Configuring rip, Information about rip, C h a p t e r – Cisco ASA 5505 User Manual

Page 481

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C H A P T E R

25-1

Cisco ASA 5500 Series Configuration Guide using the CLI

25

Configuring RIP

This chapter describes how to configure the ASA to route data, perform authentication, and redistribute
routing information using the Routing Information Protocol (RIP).

This chapter includes the following sections:

Information About RIP, page 25-1

Licensing Requirements for RIP, page 25-3

Guidelines and Limitations, page 25-3

Configuring RIP, page 25-4

Customizing RIP, page 25-4

Monitoring RIP, page 25-11

Configuration Example for RIP, page 25-11

Feature History for RIP, page 25-11

Information About RIP

This section includes the following topics:

Routing Update Process, page 25-2

RIP Routing Metric, page 25-2

RIP Stability Features, page 25-2

RIP Timers, page 25-2

The Routing Information Protocol, or RIP, as it is more commonly called, is one of the most enduring
of all routing protocols. RIP has four basic components: routing update process, RIP routing metrics,
routing stability, and routing timers. Devices that support RIP send routing-update messages at regular
intervals and when the network topology changes. These RIP packets include information about the
networks that the devices can reach, as well as the number of routers or gateways that a packet must
travel through to reach the destination address. RIP generates more traffic than OSPF, but is easier to
configure.

RIP is a distance-vector routing protocol that uses hop count as the metric for path selection. When RIP
is enabled on an interface, the interface exchanges RIP broadcasts with neighboring devices to
dynamically learn about and advertise routes.

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