Dear: All,We have two offices : BO1 and BO2 with same range IP addresses.Task: i would like to configure Site to Site VPN or (DMVPN)  through these offices.Obstacle: We can not change Private IP addresses of these offices, therefore we will have IP o...

I have two routers 1921 and 2901 and both of them are connecting to one Reliable Internet Line from one ISP. 1921 master router and 2901 as a Slave. this is my question, how i can make a Backup DHCP Sever in 2901 as a same IP address generation?Examp...