Gateway down?

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2 posts Page 1 of 1
by Guest » Mon Apr 09, 2012 8:30 am
I cannot reach my IP address (in the 173.228.91.xxx block) from work:

7 44 44 46 69.22.143.166 ae1-70g.cr1.pao1.us.nlayer.net

8 46 46 47 69.22.153.17 ae1-50g.ar1.pao1.us.nlayer.net

9 43 43 43 69.22.130.86 as7065.xe-1-0-6.ar1.pao1.us.nlayer.net

10 43 43 43 69.12.211.6 tengig4-3.cr1.lsatca11.sonic.net

11 44 46 44 70.36.243.82 gig1-1-1.gw.snvaca01.sonic.net

12 Timed out Timed out Timed out -

13 Timed out Timed out Timed out -
by thulsa_doom » Mon Apr 09, 2012 11:36 am
I just attempted to traceroute to a handful of random IP addresses in the same class C as you, and was able to get through to at least one. Failing after the gig1-1-1.gw.snvaca01.sonic.net indicates to me that the target IP isn't responding to traceroute.

One that responds to ICMP echo requests:

Code: Select all

$ mtr -c 10 -r 173.228.91.XXX
HOST                                    LOSS  RCVD SENT    BEST     AVG   WORST
<snip>
2.ge-2-1-0.gw.sr.sonic.net                0%    10   10    0.36    0.44    0.77
265.ge-7-1-0.gw.pao1.sonic.net            0%    10   10    2.71    4.16   10.71
tengig4-3.cr1.lsatca11.sonic.net          0%    10   10    3.09    3.21    3.71
gig1-1-1.gw.snvaca01.sonic.net            0%    10   10    3.50    4.87    7.02
173-228-91-XXX.dsl.dynamic.sonic.net      0%    10   10   23.93   24.75   26.10
One that doesn't:

Code: Select all

$ mtr -c 10 -r 173.228.91.YYY
HOST                                    LOSS  RCVD SENT    BEST     AVG   WORST
<snip>
2.ge-2-1-0.gw.sr.sonic.net                0%    10   10    0.36    0.40    0.49
265.ge-7-1-0.gw.pao1.sonic.net            0%    10   10    2.72    2.79    2.90
tengig4-3.cr1.lsatca11.sonic.net          0%    10   10    3.02    3.18    3.75
gig1-1-1.gw.snvaca01.sonic.net           50%     5   10    3.87    4.78    5.49
???                                     100%     0   10    0.00    0.00    0.00
John Fitzgerald
Sonic Technical Support
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