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Ch06 - IP Routing Essentials
ENCOR 350 - 401
13
Computer Networking
Professional
09/16/2022

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Cards

Term
administrative distance
Definition
A rating of trustworthiness for a route. Generally it is associated with the routing process that installs the route into the RIB.
Term
directly attached static route
Definition
A static route that defines only the outbound interface for the next-hop device.
Term
distance vector routing protocol
Definition
A routing protocol that selects the best path based on next hop and hop count.
Term
enhanced distance vector routing protocol
Definition
A routing protocol that selects the best path based on next hop, hop count, and other metrics, such as bandwidth and delay.
Term
equal-cost multipathing
Definition
The installation of multiple best paths from the same routing protocol with the same metric that allows for load-balancing of traffic across the paths.
Term
floating static route
Definition
A static route with an elevated AD so that it is used only as a backup in the event that a routing protocol fails or a lower-AD static route is removed from the RIB.
Term
fully specified static route
Definition
A static route that specifies the next-hop IP address and the outbound interface.
Term
link-state routing protocol
Definition
A routing protocol that contains a complete view of the topology, where every router can calculate the best path based on its copy of the topology.
Term
path vector routing protocol
Definition
A routing protocol that selects the best path based on path attributes.
Term
prefix length
Definition
The number of leading binary bits in the subnet mask that are in the on position.
Term
recursive static route
Definition
A static route that specifies the next-hop IP address and requires the router to recursively locate the outbound interface for the next-hop device.
Term
static null route
Definition
A static route that specifies the virtual null interface as the next hop as a method of isolating traffic or preventing routing loops.
Term
unequal-cost load balancing
Definition
The installation of multiple paths that include backup paths from the same routing protocol. Performing this across the interface uses a traffic load in a ratio to the interface’s route metrics.
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