Problem setting up WNR614 as Wifi Repeater / Range Extender

Hi,

I have a Wifi ADSL2+ Modem (Beetel 450tc1) which I use to connect to my computer. Recently I have purchased a new Netgear
WNR614 Wifi Router and want to use as a range extender. I connected the netgear repeater to wifi modem with cable and
another cable from netgear router to computer. It opened routerlogin.net at the start.

In documentation it mentions that I should use same SSID, same channel, encryption method and same password in netgear
router. As soon as I put the repeater on same channel, my computer stops opening routerlogin.net and it gives page not
found error.

Also when router starts it gives message that "To avoid a conflict with your Internet Service Provider, your router's IP
address has been updated to 10.0.0.1". My modem IP address is 192.168.1.1. So when I try to change netgear router ip
address to 192.168.1.2, it is giving me error "The ip address conflict with the WAN IP subnet. Please enter a different ip
address. Invalid DHCP starting IP address".

When I remove the Use Router as DHCP server, it gives me error - "The ip address conflict with the WAN IP subnet. Please
enter a different ip address".

When I try to enable "Enable Wireless Repeating Function", it gives me erorr - "The wireless repeating function cannot be
used with Auto Channel". But when I change the Auto Channel to the same channel as of my modem (channel 1), my computer
stops opening routerlogin.net and I can't access the netgear router config settings any more. The only option I left with
is resetting the router.

Please help me.

Thanks