I have 2 routers, R1 is a 3725 & R2 is a cisco 2651XM. Dual HSRP is set up between both and those ip addresses are x.x.x.1 & x.x.x.2. The basic set up of the interfaces looks like this.R1interface FastEthernet0/1 ip address x.x.x.3 255.255.255.0 st...