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I have been running a Linksys E2000 wireless N router flashed with DD-WRT for about a year now with ATT uverse DSL. I have filled all the ports on the router and needed to add a switch. I bought a TRENDnet TEG-S80G Switch 8-Port Gigabit GREENnet 10/100/1000Mbps 8 x RJ45 8K MAC Address Table 128KBytes Buffer Memory from new egg and connected one of the ports from the router to the 1 slot on the switch. I get lights on the switch but then nothing could connect to the internet through the router or switch. Also the router would not pull an IP from the dsl modem anymore. I tried hooking a laptop up to the modem directly and no problem pulled an IP right away. I then disconnected the switch and almost right away the router pulled an IP and everything was back online. I was wondering what I am doing wrong if someone could help me out I would greatly appreciate it.