.de 137.226.33.60 126 0 0 0 0 0 0 0 0 0 0 R16 0 NA 0 0 NA 0 0 0 0 0 R16 0 0 0 0 0 NA NA 0 0 0 R16 0 0 0 0 NA NA 0 0 NA 0 R16 0 NA 0 NA 0 0 0 0 0 0 R16 0 NA 0 0 NA
R17 nseg-00.bu.edu 128.197.25.32 66 0 0 0 NA 0 0 NA 0 NA NA R17 NA NA NA 0 NA NA NA NA NA 0 R17 0 NA 0 NA 0 NA NA 0 NA NA R17 0 NA NA 0 NA NA 0 0 NA NA R17 NA NA 0 NA 0 0 NA 0 NA NA R17 0 NA 0 NA NA
R18 accessgrid.sc.fsu.edu 144.174.29.10 96 0 0 0 NA 0 0 0 0 NA 0 R18 0 NA 0 0 NA NA 0 0 0 NA R18 NA 0 0 0 0 NA NA 0 NA 0 R18 0 0 0 0 NA NA 0 0 NA 0 R18 0 NA 0 0 0 0 NA 0 0 0 R18 0 NA 0 0 NA
R19 ag1.sc.fsu.edu 144.174.29.11 92 0 0 0 0 0 0 0 0 0 0 R19 0 NA 0 0 NA NA 0 0 0 NA R19 0 0 0 0 0 NA NA 0 0 0 R19 0 0 0 0 NA NA 0 0 NA 0 R19 0 NA 0 0 0 0 0 0 0 0 R19 0 NA 0 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 S46 S47 S48 S49   S50 S51 S52 S53 S54
R20 ag2.sc.fsu.edu 144.174.29.12 108 0 0 0 0 0 0 0 0 0 0 R20 0 NA 0 0 NA NA 0 0 0 0 R20 NA 0 0 0 0 NA NA 0 0 0 R20 0 0 0 0 NA NA 0 0 NA 0 R20 0 NA 0 0 0 0 0 0 0 0 R20 0 NA 0 0 NA
R21 tsgdev.sc.fsu.edu 144.174.31.40 88 0 0 0 0 0 0 0 0 0 0 R21 0 NA 0 0 NA NA 0 0 0 0 R21 0 0 0 0 0 NA NA 0 0 0 R21 0 0 0 0 NA NA 0 0 NA 0 R21 0 NA 0 0 0 0 0 0 0 0 R21 0 NA 0 0 NA
R22 pulsar.noc.gatech.edu 130.207.166.66 602 0 0 0 0 0 0 0 0 0 0 R22 0 0 0 0 NA NA 0 0 0 0 R22 0 0 0 NA 0 0 NA 0 0 0 R22 NA 0 NA 0 NA 0 NA 0 0 0 R22 0 NA 0 0 0 0 0 0 0 NA R22 0 NA 0 0 NA
R23 netview.its.iastate.edu 129.186.6.240 24 0 0 0 0 0 0 0 0 0 0 R23 0 NA 0 0 NA NA 0 NA 0 0 R23 0 0 0 0 0 NA NA 0 NA 0 R23 0 0 0 0 NA NA 0 0 NA 0 R23 0 NA 0 0 0 0 0 0 0 0 R23 0 NA 0 0 NA
R24 netmenderx.cc.ndsu.nodak.edu 134.129.95.122 14 0 0 0 0 0 0 0 0 0 0 R24 0 NA 0 0 NA NA 0 0 0 0 R24 0 0 0 NA 0 NA NA 0 0 0 R24 0 0 0 0 NA NA 0 0 NA 0 R24 0 NA 0 0 0 0 0 0 0 0 R24 0 NA 0 0 NA
R25 arsenal.psc.edu 128.182.160.60 NA NA NA NA 0 0 NA NA NA NA NA R25 NA NA NA 0 NA NA NA NA NA NA R25 NA NA NA NA NA 0 NA NA NA NA R25 NA NA NA 0 NA NA NA NA NA NA R25 0 NA NA NA NA NA NA NA NA 0 R25 NA NA NA 0 NA
R26 xenon.ops.tns.its.psu.edu 128.118.70.6 142 0 NA 0 0 0 0 NA 0 NA NA R26 0 NA NA NA NA NA NA 0 0 NA R26 NA 0 0 NA 0 NA NA 0 0 0 R26 NA NA NA NA NA NA 0 0 NA NA R26 0 NA 0 NA 0 0 NA NA NA NA R26 NA NA 0 NA NA
