Hi, On Tue, Jan 18, 2011 at 09:52:16AM -0800, Jay Hennigan wrote: > Reconnected to Verizon mux and everything came back up nice and happy. > That's what is bugging me. Circuit has been running fine for months.
We've seen that on E3s and T3s as well - seems "sometimes" the stuff
just de-syncs, and physically unplugging the cables helps getting it
to re-sync. Highly annoying.
(Especially if Telco techs show up, look at your cabling, and claim
"these cables are no good quality!", and go on to demonstrate their
wisdom by unplugging/replugging the "bad cable" - and voila! the link
is back, confirming their "wisdom"...)
And no, I have not found a proper technical explanation yet - but it
doesn't bother us very much as it happens quite infrequently, and we're
using less and less E3/T3 lines. 100M Ethernet links can be had for
roughly the same price, the gear is MUUUUCH cheaper, and the weird
effects are gone as well...
(Now, STM-1/OC-3 and up are a different thing - "proper" data links,
proper syncing and fault monitoring, etc. - but still the gear is way
expensive...)
gert
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Gert Doering - Munich, Germany [email protected]
fax: +49-89-35655025 [email protected]
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