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Re: 19990719: feed sites

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Subject: Re: 19990719: feed sites
Date: Wed, 21 Jul 1999 10:21:45 -0600 (MDT)

Chris,

Could you put an allow UNIDATA|FSL2 in the ldmd.conf file for the
University of Puerto Rico . If you inspect the following information it
appears that their usual connection sequence in no longer reliable.  If
this ends up being a burden on your network or machine we can look for an
alternative.  

Thanks Robb...


machine: rmocfis.upr.clu.edu



On Tue, 20 Jul 1999, McIDAS wrote:

> Here's the Ping information for twister.millersv.edu from IRIX 6.4:
> ------------------------------------------------------------------------
> PING twister.millersv.edu (166.66.34.16): 56 data bytes
> 36 bytes from mae-east.voicenet.net (192.41.177.97): Communication
> prohibited for icmp_seq=6
> 36 bytes from mae-east.voicenet.net (192.41.177.97): Communication
> prohibited for icmp_seq=12
> 36 bytes from mae-east.voicenet.net (192.41.177.97): Communication
> prohibited for icmp_seq=26
> 36 bytes from mae-east.voicenet.net (192.41.177.97): Communication
> prohibited for icmp_seq=29
> 
> ----twister.millersv.edu PING Statistics----
> 68 packets transmitted, 0 packets received, 100% packet loss
> ------------------------------------------------------------------------
> The site was pinged for about 20 seconds, and as you can see none of the
> packets arrived.  This is what the trace looks like:
> 
> ------------------------------------------------------------------------
> Tracing route to twister.millersv.edu [166.66.34.16]
> over a maximum of 30 hops:
> 
>   1     2 ms     2 ms     2 ms  136.145.164.1 
>   2   827 ms   794 ms     *     136.145.201.1 
>   3   898 ms   856 ms   835 ms  PRDVnetT3.CLU.EDU [136.145.1.25] 
>   4   853 ms   912 ms     *     208.234.33.49 
>   5   839 ms   905 ms   948 ms  63.69.203.1 
>   6   839 ms   847 ms     *     Serial2-1-0.GW2.MIA1.ALTER.NET
> [157.130.70.141] 
>   7   913 ms   812 ms   874 ms  117.ATM3-0.XR1.ATL1.ALTER.NET
> [146.188.232.234] 
>   8   926 ms   891 ms     *     195.ATM8-0-0.BR1.ATL1.ALTER.NET
> [146.188.232.49] 
>   9   923 ms     *        *     core3-hssi3-0.Atlanta.cw.net
> [206.157.77.113] 
>   //Apparently this backbone
>  10     *        *        *     Request timed out.
>  11     *     1022 ms   810 ms  mae-east3-nap.Washington.cw.net
> [204.70.1.22] 
>   //has problems
>  12     *        *        *     Request timed out.
>  13  mae-east.voicenet.net [192.41.177.97]  reports: Destination net
> unreachable.
> 
> Trace complete.
> ------------------------------------------------------------------------
> This problem has persisted for several days.
> Pinging our now primary server returns all packets, as you also see in
> its trace:
> ------------------------------------------------------------------------
> 
> Tracing route to aqua.atmos.uah.edu [198.116.60.19]
> over a maximum of 30 hops:
> 
>   1     3 ms     2 ms     2 ms  136.145.164.1 
>   2   828 ms   796 ms     *     136.145.201.1 
>   3   736 ms   928 ms   789 ms  PRDVnetT3.CLU.EDU [136.145.1.25] 
>   4   749 ms   863 ms   718 ms  208.234.33.49 
>   5   811 ms   879 ms   805 ms  63.69.203.1 
>   6   940 ms     *      789 ms  Serial2-1-0.GW2.MIA1.ALTER.NET
> [157.130.70.141] 
>   7   790 ms   842 ms  1035 ms  117.ATM3-0.XR1.ATL1.ALTER.NET
> [146.188.232.234] 
>   8  1014 ms   858 ms   939 ms  195.ATM3-0.TR1.ATL1.ALTER.NET
> [146.188.232.86] 
>   9   885 ms   690 ms   906 ms  109.ATM4-0.TR1.DCA1.ALTER.NET
