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I can't understand why I see this

$ ping aaa.aaa.aaa.aaa PING aaa.aaa.aaa.aaa (aaa.aaa.aaa.aaa) 56(84) bytes of data. From bbb.bbb.bbb.bbb icmp_seq=1 Time to live exceeded From bbb.bbb.bbb.bbb icmp_seq=2 Time to live exceeded From bbb.bbb.bbb.bbb icmp_seq=3 Time to live exceeded

There bbb.bbb.bbb.bbb from my ISP range.

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  • When Are ICMP Redirects Sent?
    – DavidPostill ♦
    Commented Apr 7, 2015 at 12:00
  • This doesn't seem to be a ping from windows. Given that even routers can ping using the command ping, from where are you pinging? We need a bit more information.
    – LPChip
    Commented Apr 7, 2015 at 12:09

1 Answer 1

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Each time you ping (well any network traffic really) you go across a number of 'hops'. Each hop reduces the TTL you will see in your ping results (of a successful ping) if this TTL reaches 0 the TTL will be exceeded such as what your seeing in your results.

This is normally caused by a loop in the network so the response you are getting is from the last hop that it got too before the TTL hit 0.

If your run a tracert to that location you can see the last hop the trace hits before it fails/loops.

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