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Re: 20050516:UNF allow of CONDUIT--some other info..
- Subject: Re: 20050516:UNF allow of CONDUIT--some other info..
- Date: Wed, 18 May 2005 12:13:02 -0600
Mark,
Sorry for the delay getting back to you. LDM traffic from Sprint is
blocked at the NSF router to avoid saturating their low bandwidth (T3)
link. The workaround for Sprint customers is to feed from another
top tier site besides atm.
Jeff -- alternate site?
mike
On May 18, 11:09am, Mark Price wrote:
> Subject: Re: 20050516:UNF allow of CONDUIT--some other info..
> Mike,
> I replied a couple of days ago, but haven't heard back. Maybe the email
> got lost in the sprint network :-P
> It does turn out that that last stop our data makes on its way to
> atm.geo.nsf.gov is at sprint. What workarounds are possible?
> Perhaps there is another internet 2 (or preferrably lambda rail) host
> that can act as our upstream for CONDUIT.
>
> The traceroute is from another host on campus, due to campus network policy:
> 11:08:45 ) /usr/sbin/traceroute atm.geo.nsf.gov
> traceroute to atm.geo.nsf.gov (198.181.231.53), 30 hops max, 40 byte packets
> 1 heron.noc.unf.edu (139.62.200.180) 0.42 ms 0.331 ms 0.319 ms
> 2 heron.noc.unf.edu (139.62.228.2) 0.503 ms 0.436 ms 0.46 ms
> 3 198.32.155.169 (198.32.155.169) 0.969 ms 0.918 ms 0.901 ms
> 4 tlh-flrcore-7609-1-te33-1.net.flrnet.org (198.32.155.17) 8.326 ms
> 8.299 ms 8.266 ms
> 5 tpa-flrcore-7609-1-gi11-1.net.flrnet.org (4.79.246.46) 8.463 ms
> 8.601 ms 8.364 ms
> 6 ge-6-2.car2.Tampa1.Level3.net (4.79.246.45) 8.376 ms 8.255 ms
> 8.262 ms
> 7 ae-1-53.mp1.Tampa1.Level3.net (4.68.104.65) 8.385 ms 16.951 ms
> 8.432 ms
> 8 as-3-0.bbr2.Washington1.Level3.net (64.159.1.2) 38.797 ms
> ae-0-0.bbr1.Washington1.Level3.net (64.159.0.229) 38.657 ms
> as-3-0.bbr2.Washington1.Level3.net (64.159.1.2) 38.64 ms
> 9 ge-1-1-51.car4.Washington1.Level3.net (4.68.121.15) 130.815 ms
> ge-1-2-52.car4.Washington1.Level3.net (4.68.121.47) 186.371 ms
> ge-1-1-55.car4.Washington1.Level3.net (4.68.121.143) 151.615 ms
> 10 sl-st20-ash.sprintlink.net (209.244.219.170) 45.452 ms 164.673 ms
> 219.408 ms
> 11 sl-bb23-rly-5-0.sprintlink.net (144.232.20.153) 40.827 ms 41.028
> ms 41.216 ms
> 12 sl-bb21-pen-12-0.sprintlink.net (144.232.20.33) 73.286 ms 80.316
> ms 233.694 ms
> 13 sl-bb22-pen-15-0.sprintlink.net (144.232.16.30) 43.156 ms 43.21 ms
> 43.053 ms
> 14 sl-gw42-pen-10-0.sprintlink.net (144.232.5.86) 42.731 ms 43.078 ms
> 42.815 ms
> 15 160.81.65.26 (160.81.65.26) 48.85 ms 48.621 ms 48.6 ms
> 16 * * *
> 17 atm.geo.nsf.gov (198.181.231.53) 57.898 ms 47.871 ms 44.939 ms
>
>
>
> Mike Schmidt wrote:
> > Mark,
> >
> > It's likely that the routing is asymmetric -- can you provide a
> > traceroute from your system to atm.geo.nsf.gov? We have a known
> > issue that blocks atm from taking LDM requests from hosts on Sprint.
> >
> > mike
> >
> >
> >>---------- Forwarded message ----------
> >>Date: Mon, 16 May 2005 16:09:49 -0600 (MDT)
> >>From: Jeff Weber <address@hidden>
> >>To: Mark Price <address@hidden>
> >>Cc: address@hidden
> >>Subject: Re: 20050516:UNF allow of CONDUIT
> >>
> >>HI Mark,
> >>
> >>I see no attempts to connect to atm from crusty....or any ccec.unf.edu
> >>machine...?
> >>
> >>
> >>Did you stop and start the LDM after reconfiguring your ldmd.conf file?