R27 vanguard.itt.purdue.edu 128.210.11.242 724 0 0 0 0 0 0 NA 0 NA NA R27 0 0 0 0 NA NA 0 0 0 0 R27 0 0 0 0 0 0 NA 0 0 0 R27 0 0 0 0 NA 0 0 0 0 0 R27 0 NA 0 NA 0 0 0 0 0 0 R27 0 NA 0 0 NA
R28 silver.sdsmt.edu 151.159.1.1 90 0 0 0 0 0 0 0 0 0 0 R28 0 NA 0 0 NA NA 0 0 0 0 R28 0 0 0 NA 0 NA NA 0 0 0 R28 0 NA 0 0 NA NA 0 0 NA 0 R28 0 NA 0 0 0 0 0 0 0 NA R28 0 NA 0 0 NA
R29 npad.ucar.edu 192.43.244.8 92 0 0 0 0 0 0 0 0 0 0 R29 0 NA 0 0 NA NA 0 0 0 0 R29 0 0 0 NA 0 NA NA 0 0 0 R29 0 0 0 0 NA NA 0 0 NA 0 R29 0 NA 0 0 0 0 0 0 0 0 R29 0 NA 0 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 S46 S47 S48 S49   S50 S51 S52 S53 S54
R30 g217display.bsd.uchicago.edu 128.135.122.108 22 0 0 0 0 0 0 0 0 0 0 R30 0 NA 0 0 NA NA 0 0 0 0 R30 0 0 0 NA 0 NA NA 0 NA 0 R30 0 NA 0 0 NA NA 0 0 NA 0 R30 0 NA 0 0 0 0 0 0 0 0 R30 0 NA 0 0 NA
R31 jah2.ucsc.edu 128.114.2.123 118 0 0 0 0 0 0 0 0 0 0 R31 0 NA 0 0 NA NA 0 0 0 0 R31 0 0 0 NA 0 NA NA 0 0 0 R31 0 0 0 0 NA NA 0 0 NA 0 R31 0 NA 0 0 0 0 0 0 0 0 R31 0 NA 0 0 NA
R32 jhereg.ncsa.uiuc.edu 141.142.2.55 44 0 NA 0 0 NA 0 0 0 NA 0 R32 0 NA 0 0 NA NA 0 0 0 0 R32 NA NA 0 0 NA NA NA 0 0 0 R32 0 0 0 0 NA NA 0 0 NA 0 R32 0 NA NA NA 0 0 NA 0 0 0 R32 0 NA 0 0 NA
R33 beacon.net.unc.edu 152.2.255.225 126 0 0 0 0 0 0 NA 0 NA NA R33 0 NA 0 0 NA NA 0 0 0 0 R33 0 0 0 0 0 NA NA 0 0 0 R33 0 0 0 0 NA NA 0 0 NA 0 R33 0 NA NA 0 0 0 0 0 0 0 R33 0 NA 0 0 NA
R34 i2-accessgrid-6.unomaha.edu 137.48.130.70 108 0 0 0 0 0 0 0 0 0 0 R34 NA NA 0 0 NA NA 0 36 0 0 R34 0 0 0 NA 0 NA NA 53 NA 0 R34 0 0 0 0 0 NA 0 0 NA 0 R34 0 NA 0 0 0 0 NA 0 0 0 R34 0 NA 0 0 NA
R35 multicast.chpc.utah.edu 155.101.3.100 74 0 NA 0 0 NA 0 0 0 0 0 R35 0 NA NA 0 NA NA NA 0 0 NA R35 NA NA 0 NA 0 NA NA 0 0 0 R35 0 0 NA 0 NA NA 0 0 NA 0 R35 0 NA 0 NA 0 0 0 0 NA NA R35 0 NA 0 NA NA
R36 mbone-test.cs.wisc.edu 128.105.40.15 32 0 0 0 0 0 0 0 0 0 0 R36 0 NA 0 0 NA NA 0 0 0 0 R36 0 0 0 0 0 NA NA 0 0 0 R36 0 0 0 0 NA NA 0 0 NA 0 R36 0 NA 0 NA 0 0 0 0 0 0 R36 0 NA 0 0 NA
