[SlugLUG] Latency Issues On Campus ResNet
Rohan Sheth
ronashet at ucsc.edu
Fri Nov 3 21:05:25 PST 2006
Why does resnet seem slow? (pokes booloo and those other guys who read
the list...)
rohan at rohan-laptop:~$ ping -c 100 ucsc.edu > pingtest.txt
rohan at rohan-laptop:~$ date >> pingtest.txt
PING ucsc.edu (128.114.124.7) 56(84) bytes of data.
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=1 ttl=123 time=2.81 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=2 ttl=123 time=62.5 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=3 ttl=123 time=43.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=4 ttl=123 time=2.44 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=5 ttl=123 time=2.46 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=6 ttl=123 time=2.24 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=7 ttl=123 time=62.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=8 ttl=123 time=12.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=9 ttl=123 time=2.60 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=10 ttl=123 time=59.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=11 ttl=123 time=2.49 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=12 ttl=123 time=40.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=13 ttl=123 time=2.67 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=14 ttl=123 time=2.38 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=15 ttl=123 time=41.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=16 ttl=123 time=21.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=17 ttl=123 time=21.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=18 ttl=123 time=4.14 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=19 ttl=123 time=59.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=20 ttl=123 time=2.46 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=21 ttl=123 time=25.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=22 ttl=123 time=2.61 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=23 ttl=123 time=54.7 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=24 ttl=123 time=27.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=25 ttl=123 time=2.52 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=26 ttl=123 time=2.52 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=27 ttl=123 time=36.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=28 ttl=123 time=2.66 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=29 ttl=123 time=3.05 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=30 ttl=123 time=66.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=31 ttl=123 time=39.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=32 ttl=123 time=2.70 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=33 ttl=123 time=16.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=34 ttl=123 time=2.68 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=35 ttl=123 time=27.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=36 ttl=123 time=2.56 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=37 ttl=123 time=2.66 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=38 ttl=123 time=38.9 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=39 ttl=123 time=16.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=40 ttl=123 time=17.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=41 ttl=123 time=2.59 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=42 ttl=123 time=44.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=43 ttl=123 time=128 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=44 ttl=123 time=27.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=45 ttl=123 time=106 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=46 ttl=123 time=6.59 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=47 ttl=123 time=84.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=48 ttl=123 time=39.9 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=49 ttl=123 time=2.58 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=50 ttl=123 time=2.72 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=51 ttl=123 time=91.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=52 ttl=123 time=32.5 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=53 ttl=123 time=2.38 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=54 ttl=123 time=2.92 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=55 ttl=123 time=56.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=56 ttl=123 time=2.36 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=57 ttl=123 time=3.70 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=58 ttl=123 time=51.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=59 ttl=123 time=21.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=60 ttl=123 time=28.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=61 ttl=123 time=2.66 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=62 ttl=123 time=61.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=63 ttl=123 time=29.7 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=64 ttl=123 time=17.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=65 ttl=123 time=2.47 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=66 ttl=123 time=2.55 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=67 ttl=123 time=129 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=68 ttl=123 time=18.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=69 ttl=123 time=2.46 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=70 ttl=123 time=2.76 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=71 ttl=123 time=59.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=72 ttl=123 time=39.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=73 ttl=123 time=2.33 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=74 ttl=123 time=2.58 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=75 ttl=123 time=37.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=76 ttl=123 time=51.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=77 ttl=123 time=48.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=78 ttl=123 time=41.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=79 ttl=123 time=2.48 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=80 ttl=123 time=2.77 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=81 ttl=123 time=25.5 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=82 ttl=123 time=2.59 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=83 ttl=123 time=2.46 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=84 ttl=123 time=2.62 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=85 ttl=123 time=24.9 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=86 ttl=123 time=16.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=87 ttl=123 time=2.59 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=88 ttl=123 time=44.6 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=89 ttl=123 time=24.5 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=90 ttl=123 time=2.61 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=91 ttl=123 time=43.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=92 ttl=123 time=5.49 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=93 ttl=123 time=2.32 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=94 ttl=123 time=9.84 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=95 ttl=123 time=2.68 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=96 ttl=123 time=2.74 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=97 ttl=123 time=55.5 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=98 ttl=123 time=24.7 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=99 ttl=123 time=2.42 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=100 ttl=123 time=5.40
ms
--- ucsc.edu ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99081ms
rtt min/avg/max/mdev = 2.240/24.378/129.587/27.871 ms
Fri Nov 3 21:00:56 PST 2006
--Rohan
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