North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: MCI and SprintLink are partitioned (fwd)

  • From: Enke Chen
  • Date: Wed Oct 04 16:00:32 1995

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 <[email protected]>
> To:      [email protected] (Enke Chen)
> CC:      [email protected], [email protected], [email protected]

> 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 ([email protected])
> 
> >
> >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?
> >>
> >>********************************************************************
> >>Gordon Cook, Editor & Publisher       Subscript.: Individ-ascii  $85
> >>The COOK Report on Internet                Non Profit.          $150
> >>431 Greenway Ave, Ewing, NJ 08618          Small Corp & Gov't   $200
> >>(609) 882-2572                             Corporate            $350
> >>Internet: [email protected]              Corporate. Site Lic  $650
> >>http://www.netaxs.com/~cook <- Subscription Info & COOK Report Index
> >>********************************************************************
> >
> >>---------- Forwarded message ----------
> >>To: [email protected]
> >>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 <[email protected]>
> >>Message-Id: <[email protected]>
> >>Subject: MCI and SprintLink are partitioned
> >>To: [email protected]
> >>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 ([email protected])
> >
> 
> 
>