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Routing Protocols and Concepts - Ch 4
Cisco's - Routing Protocols and Concepts Chapter 4
7
Computer Networking
Undergraduate 2
08/16/2011

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Term
RIP
Metric ---
Maximum Metric --
Routing updates happen how often
Definition
Metric used is hops
Maximum hop count is 15
Routing updates happen every 30 seconds over broadcast or multicast (by default)
Term
IGRP
Metric ---
Routing updates happen --
Definition
Metric -- Bandwidth, delay, load, reliability
Routing updates happen every 90 seconds broadcast
Term
What is one key characteristic that seperates a distance vector protocol from a link state protocol?
Definition
Routers using distance vector protocols are not aware of the network topology.
Term
What does split horizon do?
Definition
Prevents routing information updates from being sent out the same interface from which they arrived.
Term
EIGRP uses what type of updates
Definition
Bounded updates
Term
Bounded updates have what three qualities
Definition
Nonperiodic
Partial
Only the routers that need the information are updated
Term
Three routers running a distance-vector routing protocol lost all power, including the battery backups. When the routers reload, what will happen?
Definition
They will send updates that include only directly connected routes to their directly connected neighbors.
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