Just finished configuring a Cisco 881 IOS Router with Comcast and Dynamic IP address. Sharing my configuration experience and steps for the Cisco router. Requirement: I just needed the Cisco 881 Router connected to the Comcast modem so that computers connected to the Cisco 881 router can access the network and the Internet. Picture below shows you the connectivity diagram for my local network. Keeping the above connectivity requirements I configured the Cisco 881 Router like…