R37 lokerikko.tv.funet.fi 193.166.16.111 86 0 0 0 0 0 0 NA 0 NA NA R37 0 NA 0 0 NA NA 0 0 0 0 R37 0 0 0 0 0 0 NA 0 0 0 R37 0 0 0 0 NA NA 0 0 NA 0 R37 0 NA 0 NA 0 0 0 0 0 0 R37 0 NA 0 0 NA
R38 mcast.cen.ct.gov 64.251.63.189 14 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 NA NA NA R38 NA NA NA NA NA NA NA NA NA NA R38 NA NA NA NA NA
R39 nfc1.grnet.gr 194.177.210.213 636 0 0 0 0 0 0 0 0 0 0 R39 0 0 0 0 NA NA 0 0 0 0 R39 0 0 0 NA 0 0 NA 0 0 0 R39 0 NA 0 0 NA 0 0 0 0 0 R39 0 NA 0 0 0 0 NA 0 0 0 R39 0 NA 0 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 S46 S47 S48 S49   S50 S51 S52 S53 S54
R40 usul.es.net 198.128.1.31 42 0 0 0 0 0 0 NA 0 NA NA R40 0 NA 0 0 NA NA 0 0 0 0 R40 0 0 0 0 0 0 NA 0 0 0 R40 0 0 0 0 NA NA 0 0 NA 0 R40 0 NA 0 0 0 0 0 0 0 0 R40 0 NA 0 0 NA
R41 chlt-beacon.ncren.net 128.109.249.21 NA 0 0 0 0 0 0 NA 0 NA NA R41 0 NA 0 0 NA NA NA 0 NA NA R41 NA 0 0 0 0 NA NA 0 0 0 R41 0 0 NA 0 NA 0 0 0 NA NA R41 0 NA 0 0 0 0 NA 0 0 NA R41 0 NA 0 0 NA
R42 ecu-beacon.ncren.net 128.109.58.21 32 0 0 0 0 0 0 NA 0 NA NA R42 0 NA 0 0 NA NA 0 224 0 0 R42 0 0 0 NA 0 NA NA 196 0 0 R42 0 0 0 0 NA NA 0 0 NA 0 R42 0 NA 0 0 0 0 0 0 0 0 R42 0 NA 0 0 NA
R43 gb-beacon.ncren.net 128.109.16.117 NA 0 0 0 0 0 0 NA 0 NA NA R43 0 NA NA NA NA NA NA NA NA NA R43 NA 0 NA NA 0 NA NA ** 0 0 R43 NA NA NA NA NA NA 0 0 NA 0 R43 0 NA 0 NA 0 0 NA NA 0 NA R43 NA NA 0 NA NA
R44 wil-beacon.ncren.net 128.109.3.228 24 0 0 0 2 0 0 NA 2 NA NA R44 1 NA 0 0 NA NA 0 0 0 0 R44 0 0 3 NA 0 NA NA 3 2 2 R44 0 NA 0 0 NA NA 0 7 NA 0 R44 2 NA 0 NA 0 2 0 0 0 3 R44 0 NA 0 0 NA
R45 ws-beacon.ncren.net 128.109.1.249 140 NA NA NA NA NA NA NA NA NA NA R45 NA NA NA NA NA NA NA NA NA NA R45 NA NA NA NA NA NA NA NA NA NA R45 NA NA NA 0 NA NA NA NA NA NA R45 NA NA 0 0 0 0 NA NA NA NA R45 NA NA NA NA NA
R46 stats.ottix.net NAT'd Address 108 0 0 0 0 0 0 0 0 0 0 R46 0 NA 0 0 NA NA 0 0 0 0 R46 0 0 0 NA 0 NA NA 0 NA 0 R46 0 0 0 0 NA NA 0 0 NA 0 R46 0 NA 0 0 0 0 0 0 0 0 R46 0 NA 0 0 NA
R47 zoot.uen.net 205.127.87.150 104 0 0 0 0 0 0 0 0 0 0 R47 0 NA 0 0 NA NA 0 NA 0 0 R47 0 0 0 NA 0 NA NA 0 0 0 R47 0 0 0 0 NA NA 0 0 NA 0 R47 0 NA 0 0 0 0 0 0 0 0 R47 0 NA 0 0 NA