> [146.188.136.14] 
>  10     *      885 ms     *     199.ATM6-0.XR1.TCO1.ALTER.NET
> [146.188.161.161] 
>  11     *      957 ms   882 ms  193.ATM8-0-0.BR1.TCO1.ALTER.NET
> [146.188.160.65] 
>  12   820 ms     *        *     mae-east.nsn.nasa.gov [192.41.177.125] 
>  13  1110 ms  1091 ms     *     128.161.10.18 
>  14     *     1024 ms   948 ms  192.149.89.22 
>  15  1016 ms     *      928 ms  192.149.89.90 
>  16  1144 ms   979 ms     *     aqua.atmos.uah.edu [198.116.60.19] 
>  17   982 ms   976 ms  1088 ms  aqua.atmos.uah.edu [198.116.60.19] 
> 
> Trace complete.
> ------------------------------------------------------------------------
> Tracing the third server, sapodilla.rsmas.miami.edu, works perfectly
> fine:
> 
> ------------------------------------------------------------------------
> Tracing route to sapodilla.rsmas.miami.edu [129.171.98.131]
> over a maximum of 30 hops:
> 
>   1     3 ms     2 ms     2 ms  136.145.164.1 
>   2   838 ms   900 ms     *     136.145.201.1 
>   3     *      784 ms   844 ms  PRDVnetT3.CLU.EDU [136.145.1.25] 
>   4   912 ms   919 ms   856 ms  208.234.33.49 
>   5   829 ms   844 ms   802 ms  63.69.203.1 
>   6   827 ms   956 ms   854 ms  Serial2-1-0.GW2.MIA1.ALTER.NET
> [157.130.70.141] 
>   7   790 ms   945 ms   782 ms  117.ATM2-0.XR2.ATL1.ALTER.NET
> [146.188.232.230] 
>   8   839 ms  1024 ms   933 ms  194.ATM11-0-0.GW1.MIA1.ALTER.NET
> [146.188.232.133] 
>   9   869 ms   937 ms   950 ms  bs-miai-gw.customer.ALTER.NET
> [157.130.69.102] 
>  10   764 ms   682 ms   854 ms  205.152.16.196 
>  11   840 ms     *        *     172.25.83.66 
>  12   737 ms  1019 ms     *     216.79.12.34 
>  13   712 ms   807 ms   967 ms  cen7513.ir.miami.edu [129.171.32.4] 
>  14   864 ms   935 ms     *     centrex-rsmas-ds1.tel.miami.edu
> [129.171.160.3] 
>  15   923 ms  1020 ms     *     sapodilla.rsmas.miami.edu
> [129.171.98.131] 
>  16   961 ms   971 ms   891 ms  sapodilla.rsmas.miami.edu
> [129.171.98.131] 
> 
> Trace complete.
> ------------------------------------------------------------------------
> 
> You were right, it is the backbone that seems to be down or not working
> properly. We could use another server should the remaining one remain
> uncommunicated. 
> 
> Thanks,
> 
> Karli Lopez
> 
> 
> Robb Kambic wrote:
> > 
> > Karli,
> > 
> > I don't think your feeder sites are down, it's the connection to them that
> > is broken. I would suggest doing a traceroute to the sites and then send
> > the results back to me when you can't connect. Also you should try to a
> > traceroute to sapodilla.rsmas.miami.edu, let's see what that looks like.
> > 
> > Robb...
> > 
> > >
> > 
> > ===============================================================================
> > Robb Kambic                                Unidata Program Center
> > Software Engineer III                      Univ. Corp for Atmospheric 
> > Research
> > address@hidden                   WWW: http://www.unidata.ucar.edu/
> > ===============================================================================
> 
> -- 
> 
> ====================================================================
> Amos Winter                                  address@hidden
> Director
> Puerto Rico Climatology Center 
> P.O. Box 9013                           
> Department of Marine Sciences                  phone: (787) 265-5416    
> University of Puerto Rico - Mayaguez             fax: (787) 265-2195
> Mayaguez, PR 00681-9013
> 

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================

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