On Sun, 3 Dec 2000, Jim Koermer wrote:
> Just when LDM/IDD was working quite well here, a new problem cropped up
> around 03/18Z. Since the Unidata FOS topology page is not working, I
> can't check on the latencies. However, I'm running way behind on data
> ingest via IDD. I noticed the my 18Z .sao and .syn files are 4 times
> their normal size and even at 22Z are still taking on data. This was
> true even after I deleted and remade the product queue (several times).
>
> Any ideas or suggestions?
>
> Jim
Yup. Your OC-3 or whatever you have is saturated. Maybe someone on campus
is having a DOS attack or syn flood of packets?...
Traceroute from weather.admin.niu.edu to snow.plymouth.edu
1 131.156.8.1 (131.156.8.1) 13.194 ms 8.153 ms 6.440 ms
2 h4-0-1.chicago1-cr3.bbnplanet.net (4.0.201.173) 176.904 ms 276.178 ms
2.824 ms
3 p4-0-0.chicago1-br1.bbnplanet.net (4.0.3.1) 4.465 ms 4.958 ms 5.627 ms
4 p2-0.chicago1-nbr1.bbnplanet.net (4.0.5.90) 4.667 ms 4.500 ms 4.384 ms
5 p6-2.chcgil1-ba2.bbnplanet.net (4.0.5.234) 5.328 ms 4.626 ms 4.337 ms
6 p7-0.chcgil1-br2.bbnplanet.net (4.24.5.237) 4.182 ms 3.687 ms 4.833 ms
7 p4-0.chcgil1-br1.bbnplanet.net (4.24.5.225) 4.278 ms 6.550 ms 6.610 ms
8 so-4-1-0.chcgil2-br1.bbnplanet.net (4.24.9.69) 13.561 ms 4.421 ms 4.225
ms
9 p1-0.chcgil2-cr11.bbnplanet.net (4.24.6.22) 4.355 ms 3.743 ms 4.537 ms
10 p12-0.crtntx1-br1.bbnplanet.net (4.24.7.42) 36.002 ms 37.309 ms 37.087 ms
11 p3-0.crtntx1-ba1.bbnplanet.net (4.24.10.122) 37.319 ms 37.650 ms 39.043
ms
12 p1-0.crtntx1-ba2.bbnplanet.net (4.24.4.242) 37.500 ms 37.355 ms 36.567 ms
13 mae-dallas-atm-gtei.globalcenter.net (4.24.147.26) 53.905 ms 49.671 ms
44.273 ms
14 pos0-0-622M.cr2.JFK.gblx.net (206.132.253.198) 60.667 ms 56.088 ms
67.311 ms
15 UniversityofNewHampshire.ATM3-0.cr2.NYC3.gblx.net (208.51.142.110) 113.319
ms 80.928 ms 78.264 ms
16 ehy623.plymouth.edu (158.136.12.2) 358.265 ms 283.542 ms 259.071 ms
17 * * *
18 xlam04-2.plymouth.edu (158.136.2.3) 532.053 ms 546.656 ms 607.385 ms
19 snow.plymouth.edu (158.136.73.117) 640.671 ms 713.747 ms 679.570 ms
Ours is nearly saturated right now (as noted by the high ping times on the
first router to Genuity, formerly BBNPlanet), but I buy the rest of the
ping times.
*******************************************************************************
Gilbert Sebenste ********
Internet: gilbert@xxxxxxx (My opinions only!) ******
Staff Meteorologist, Northern Illinois University ****
E-mail: sebenste@xxxxxxxxxxxxxxxxxxxxx ***
web: http://weather.admin.niu.edu **
Work phone: 815-753-5492 *
*******************************************************************************
