[70730] in North American Network Operators' Group
RE: Spring time fiber cuts (was Re: fiber cut 19 May/PM -> 20 May/AM) (fwd)
daemon@ATHENA.MIT.EDU (McBurnett, Jim)
Sun May 23 23:21:17 2004
Date: Sun, 23 May 2004 23:20:36 -0400
From: "McBurnett, Jim" <jmcburnett@msmgmt.com>
To: <nanog@merit.edu>
Errors-To: owner-nanog-outgoing@merit.edu
> ..and you can deploy SONET without a protect.=20
-and telcos usually do. but they almost always tell you it's protected.
-force them to test, or pull one side yourself. and repeat the test =
every
-quarter.
-randy
And if you find it is on a fiber mux-- DDM 1000, good luck..
a few years ago I spent at least 20-30 hours trouble shooting
4 t-1's to customers on a "redundant mux" going to =20
an older but large business park.
They seem to all drop within 5 minutes of each other.
Bell claimed it to be us.
long story short-- the protect was broken and we found out it had been =
so for=20
months. all the data circuits (22 of em) seemed to experience=20
4-5 seconds are strangness daily... and the 1 voice customer on that =
OC-3
went to POTS because of the problems.....
Moral of the story--
Having a SONET ring, a protect, and all manner of things, may not =
really=20
help.... Unless it really and truly does work....=20
J