> >>
> >>Jeff
> >>---------------------------------------------------------------------
> >>Jeff Weber address@hidden :
> >>Unidata Program Center PH:303-497-8676 :
> >>University Corp for Atmospheric Research 3300 Mitchell Ln :
> >>http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 :
> >>---------------------------------------------------------------------
> >>
> >>On Mon, 16 May 2005, Jeff Weber wrote:
> >>
> >>
> >>>Hi Mark,
> >>>
> >>>
> >>>From "awhois"
> >>>
> >>>No match for "CRUSTY.CCEC.UNF.EDU".
> >>>
> >>>
> >>>..and then a nslookup..
> >>>
> >>>(jweber) lenny:/home/jweber 41 % nslookup crusty.ccec.unf.edu
> >>>Server: laraine.unidata.ucar.edu
> >>>Address: 128.117.140.62
> >>>
> >>>Non-authoritative answer:
> >>>Name: crusty.ccec.unf.edu
> >>>Address: 139.62.32.83
> >>>
> >>>
> >>>Do you have reverse DNS enabled, I suspect as much as I see data coming
> >>>in..
> >>>
> >>>You ~should be able to reach atm.geo.nsf.gov...I'll poke through the logs
> >>>on atm...
> >>>
> >>>
> >>>Firewall rules should be "open port 388" :)
> >>>
> >>>Jeff
> >>>---------------------------------------------------------------------
> >>>Jeff Weber address@hidden :
> >>>Unidata Program Center PH:303-497-8676 :
> >>>University Corp for Atmospheric Research 3300 Mitchell Ln :
> >>>http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 :
> >>>---------------------------------------------------------------------
> >>>
> >>>On Mon, 16 May 2005, Mark Price wrote:
> >>>
> >>>
> >>>>Jeff Weber wrote:
> >>>>
> >>>>
> >>>>>Hi all,
> >>>>>
> >>>>>"crusty" now has access to the CONDUIT feed from:
> >>>>>
> >>>>>atm.geo.nsf.gov
> >>>>>
> >>>>>
> >>>>>If it does not hamper your testing ( I doubt it will, it may add value)
> >>>>>please add the line:
> >>>>>
> >>>>>exec "rtstats -h rtstats.unidata.ucar.edu"
> >>>>>
> >>>>>at the top of your ldmd.conf file in the "EXEC" section:
> >>>>>
> >>>>>
> >>>>
> >>>>Hi, Jeff
> >>>>Are you sure I'm allowed in? Are the firewall rules right? Here's the
> >>>>current stats. I added the rtstats, btw, but UNF might block the email.
> >>>>We are keeping logs, though.
> >>>>
> >>>>~/etc> ldmprods
> >>>>PCWS 0 0 24 ####### 164.52 662@32:14
> >>>>23:59:59 h4a.fsl.noaa.gov_v_eldm4.fs
> >>>>FSL2 0 0 63 ####### 153.90 811@29:47
> >>>>23:59:59 h3a.fsl.noaa.gov_v_eldm4.fs
> >>>>FSL2 0 0 58 ####### 229.97 2470@02:09
> >>>>23:59:59 h4a.fsl.noaa.gov_v_eldm4.fs
> >>>>FSL3 0 0 28 ####### 155.22 813@29:53
> >>>>23:59:59 h3a.fsl.noaa.gov_v_eldm4.fs
> >>>>NLDN 0 0 10 57092 15.72 21@30:54
> >>>>23:59:59 striker.atmos.albany.edu_v_
> >>>>EXP 0 0 11 817 11.11 11@44:51
> >>>>23:59:59 cfhf1.iflorida._v_adsl-068-
> >>>>EXP 1 73 12 862 3.57 4@05:58
> >>>>20:56:02 egwf1.iflorida._v_adsl-068-
> >>>>EXP 0 0 11 4502 3.05 3@41:32
> >>>>23:59:59 ldm.iflorida_v_adsl-068-016
> >>>>EXP 1 73 12 869 4.87 7@30:31
> >>>>20:55:36 mmsf1.iflorida._v_adsl-068-
> >>>>EXP 1 74 12 878 7.06 7@55:58
> >>>>20:56:05 porf1.iflorida._v_adsl-068-
> >>>>
> >>>>--
> >>>>Mark Price
> >>>>System Administrator
> >>>>Advanced Weather Information Systems Lab, UNF
> >>>>(904) 620-2759
> >>>>
> >>>>
> >>>>
> >>>
> >>-- End of excerpt from Jeff Weber
>
>
> --
> Mark Price
> System Administrator
> Advanced Weather Information Systems Lab
> University of North Florida
> (904)620-2759
> mailto: address@hidden
>-- End of excerpt from Mark Price