Netgear MBR1200 - HSPA+ Mobile Broadband Wireless Router 사용자 설명서

Your computer might not have the router configured as its TCP/IP router.

If your computer obtains its information from the router by DHCP, reboot the computer, 
and verify the router address as described in the online document you can access from 
ITCP/IP Networking Basics 

 in Appendix B.