I have 2 netgear routers "WGR614 v6" and "WNR2000". How to set these up (one as a repeater) to get wireless access throughout my large house?
The WNR2000 is capable of being a repeater the WGR614 v6 is not. So you you will use the WGR614 v6 as you main access point and set the MAC Address of that router in the wizard section mentioned below.
For the WNR2000 you need to make the adjustments on this screen: