Re: Starnge output on traceroute

From: John Loop (jdloop_at_remove.bellsouth.net)
Date: 07/14/04 

Date: Wed, 14 Jul 2004 07:53:56 -0400

"ed" <ed@gurski.com> wrote in message
news:pan.2004.07.14.01.21.55.934133@gurski.com...
> I recently installed IPCOP and everything was working fine.Then suddenly I
could not send mail,
> but I could receive mail. Thinking that my ISP was having problems I ran
> a traceroute and noticed that the first hop was to 10.1.7.1 (from my
> firewall through a linksys router)
>
> traceroute linuxquestions.org
> traceroute to linuxquestions.org (64.179.4.149), 30 hops max, 38 byte
packets
> 1 10.1.7.1 (10.1.7.1) 13.998 ms 17.040 ms 15.480 ms
> 2 at-5-2-0-1716.core-rtr1.res.verizon-gni.net (130.81.11.25) 16.259 ms
14.790 ms 16.211 ms
> 3 so-0-1-0-0.bb-rtr1.res.verizon-gni.net (130.81.9.37) 24.734 ms 24.582 ms
17.678 ms
> 4 so-6-0-0-0.peer-rtr1.ash.verizon-gni.net (130.81.10.90) 16.827 ms 15.322
ms 15.708 ms
> 5 dcx-edge-02.inet.qwest.net (208.46.127.253) 15.793 ms 15.845 ms 15.455
ms
> 6 205.171.251.13 (205.171.251.13) 15.599 ms 16.623 ms 17.754 ms
> 7 dca-core-02.inet.qwest.net (205.171.8.221) 17.182 ms 18.559 ms 18.469 ms
> 8 ewr-core-03.inet.qwest.net (205.171.8.182) 24.766 ms 24.504 ms 23.550 ms
> MPLS Label=210418 CoS=4 TTL=1 S=1
> 9 ewr-core-02.inet.qwest.net (205.171.17.33) 23.913 ms 21.404 ms 21.062 ms
> MPLS Label=161934 CoS=4 TTL=1 S=1
> 10 chi-core-01.inet.qwest.net (205.171.8.229) 39.504 ms 41.455 ms 39.660
ms
> 11 chi-edge-09.inet.qwest.net (205.171.20.122) 39.948 ms 40.774 ms 42.606
ms
> 12 63.149.3.230 (63.149.3.230) 243.702 ms 230.545 ms 264.114 ms
> 13 atm6-5-978-pitb-isp-cisco.choiceone.net (66.202.102.254) 59.653 ms
60.239 ms 60.634 ms
> 14 web1.linuxquestions.org (64.179.4.149) 61.423 ms 61.049 ms 60.868 ms
>
>
> As you can see from above this is very strange!!!! The output from my
route command is:
>
> route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 10.25.241.0 * 255.255.255.0 U 0 0 0 eth1
> 10.25.240.0 * 255.255.255.0 U 0 0 0 eth0
> default 10.25.241.254 0.0.0.0 UG 0 0 0 eth1
>
>
> I have looked at resolv.conf and it only has my local host. The above
output was from my firewall.
> I am also including the output of route from one of my server going
> through the firewall along with a traceroute:
>
> route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 10.25.240.0 * 255.255.255.0 U 0 0 0 eth0
> 169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
> 127.0.0.0 * 255.0.0.0 U 0 0 0 lo
> default eagfw01s.egursk 0.0.0.0 UG 0 0 0 eth0
>
>
> traceroute to linuxquestions.org (64.179.4.149), 30 hops max, 38 byte
packets
> 1 eagfw01s.egurski.org (10.25.240.253) 0.317 ms 0.289 ms 0.267 ms
> 2 10.1.7.1 (10.1.7.1) 19.332 ms 17.690 ms 16.907 ms
> 3 at-5-2-0-1716.CORE-RTR1.RES.verizon-gni.net (130.81.11.25) 16.957 ms
17.282 ms 15.249 ms
> 4 so-0-1-0-0.BB-RTR1.RES.verizon-gni.net (130.81.9.37) 31.691 ms 47.488 ms
23.319 ms
> 5 so-6-0-0-0.PEER-RTR1.ASH.verizon-gni.net (130.81.10.90) 16.764 ms 15.127
ms 16.186 ms
> 6 dcx-edge-02.inet.qwest.net (208.46.127.253) 16.521 ms 17.733 ms 14.403
ms
> 7 205.171.251.13 (205.171.251.13) 16.082 ms 16.015 ms 15.133 ms
> 8 dca-core-02.inet.qwest.net (205.171.8.221) 17.018 ms 15.826 ms 15.619 ms
> 9 ewr-core-03.inet.qwest.net (205.171.8.182) 43.626 ms 35.475 ms 24.406 ms
> MPLS Label=210418 CoS=3 TTL=1 S=0
> 10 ewr-core-02.inet.qwest.net (205.171.17.33) 34.812 ms 24.956 ms 23.515
ms
> MPLS Label=161934 CoS=3 TTL=1 S=0
> 11 chi-core-01.inet.qwest.net (205.171.8.229) 42.645 ms 41.262 ms 43.091
ms
> 12 chi-edge-09.inet.qwest.net (205.171.20.122) 41.537 ms 44.573 ms 41.987
ms
> 13 63.149.3.230 (63.149.3.230) 59.993 ms 52.381 ms 56.023 ms
> 14 atm6-5-978-pitb-isp-cisco.choiceone.net (66.202.102.254) 59.661 ms
62.528 ms 60.009 ms
> 15 web1.linuxquestions.org (64.179.4.149) 58.639 ms 60.286 ms 60.311 ms
>
>
> Any suggestions???
>
> Thanks
> Ed

Not sure what your question is...... Looks OK. But I have never seen an
MPLS entry in a traceroute listing.
What traceroute are you running here......?
J--
www.pccitizen.com Safe Computing, Home wired and wireless networking tips.
...You spend your whole life figuring out what you should have done with it,
let alone what it was all about. And then your children get to do it all
over again..

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