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Subject:	Re: I cannot connect to LDRAW.ORG - plz help!!!
Newsgroups:	lugnet.off-topic.geek, lugnet.cad.dev.org.ldraw
Date:	Mon, 21 Aug 2000 06:20:05 GMT
Viewed:	916 times

Dan: > I wonder if it's just too many hops? It is. There are 33 hops to www.ldraw.org (see below). > Isn't the default TTL for tcp/ip set for 30? Yes, but how can you change it? > On Sun, Aug 20, 2000 at 10:24:39PM +0000, Franklin W. Cain wrote: • [...] > > C:\WINDOWS>tracert www.ldraw.org > > > > Tracing route to www.ldraw.org [130.226.51.217] > > over a maximum of 30 hops: > > > > 1 146 ms 137 ms 127 ms 209.215.193.130 • [...] > > 25 297 ms 252 ms 254 ms dk-gw.nordu.net [193.10.252.46] > > 26 304 ms 255 ms 256 ms FNET-LGB5.router.darenet.dk [130.225.245.5] > > 27 317 ms 248 ms 253 ms KVL.router.darenet.dk [130.225.244.238] > > 28 299 ms 260 ms 256 ms 130.225.244.41 > > 29 270 ms 265 ms 252 ms 130.225.244.37 > > 30 282 ms 251 ms 255 ms 130.225.244.33 I did a traceroute from a machine in Copenhagen: alf$ traceroute www.ldraw.org traceroute to www.ldraw.org (130.226.51.217), 30 hops max, 40 byte packets 1 nbi-gw (130.225.212.1) 1 ms 0 ms 0 ms 2 teil1-3-gw.net.ku.dk (130.225.204.110) 2 ms 2 ms 1 ms 3 Panum.2.router.darenet.dk (130.225.244.130) 2 ms 1 ms 1 ms 4 HHK.router.darenet.dk (130.225.244.65) 2 ms 2 ms 2 ms 5 KVL.router.darenet.dk (130.225.244.249) 2 ms 2 ms 2 ms 6 130.225.244.41 (130.225.244.41) 2 ms 2 ms 2 ms 7 130.225.244.37 (130.225.244.37) 2 ms 2 ms 2 ms 8 130.225.244.33 (130.225.244.33) 3 ms 3 ms 3 ms 9 Riso.router.darenet.dk (130.225.244.245) 3 ms 3 ms 5 ms 10 130.225.244.186 (130.225.244.186) 4 ms 5 ms 4 ms 11 sys-323.risoe.dk (130.226.51.217) 4 ms 4 ms 4 ms As you see from the router names, you need three more hops to get to www.ldraw.org, but - now we get to the really interesting part - when I do a traceroute from www.ldraw.org to the first router in your trace (209.215.193.130), I find a shorter path (the '-m 40' is to allow up to 40 hops): sys-323$ traceroute -m 40 209.215.193.130 1 riso-unic (130.226.48.2) 1.257 ms 1.109 ms 1.122 ms 2 130.225.244.185 (130.225.244.185) 1.135 ms 0.998 ms 1.066 ms 3 Ruc.router.darenet.dk (130.225.244.246) 1.266 ms 1.231 ms 1.216 ms 4 130.225.244.34 (130.225.244.34) 1.544 ms 1.572 ms 1.512 ms 5 130.225.244.38 (130.225.244.38) 2.074 ms 2.272 ms 1.992 ms 6 130.225.244.42 (130.225.244.42) 2.903 ms 2.698 ms 2.471 ms 7 FNET.dk-gw7000.router.darenet.dk (130.225.244.237) 3.707 ms 4.471 ms ... 8 e-gw.nordu.net (193.10.252.93) 13.948 ms 13.429 ms 13.473 ms 9 sw-gw.nordu.net (193.10.252.211) 13.598 ms 14.090 ms 13.657 ms 10 us-gw2.nordu.net (193.10.252.186) 106.789 ms 106.434 ms 106.431 ms 11 if-6-0.core1.NewYork.Teleglobe.net (207.45.202.21) 106.827 ms 107.528... 12 if-2-0.core1.Chicago3.Teleglobe.net (207.45.222.210) 123.020 ms 123.1... 13 if-5-0-0.bb1.Chicago2.Teleglobe.net (207.45.222.214) 249.375 ms 276.0... 14 500.Serial0-1-1.GW4.CHI6.ALTER.NET (157.130.22.169) 131.355 ms 131.15... 15 115.ATM2-0.XR2.CHI6.ALTER.NET (146.188.209.150) 130.720 ms 130.287 ms... 16 190.at-2-1-0.TR2.CHI2.ALTER.NET (152.63.65.110) 133.521 ms 131.232 ms... 17 126.at-5-1-0.TR2.ATL5.ALTER.NET (152.63.0.213) 176.711 ms 176.886 ms ... 18 296.ATM5-0.XR2.ATL1.ALTER.NET (152.63.81.45) 189.877 ms 190.402 ms 1... 19 194.ATM5-0.GW6.ATL3.ALTER.NET (146.188.233.221) 178.322 ms 178.223 ms... 20 bs-stonemountain-gw.customer.alter.net (157.130.72.54) 179.408 ms 179... 21 205.152.37.222 (205.152.37.222) 179.608 ms 179.559 ms 179.683 ms 22 209.215.193.130 (209.215.193.130) 178.923 ms * 178.461 ms So there are 23 hops from www.ldraw.org to your machine (22 to the router + 1), but 33 hops from your machine to www.ldraw.org. Annoying. > > Any assistance would be greatly appreciated. Indeed. An ugly fix could be to set up your browser to use an HTTP proxy placed slightly closer to www.ldraw.org than your own machine. Play well, Jacob ------------------------------------------------------------ -- E-mail: sparre@cats.nbi.dk -- -- Web...: <URL: http://hugin.ldraw.org/LEGO/Biler/ > -- ------------------------------------------------------------

Message has 2 Replies:

		Re: I cannot connect to LDRAW.ORG - plz help!!!
"Jacob Sparre Andersen" <sparre@sys-323.risoe.dk> wrote in message news:FzMpLH.K8A@lugnet.com... (...) I have run a tracert from my machine here and there are 32 hops to www.ldraw.org, but I can pull the pages up fine. I don't have my browser using (...) (24 years ago, 6-Sep-00, to lugnet.off-topic.geek, lugnet.cad.dev.org.ldraw)

		Re: I cannot connect to LDRAW.ORG - plz help!!!
"Jacob Sparre Andersen" <sparre@sys-323.risoe.dk> wrote in message news:FzMpLH.K8A@lugnet.com... (...) Jacob, there is a problem with your tracert - if you compare it to Frank's tracert and my own you'll see that the packets take different paths (...) (24 years ago, 7-Sep-00, to lugnet.off-topic.geek, lugnet.cad.dev.org.ldraw)

Message is in Reply To:

		Re: I cannot connect to LDRAW.ORG - plz help!!!
I wonder if it's just too many hops? I can get there, takes me 29 hops... Isn't the default TTL for tcp/ip set for 30? Dan (...) (24 years ago, 20-Aug-00, to lugnet.off-topic.geek, lugnet.cad.dev.org.ldraw)

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