[SlugLUG] Latency Issues On Campus ResNet

squid squid at csumb.edu
Sat Nov 4 14:39:01 PST 2006


I'm seeing some jumpy packets from the same backbone as you guys but overall looks good.. Sounds like something local..

traceroute to ucsc.edu (128.114.124.7), 30 hops max, 38 byte packets
 1  mty-ge-43core (198.189.237.1)  0.256 ms  0.205 ms  0.200 ms
 2  mty-ge-11-6509-dist (172.16.100.81)  0.257 ms  0.216 ms  0.209 ms
 3  mty-ge-41-corea  (172.16.100.1)  0.247 ms  0.224 ms  0.229 ms
 4  mty-edgez0r-ge-c6506 (198.189.249.254)  0.584 ms  0.552 ms  0.549 ms
 5  dc-sol-dc1--csumb-egm.cenic.net (137.164.23.101)  1.384 ms  1.358 ms  1.317 ms
 6  dc-svl-dc1--sol-dc1-pos.cenic.net (137.164.22.29)  3.048 ms  2.995 ms  3.056 ms
 7  ucsc--svl-dc1-egm.cenic.net (137.164.24.130)  5.219 ms  4.972 ms  4.981 ms
 8  comm-g-GE3-5.ucsc.edu (128.114.0.214)  152.985 ms  203.662 ms  204.744 ms
 9  secure2-g-g1-0-25.ucsc.edu (128.114.101.146)  5.168 ms  5.216 ms  5.148 ms
10  fw-dc1.ucsc.edu (128.114.102.2)  17.180 ms  18.883 ms  20.065 ms
11  ucsc.edu (128.114.124.7)  16.808 ms  11.939 ms  15.593 ms

[cartman at chia ~]$ ping ucsc.edu
PING ucsc.edu (128.114.124.7) 56(84) bytes of data.
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=0 ttl=118 time=15.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=1 ttl=118 time=18.0 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=2 ttl=118 time=18.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=3 ttl=118 time=19.4 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=4 ttl=118 time=16.6 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=5 ttl=118 time=18.7 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=6 ttl=118 time=17.3 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=7 ttl=118 time=15.9 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=8 ttl=118 time=15.8 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=9 ttl=118 time=15.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=10 ttl=118 time=16.6 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=11 ttl=118 time=19.2 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=12 ttl=118 time=13.1 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=13 ttl=118 time=13.6 ms
64 bytes from ucsc.edu (128.114.124.7): icmp_seq=14 ttl=118 time=16.3 ms
--- ucsc.edu ping statistics ---
46 packets transmitted, 46 received, 0% packet loss, time 45119ms
rtt min/avg/max/mdev = 12.262/17.079/20.072/2.062 ms, pipe 2


-paul
paul at csumb.edu



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