ARCInfiltration - Is this network setup impossible?

[capGrundy]

I've been reading around, and some folks are saying sometimes you get a setup on this mission that makes it impossible to finish. This seems like it may be one:

So it's router, hub, main server. Nowhere to go but up and down. Only one hop to catch me every time.

I'm about to quit playing (which I really don't want to do), so I'm hoping someone can tell me I'm wrong.