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Building Home Network - Avoiding IGMP Flooding

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Cheers all! I know this will show up as my first post. Apparently my account from way back has been deleted or removed. Either way this is not my first post on DSLReports but it has been a long time. I'm turning to you guys to vet my network design idea and make sure I'm not overlooking anything. My overall goal is to move all Uverse Multicast IPTV traffic to its own broadcast domain and secure my internal network against IGMP packet floods. I'm also looking to create a private and public WiFi access point using multiple SSID's in order to secure my LAN against unknown traffic from friends. Who knows where they're laptops have been! :D First, my list of equipment. Uverse Equipment 1x Pace Uverse Residential Gateway 1x Uverse DVR 2x Uverse STB's 2x Uverse Wireless STB's 1x Uverse Wireless IPTV transmitter Computer Equipment 1x Windows Based Desktop 1x Mac iMac 1x Dell Color Laser Printer 1x QNAP TS-421 NAS w/ dual Ethernet connections Media Devices 1x PS3 1x X-Box 360 3x Western Digital TV Live! Media Players 1x Oppo BluRay Player 1x LG BluRay Player 1x Panasonic SmartTV So there's the list of devices I want to connect. My overall goals are to prevent IGMP traffic flooding on my LAN, distribute HD Video from my NAS to the Western Digital TV Live boxes, and to create a WiFi hot spot for my friends isolated from my LAN. Here's the equipment I'm considering. Netgear JGS524E Switch Netgear WNR3500L-100NAS Wireless Router My idea was to create two additional VLAN's beyond the Native. VLAN 10 and 20 for simplicity sake and disable wireless on the residential gateway. VLAN 10 would be used only for the Uverse IGMP traffic and have nothing but the Uverse STB's and the Uverse Wireless IPTV adapter connected to it. This would have an Ethernet backhaul to the residential gateway. VLAN 20 would be used for local area network traffic. This would allow me to create a separate broadcast domain for the DLNA network traffic from the NAS to the WD TV Live boxes and allow HD video streaming. Connected between VLAN 20 on the switch and the residential gateway would be the Netgear WNR3500L router. This router would have two SSID's. SSID Alpha would be used for my personal use and SSID Beta would be used as a guest WiFi hotspot. This should allow me to connect to VLAN 20 wirelessly without getting hit with the IGMP multicast as well as allow guests to connect only to the residential gateway without being able to access VLAN 20. Is this design solid? Am I missing anything?

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