Try to set a static IP on my Cisco 2901 router, a static IP cannot meet the needs of I, after consulting the original supplier of fiber optic Spark, they don't offer much static IP service, so service providers Devoli opted for the fiber optic service, and bought them an additional four static IP package, but the static IP package them roughly, and before the static IP is not in a them roughly, is there anyone can also buy this static IP package friend, Could you tell me how to set up this more static IP in Cisco's 2901 route, thank you very much