North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: MAE West
Yes, all 4 OC-3c circuits do terminate at the MFS Gigaswitch-01. It is a single point of failure, but the ckts must all be on the same switch in order to use the load-sharing feature. -Lance- On Fri, 11 Jul 1997, Rodney Joffe wrote: > Another Update from our guys... > > Power problems in the MFS facility caused the initial outage. Power has > been restored, but the Gigaswitch has lost it's configuration causing > all > peers to remain down. > > Based on some of the mail to this list, it is GIGA 1 at MAE West, 2 and > 3 are up. (Most of those complaining are on GIGA 1, Mathew at ACSI is on > GIGA 2 and thinks he's up. I can't reach him directly from NASA/Ames, so > my guess is that he is up, but can only see peers at GIGA 2 and 3 - see > next para...) > > By the way, to expand the thread, I have the feeling that the three > OC-3s from NASA Ames side to MFS all go to GIGA 1, which then has fddi > loops to GIGA 2 and then to GIGA 3. > > Does anyone know if this is the case? > > If it is, seems that a better design would have been to route some of > the OC-3s to the other GIGAs first. If 1 is down, then it can't pass > traffic through to 2 and 3, so there is a single point of failure for > all the switches at MFS. > > > Rodney Joffe > Chief Technology Officer > Genuity Inc., a Bechtel company > http://www.genuity.net > > > >
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