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General @watch Errors



These are traceroute examples of some common @watch Alerts

Network Unavailable Alert:

    You will notice that the requests time out intermittently during the traceroute.
    1 0 ms qsand.cvg1.one.net [216.23.0.65]
    2 40 ms svpri-4.cincinnati.one.net [207.78.244.10]
    3 40 ms 207.78.244.1 [207.78.244.1]
    4 * [request timed out]
    5 * [request timed out]
    6 40 ms 207.78.244.1 [207.78.244.1]
    7 * [request timed out]
    8 * [request timed out]
    9 40 ms 207.78.244.1 [207.78.244.1]
    10 * [request timed out]
    11 30 ms 207.78.244.1 [207.78.244.1]
    12 331 ms 207.78.244.1 [207.78.244.1]
    13 * [request timed out]
    14 30 ms 207.78.244.1 [207.78.244.1]
    15 * [request timed out]
    16 * [request timed out]
    17 30 ms 207.78.244.1 [207.78.244.1]
    18 * [request timed out]
    19 * [request timed out]
    20 * [request timed out]

Webserver Software Broken:

    Notice that the traceroute goes all the way to the machine. This shows that the problems aren't getting to the machine, but the web server doesn't seem to want to serve the requested page.
    1 10 ms qsand.cvg1.one.net [216.23.0.65]
    2 30 ms svpri-4.cincinnati.one.net [207.78.244.10]
    3 41 ms 207.78.244.1 [207.78.244.1]
    4 40 ms 216.23.31.2 [216.23.31.2]
    5 151 ms Serial1-1-0.GW1.IND1.ALTER.NET [157.130.96.169]
    6 150 ms 121.ATM4-0.XR1.CHI4.ALTER.NET [146.188.208.170]
    7 50 ms 195.ATM1-0.TR1.CHI4.ALTER.NET [146.188.208.210]
    8 100 ms 152.63.3.158 [152.63.3.158]
    9 110 ms 399.ATM7-0.XR1.PAO1.ALTER.NET [152.63.48.221]
    10 101 ms 189.ATM7-0.GW8.PAO1.ALTER.NET [152.63.52.65]
    11 140 ms 157.130.197.34 [157.130.197.34]
    12 100 ms 216.33.153.99 [216.33.153.99]
    13 261 ms 216.33.153.181 [216.33.153.181]
    14 341 ms 216.35.111.158 [216.35.111.158]
    15 110 ms atv1.angelfire.com [216.35.100.9]

Network data line down:

    It can be seen that the traceroute hits a spot in the path that it can not continue beyond.
    1 10 ms qsand.cvg1.one.net [216.23.0.65]
    2 30 ms svpri-4.cincinnati.one.net [207.78.244.10]
    3 40 ms 207.78.244.1 [207.78.244.1]
    4 230 ms fe-3-3.core5.cvg1.one.net [216.23.31.11]
    5 * [request timed out]
    6 * [request timed out]
    7 * [request timed out]

Network loop (router flap):

    It can be seen that the traceroute hits a point in the path that loops back on itself.
    1 0 ms qsand.cvg1.one.net [216.23.0.65]
    2 40 ms svpri-4.cincinnati.one.net [207.78.244.10]
    3 30 ms 207.78.244.1 [207.78.244.1]
    4 40 ms fe-3-3.core5.cvg1.one.net [216.23.31.11]
    5 40 ms POS2-0.hsa1.cin1.level3.net [63.210.248.5]
    6 40 ms lo0.mp2.Chicago1.level3.net [209.247.8.244]
    7 40 ms pos9-0.core2.Chicago1.level3.net [209.247.10.174]
    8 50 ms a1-0-28.chcgil1-br1.bbnplanet.net [4.24.146.105]
    9 40 ms so-4-1-0.chcgil2-br1.bbnplanet.net [4.24.9.69]
    10 70 ms p6-0.nycmny1-br2.bbnplanet.net [4.24.9.66]
    11 60 ms p4-0.nycmny1-br1.bbnplanet.net [4.24.6.225]
    12 70 ms so-4-0-0.washdc3-nbr1.bbnplanet.net [4.24.6.57]
    13 60 ms p6-0.washdc3-br1.bbnplanet.net [4.24.10.54]
    14 70 ms p3-0.washdc3-br2.bbnplanet.net [4.24.4.146]
    15 70 ms p7-0.vienna1-nbr2.bbnplanet.net [4.0.1.98]
    16 60 ms p4-0-0.vienna1-cr3.bbnplanet.net [4.0.1.134]
    17 200 ms s0.teligent2.bbnplanet.net [4.1.5.250]
    18 91 ms 216.251.13.74 [216.251.13.74]
    19 120 ms 216.251.13.73 [216.251.13.73]
    20 110 ms 216.251.13.74 [216.251.13.74]
    21 110 ms 216.251.13.73 [216.251.13.73]








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