- Paul
Forwarded message:
> From lang Tue Aug 25 15:05:54 1998
> Subject: Re: route from jsimpson.gsfc.nasa.gov to dyfrig.mcs.anl.gov
> To: turbulence@ciocc.arc.nasa.gov
>
> Here is the traceroute from the GigaRouter (rtr-900-giga-h, 169.154.161.1)
> to dyfrig.mcs.anl.gov (140.221.9.172)
>
> rtr-900-giga# traceroute 140.221.9.172
> traceroute to 140.221.9.172 (140.221.9.172), 30 hops max, 40 byte packets
> 1 rtr-atm-a.gsfc.nasa.gov (169.154.1.1) 2.345 ms 2.309 ms 2.177 ms
> 2 rtr-nren-gsfc-a.nasa.atd.net (198.119.5.250) 7.96 ms 1.694 ms 1.673 ms
> 3 nren-chi-rtr.nren.nasa.gov (198.10.64.66) 17.241 ms 16.371 ms 16.357 ms
> 4 192.12.123.9 (192.12.123.9) 18.412 ms 17.731 ms 18.279 ms
> 5 destiny.mcs.anl.gov (130.202.128.5) 19.814 ms 19.258 ms 18.957 ms
> 6 dyfrig.mcs.anl.gov (140.221.9.172) 19.819 ms 18.94 ms 18.447 ms
> rtr-900-giga#
>
> jsimpson-h.gsfc.nasa.gov (169.154.161.43) connects to the GigaRouter via
> its Hippi interface (the reason for the -h sufix).
>
> The symptom of the hang of the HIPPI interface on the GigaRouter was that
> you couldn't ping its hippi interface (169.154.161.1) even though you
> could ping its atm interface (rtr-900-giga-a.gsfc.nasa.gov 169.154.32.3).
> Note the traceroute to jsimpson-h would stop at the GigaRouter's atm address.
>
> Anne Hammond indicated that she did add a check to see if jsimpson was
> down (by pinging its FDDI interface 128.183.253.43, to make sure that
> the reaons she could not get to jsimpson was not that it was not up.
>
> We'll try to keep an eye on the connection, but if you should happen to
> notice it is down, please let us know:
>
> Bill Fink 301-286-9423 bill@wizard.gsfc.nasa.gov
> Paul Lang 301-286-3379 lang@gi-joe.gsfc.nasa.gov
> Sanjiv Dugal 301-286-2045 sduggal@pop900.gsfc.nasa.gov
>
> hpcc-dist@wizard.gsfc.nasa.gov (gets the whole group)
>
> Bill should be back tomorrow or the next day.
>
> - Paul