[dx034]

SBG was a power failure, followed by a generator failure. Not sure if they set up their network infrastructure in a way that this could spread but I find it hard to imagine that the outage in SBG triggered RBX going completely black. Unless of course they store their configuration files in SBG.

[blattimwind]

It seems RBX was an unrelated failure corrupting the router configuration (@olesovhcom).

SBG going down due to a quadruple power failure (both grid connections and both generators) is quite spectacular.