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I recently installed an AC1900 replacing an older router, the AC1900 works GREAT!! The old router had a wireless bridge connected to attach wired devices (TV, PS3 etc) downstairs. Unfortunately, the old bridge will not connect to the AC1900.
I need to reconnect the network downstairs to include multiple wired ethernet devices. Can I add an AC1200 Access point to connect to the AC1900 wirelessly and then add a 8 port ethernet switch to the AC1200 via the ethernet port, in CLIENT mode to attach my wired devices?

Thanks in advance.
Bob