IPアドレスをpingできますが、tracerouteできません。これはどうやってできるの?
[USERNAME@HOSTNAME ~]$ ping CENSORED.CENSORED
PING CENSORED.CENSORED (CENSORED) 56(84) bytes of data.
64 bytes from CENSORED.CENSORED (CENSORED): icmp_req=1 ttl=49 time=52.8 ms
64 bytes from CENSORED.CENSORED (CENSORED): icmp_req=2 ttl=49 time=49.4 ms
64 bytes from CENSORED.CENSORED (CENSORED): icmp_req=3 ttl=49 time=49.2 ms
64 bytes from CENSORED.CENSORED (CENSORED): icmp_req=4 ttl=49 time=50.4 ms
^C
--- CENSORED.CENSORED ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3003ms
rtt min/avg/max/mdev = 49.276/50.494/52.804/1.401 ms
[USERNAME@HOSTNAME ~]$
[USERNAME@HOSTNAME ~]$ traceroute CENSORED.CENSORED
traceroute to CENSORED.CENSORED (CENSORED), 30 hops max, 60 byte packets
1 CENSORED (CENSORED) 5.733 ms 6.000 ms 5.977 ms
2 CENSORED (CENSORED) 0.428 ms 0.417 ms 0.393 ms
3 CENSORED (CENSORED) 1.726 ms 1.718 ms 1.682 ms
4 CENSORED (CENSORED) 26.699 ms 26.693 ms 26.670 ms
5 CENSORED (CENSORED) 27.785 ms 27.769 ms 27.746 ms
6 * * *
7 * * *
8 * * *
9 * * *
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11 * * *
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15 * * *
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17 * * *
18 * * *
19 * * *
20 * * *
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24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
[USERNAME@HOSTNAME ~]$
CENSORED
traceroute の5番目のIPアドレスは、「ping CENSORED.CENSORED」と同じではありません。