Cisco CCNP / BSCI Exam Tutorial: Ten IP Routing Details You Must Know!
To pass the BSCI exam and earn your CCNP, you’ve got to keep a lot of details in mind. It’s easy to overlook the “simpler” protocols and services such as static routing and distance vector protocols. With this in mind, here’s a quick review of some details you should know for success in the exam room and real-world networks!
When packets need to be routed, the routing table is parsed for the longest prefix match if multiple paths exist with the same prefix length, the route with the lowest AD is preferred. If there are still multiple valid paths, equal-cost load-sharing goes into effect.
The ip route command is used to create static routes the command ip route 0.0.0.0 0.0.0.0 < next-hop-IP or local exit interface> creates a default static route.
A static route with a next-hop IP address has an AD of one, while a static route with a local exit interface has an AD of zero.
A floating static route is a static route with an AD higher than that of the dynamic routing protocols running on the router, ensuring that the static route can only be used...
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