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28 Cards in this Set

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A distance vector interior routing protocol.
Rest In Peace. Routing Information Protocol.
The Cisco distance vector interior routing protocol.
A link-state interior routing protocol
The advanced Cisco distance vector interior routing protocol.
A distance vector exterior routing protocol.
1.) Distance vector routing protocol.
2.)Hop count is used as the metric for path selection.
3.) If the hop count is greater than 15, the packet is discarded.
4.) Routing updates are broadcast every 30 seconds.
What is this?

1.) It is link-state routing protocol.
2.) It is an open standard routing protocol described in RFC 2328.
3.)The SPF algorithm is used to calculate the lowest cost to a destination.
4.) Routing updates are flooded as topology changes occur.
1.)It is an enhanced stiance vector routing protocol.
2.)It uses unequal cost load balancing.
3.)It uses a combination of distance vector and link-state features.
4.)It uses a Diffusing Update Algorithm (DUAL) to calculate shortest path.
5.)Routing updates are multicast ussing triggered by topology changes.
1.)It is a dstiance vector exterior routing protocol.
2.)It is used between ISPs or ISPs and clients.
3.)It is used to route internet traffic between autonomous systems.
Uses a programmed route that a network administrator enters into the router.
Static Routing
You do the routing.
Uses a route that routing protocol adjusts automatically for topology or traffic changes.
Dynamic Routing
Routes by itself.
Static Route Operations. 3 Parts:
1.)Network administrator configures the route.
2.) Router installs the route in the routing table.
3.)The static route is used to route packets.
An administrator must use the ___________ command to manually configure a static route.
ip route
Default routes are used to _________.
Route Packets
Routing Protocol
Communication used between routers. Allows routers to share info about networks and their proximity to each other. Use this info to build and maintain routing tables.
Name 4 Routing Protocols:
RIP: Routing information protocol
IGRP: Interior Gateway Routing Protocol
EIGRP: Enhanced interior Gateweay Routing Protocol
OSPF: Open Shortest Path First
Routed Protocol
Used to direct user traffic. Provides enough info in its network layer address to allow a packet to be forwarded from one host to another based on the addressing scheme.
Name 2 Routed Protocols:
IP: Internet Protocol
IPX: Internetwork Packet Exchange
What is an autonomous system?
A collection of networks under a common administration that shares a common routing strategy.
Who assigns Identification numbers to each autonomous system.
1.) The AMerican Registry of Internet Numbers (ARIN)
2.) A service Provider
3.) An administrator
This autonomous system number is a ___ bit number.
What is the goal of a routing protocol?
To build and maintain a routing table.
Distance Vector
The distance vector routing approach determines the direction, or vector, and distance to any link in an internetwork.
The link-state approach recreates the exact topology of an entire network.
Link-State Routing
Link-state advertisement (LSA): A small packet of routing information that is sent between routers.

Topological Database: A colleciton of information gathered from LSAs.

SPF Algorithm: A calculation performed on the database that results in the SPF tree.

Routing Table: A list of known paths and interfaces.
Protocol Acronyms:
RIP: Routing information protocol
IGRP: Interior Gateway Routing Protocol
EIGRP: Enhanced interior Gateweay Routing Protocol
OSPF: Open Shortest Path First
3 Concerns related to link-state protocols:
1.) Processor overhead
2.) Memory requirements
3.) Bandwidth consumption
A router uses 2 basic functions;
1.) A path determination function.
2.) A switching function.