Re: MCI and SprintLink are partitioned (fwd)

[Enke Chen <enke () mci net>]

Chris, 
Thanks for the clarification.  I also did more checking. 
Westcoast sites that use the Mae-West to reach other ISPs 
were indeed affected by this outage. The SSE problem has been 
reported to our vendor and it is being actively pursued. 

-- Enke

> Date:    Wed, 4 Oct 1995 12:18:00 -0600 (MDT)
> From:    Chris Garner <cgarner () westnet net>
> To:      enke () mci net (Enke Chen)
> CC:      cook () cookreport com, nanog () merit edu, rw () mci net

> Enke,
>
>       I'd like to point out that the message below was sent
> to Westnet sites (Gordon Cook forwarded it to NANOG without taking
> the context into consideration).  From our perspective SprintLink 
> and MCI were in fact partitioned.  My customers probably don't care 
> that other SprintLink sites could get to MCI customers (except in
> the "gee this Internet thing is good for the world" sort of way).  
>
>       Last night about 7pm Mountain time we lost connectivitiy from
> one of our monitoring stations to all our "SprintLink only" sites.  This
> monitoring station uses MCI as it's NSP.  After doing some traces it
> was pretty clear that MCI was blackholing traffic that came from the
> Denver MCI POP headed to SprintLink sites.  It was bouncing around 
> between MCI's SF nodes.  The MCI NOC was in fact aware of the problem
> and told me it was at escalation level 4.  I was told this morning
> by the MCI NOC that MCI had an "SSE hang on a border router" and that
> a reset had fixed the problem.  MCI ticket #2778.
>
>       We regained connectivity at about 7:30pm, so it lasted just
> under half an hour for us.
>
>       I doubt the nanog list is the place for this though.
> -- 
>
>                                 -Chris (cgarner () westnet net)
>
> > Hi, 
> > Currently MCI peers with Sprintlink at four places: Mae-East,
> > Mae-West, New York NAP, and Chicago NAP, and these peers do 
> > backup each other.  I just checked the peer status a few 
> > minutes ago.  Here is what I found: 
> >
> > interconnect up time
> > Mae-East     6:06:45    (sheduled maintainence this morning)
> > Mae-West     3d04
> > NY NAP               4d20
> > Chicago NAP  1w6d
> >
> > Clearly this data does not support the remark that a 
> > partition (total loss of peers) happened between MCI and 
> > Sprint yesterday evening.  
> >
> >
> > -- Enke
> >
> > > Anyone willing to say what happened?
> > >
> > > ********************************************************************
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> > > ********************************************************************
> >
> > > ---------- Forwarded message ----------
> > > To: cook () cookreport com
> > > Subject: MCI and SprintLink are partitioned (fwd)
> > >
> > > Forwarded message:
> > > > From spot.Colorado.EDU!westnet-site-people-request Tue Oct  3 20:48:25 1995
> > > From: Chris Garner <cgarner () westnet net>
> > > Message-Id: <199510040136.TAA06094 () dozer colorado edu>
> > > Subject: MCI and SprintLink are partitioned
> > > To: westnet-site-people () westnet net
> > > Date: Tue, 3 Oct 1995 19:36:50 -0600 (MDT)
> > > X-Mailer: ELM [version 2.4 PL21]
> > > Content-Type: text
> > > Content-Length: 289       
> > >
> > >
> > >       MCI and SprintLink are disconnected at the moment.  MCI is
> > > having a BGP problem with SprintLink.  Currently the two networks 
> > > are partitioned.  The problem started just after 7pm (Mountain time)
> > > and is still occuring.
> > >
> > >
> > >                                -Chris (cgarner () westnet net)