nanog mailing list archives

Re: trouble in Sprint land?


From: "Steven M. Bellovin" <smb () research att com>
Date: Mon, 17 Jul 2000 14:13:22 -0400


Steve Bellovin writes:
What is going on here?  I've seen similar delays -- i.e., over 4 
seconds -- for several days now, though only during the day.  It's also 
not just the routers being slow about pings; round-trip to the 
destination (www.law.cornell.edu, in this case) is over 5 seconds:

I managed to delete the traceroute from my note.  From other replies, 
it seems to affect folks who are going through UUnet to Sprint:

traceroute to www.law.cornell.edu (128.253.22.200) from sigaba.research.att.com (135.207.23.169), 40 hops max, 40 byte 
packets
 1  oden.research.att.com (135.207.31.1)  0.511 ms  0.545 ms  0.507 ms
 2  opsec.research.att.com (135.207.1.2)  1.321 ms  1.178 ms  1.316 ms
 3  192.20.225.225 (192.20.225.225)  3.429 ms  2.472 ms  3.297 ms
 4  Serial1-1-1.GW1.EWR1.ALTER.NET (157.130.0.177)  9.495 ms  7.279 ms  29.985 ms
 5  113.ATM2-0.XR1.EWR1.ALTER.NET (146.188.176.34)  10.142 ms  5.166 ms  3.784 ms
 6  193.ATM7-0.XR1.NYC4.ALTER.NET (146.188.178.53)  5.283 ms  6.269 ms  4.283 ms
 7  189.ATM11-0-0.BR1.NYC4.ALTER.NET (146.188.177.189)  71.224 ms  10.384 ms  200.119 ms
 8  137.39.23.146 (137.39.23.146)  10.799 ms  5.844 ms  5.543 ms
 9  sl-bb10-nyc-2-3-155M.sprintlink.net (144.232.8.221)  6.910 ms  6.153 ms  7.388 ms
10  sl-bb22-rly-13-0.sprintlink.net (144.232.9.226)  853.712 ms  861.250 ms  888.238 ms
11  sl-gw9-rly-9-0.sprintlink.net (144.232.7.254)  4891.870 ms  4958.808 ms *


                --Steve Bellovin





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