floodgate付近でパケロスしてるっぽい
u-tokyoまでは安定している。
$ ping -c 100 wdoor.c.u-tokyo.ac.jp PING tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235) 56(84) bytes of data. 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=1 ttl=52 time=1017 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=4 ttl=52 time=820 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=5 ttl=52 time=761 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=6 ttl=52 time=985 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=7 ttl=52 time=434 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=9 ttl=52 time=824 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=10 ttl=52 time=361 ms
64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=90 ttl=52 time=432 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=91 ttl=52 time=1081 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=93 ttl=52 time=121 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=94 ttl=52 time=153 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=96 ttl=52 time=700 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=97 ttl=52 time=1584 ms 64 bytes from tt.tanaka.ecc.u-tokyo.ac.jp (133.11.45.235): icmp_seq=100 ttl=52 time=529 ms --- tt.tanaka.ecc.u-tokyo.ac.jp ping statistics --- 100 packets transmitted, 64 received, 36% packet loss, time 104123ms rtt min/avg/max/mdev = 59.501/878.729/2541.607/553.064 ms, pipe 3