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CenturyLink RCA?

On 12/31/18, Aaron1 <aaron1 at gvtc.com> wrote:
> Yeah, could have been one of those...gone from bad to worse things like Dave
> mentioned... initial problem and course of action perhaps led to a worse
> problem.
>
> Iâ??ve had DWDM issues that have taken down multiple locations far apart from
> each other due to how the transport guys hauled stuff
>
> A few years back I had about 15 routers all reboot suddenly... they were all
> far apart from each other, turned out to be one of the dual bgp sessions to
> rr cluster flapped and all 15 routers crash rebooted.
>
> But ~50 hours of downtime !?

It could have been worse:
  https://www.cio.com.au/article/65115/all_systems_down/