Routing Fundamentals Flashcards
What is routing?
The process of forwarding packets between networks.
What are the general rules of routing?
- Routers will only use routes with reachable next hops
- Routers will only use the best route
- Routes must be believable and still active
- Router will only accept routes that match it’s own active protocols
What is a connected route?
The router has a network on it’s interface and is able to figure out what network is on the cable that’s connected to the interface
What is a Static route?
A route that is manually setup within the router.
What is a Dynamic Route?
A route that was learned through one of the routing protocols
What is administrative distance?
The feature that routers use in order to select the best path when there are two or more different routes to the same destination from two different routing protocols also defines the reliability of a routing protocol
What is the administrative distance range?
0-255
What is the connected protocol administrative distance?
0
What is the static route protocol administrative distance?
1
What is the EIRGP(internal) protocol administrative distance?
90
What is the OSPF protocol administrative distance?
110
What is the IS-IS protocol administrative distance?
115
What is the RIP protocol administrative distance?
120
What is the EIRGP(EXTERNAL) protocol administrative distance?
170
What is the IBGP/EBGP protocol administrative distance?
200/20