R48 mbeacon.civ.utwente.nl 130.89.244.17 140 0 0 0 0 0 0 0 0 0 0 R48 0 NA 0 NA NA NA 0 NA 0 0 R48 0 0 0 NA 0 NA NA 0 0 0 R48 NA NA 0 NA NA NA 0 0 NA 0 R48 0 NA 0 0 0 0 0 0 0 0 R48 NA NA 0 0 NA
R49 agbridge.sges.auckland.ac.nz 130.216.17.71 90 0 0 0 0 0 0 0 0 0 0 R49 NA NA 0 0 NA NA 0 NA 0 0 R49 0 0 0 0 0 0 NA 0 0 0 R49 0 0 0 0 NA NA 0 0 NA 0 R49 0 NA 0 NA 0 0 NA 0 0 0 R49 0 NA 0 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 S46 S47 S48 S49   S50 S51 S52 S53 S54
R50 kmbeacon1.karen.ac.nz 210.7.46.141 138 0 0 NA 0 0 0 0 0 0 0 R50 0 NA 0 0 NA NA 0 2 0 0 R50 0 0 0 0 0 NA NA 0 0 0 R50 0 0 0 0 NA NA 0 0 NA 0 R50 0 NA 0 0 0 0 0 0 0 0 R50 0 NA 0 0 NA
R51 kmbeacon2.karen.ac.nz 210.7.46.204 64 NA NA NA NA NA NA NA NA NA NA R51 NA NA NA NA NA NA NA NA NA NA R51 NA NA NA NA NA NA NA NA NA 0 R51 NA NA NA NA NA NA NA 0 NA NA R51 NA NA NA NA NA NA NA NA NA NA R51 NA 0 NA NA NA
R52 vv2.ap-accessgrid.org 130.102.78.179 88 0 0 0 0 0 0 0 0 0 0 R52 NA NA 0 0 NA NA NA 0 0 NA R52 NA 0 0 NA 0 NA NA 0 0 0 R52 0 NA 0 0 NA NA 0 0 NA 0 R52 0 NA 0 0 0 0 0 NA 0 0 R52 0 NA 0 0 NA
R53 black.ivec.org 127.0.1.1 148 0 0 NA 0 0 0 0 0 0 0 R53 0 NA 0 0 NA NA 0 0 0 0 R53 0 0 0 NA 0 NA NA 0 0 0 R53 0 0 0 0 NA NA 0 0 NA 0 R53 0 NA 375 0 0 0 0 0 0 0 R53 0 NA 0 0 NA
R54 newtrillian.jogback.se 212.247.200.145 26 NA NA NA NA NA NA NA NA NA NA R54 NA NA NA NA NA NA NA NA NA NA R54 NA NA NA NA NA NA NA NA NA NA R54 NA NA NA NA NA NA NA 0 NA NA R54 NA NA NA NA NA NA NA NA NA NA R54 NA NA NA NA 0

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


Blind Beacons -- These Beacons are being correctly reported to the Central Server, but do not see any other Beacons, nor are they seen by any other Beacons. Check your multicast setup if you are the admin for any of the Beacons listed below!

Central Jitter is the reported jitter between two Beacons in the current multicast group, sent via TCP unicast back to the Central Server (in this case, "jhereg.ncsa.uiuc.edu") for the group. This allows for the reporting of Beacons that might not otherwise be able to see each other via UDP multicast.

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.