I have a DG834v1 running standard Netgear firmware (not DGTeam). Today I stumbled upon
http://lookforitoverhere.com/128/enable-snmp-on-netgear-dg834g/ I've tried it and it works!
So in NetWorX I selected "Monitor my router rather than local traffic" - I had to select WAN interface LAN to see traffic and I could then see the traffic from my internet enabled TV.