Issue with WiFi signals - erratic ping time

Hi,

I am facing bit of an issue with my WiFi routers. Let me explain the setup here:

DSL (8 mbps)
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WiFi Router 1 (W1) @ 1st Floor (My service provider's DSL Router) (192.168.5.1)
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LAN
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WiFi Router 2 (W2) @ Ground Floor (TP-Link WR940N) (192.168.5.2)

DHCP runs on W1, which is connected to DSL connection. DHCP has been turned off on W2. The LAN cable connects the LAN port on W1 to Lan port on W2. This configuration allows me to use W2 as AP only. The SSID on both W1 and...

Issue with WiFi signals - erratic ping time