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[tonse42]

I recently switched from a DSL ISP (Earthlink, Zyxel modem configured as a bridge, pppoE connect) to a cable ISP (Comcast, Arris cable modem, dhcp connect). Basically PC --> DIR615-->Cable modem-->Internets.
With the old DSL the Internet activity LED (green, looks triangular) on the DIR615 blinked only when internet activity occurred. With the new Comcast connection it blinks non-stop about 5 times a second! Even if the PC is turned off it blinks. It stops blinking if I disconnect the ethernet cable between router and modem. The connection itself is fine, but if the DIR615 is doing something it should not be doing it might slow the connection down a bit, (or burn something out prematurely?)
FYI, the Arris cable modem does not seem to be a router. It takes a cable connection from outside and provides a single ethernet cable and 2 (voice) telephone cables to the house.
Thanks, Tonse.

[FurryNutz]

THe Arris Cable modem is a router/modem I believe. I bet if you look at the WAN statis and see the IP of the WAN side probably is a 192.168 address. I've had a buddy that had the same issue with his Arris modem and DGL-4500. Has since removed the Arris modem and gone with a modem only option.

Best thing I recommend checking to see if you can put the 615s IP address into the Aris DMG if it has one.

Seen alot of issues cropping up with these new VoIP modems and the use of external routers. Don't feel alone.