Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide

Static Routes with No Competing Routes

First, if the configured route has no competing routes, the router still checks a few rules before adding the route to its IP routing table. First, assume that the static route in question has no competition—that is, the routing protocol has not learned any routes for that exact same subnet, and no other static routes exist for that exact same subnet. Even with no competition, IOS considers the following before adding the route to its routing table:

For ip route commands that list an outgoing interface, that interface must be in an up/up state.

For ip route commands that list a next-hop IP address, the ...