CHAPTER
1-1
Cisco ASA Series CLI Configuration Guide
1
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 1-1
• Licensing Requirements for RIP, page 1-3
• Guidelines and Limitations, page 1-3
• Configuring RIP, page 1-4
• Customizing RIP, page 1-4
• Monitoring RIP, page 1-11
• Configuration Example for RIP, page 1-11
• Feature History for RIP, page 1-12
Information About RIP
This section includes the following topics:
• Routing Update Process, page 1-2
• RIP Routing Metric, page 1-2
• RIP Stability Features, page 1-2
• RIP Timers, page 1-2
• Using Clustering, page 1-3
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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