Routing

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  • 1.  traceroute output

    Posted 02-28-2017 08:24

    Hi All,

     

    Anyone know what the "!<10>" means in the output of this traceroute command?

     

    xxx@xxx# run traceroute 194.168.8.100
    traceroute to 194.168.8.100 (194.168.8.100), 30 hops max, 52 byte packets
    1 * * *
    2 * * *
    3 10.20.30.1 (10.20.30.1) 0.678 ms 0.521 ms 0.511 ms
    4 cache2.service.xxxx.net (194.168.8.100) 0.498 ms !<10> 1.027 ms !<10> 0.857 ms !<10>

     

    TIA

     



  • 2.  RE: traceroute output
    Best Answer

    Posted 02-28-2017 08:37

    Hello there,

     

    https://www.freebsd.org/cgi/man.cgi?query=traceroute 

     

     !<num>	 ICMP unreachable code <num>.

    And ICMP type 3 (Type 3 is for Dest.Unreach) code 10 is 

    https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xhtml#icmp-parameters-codes-3

     

    10	Communication with Destination Host is Administratively Prohibited	[RFC1122]

    HTH

    Thx

    Alex



  • 3.  RE: traceroute output

    Posted 02-28-2017 08:40

    Thanks Alex