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CCDP Self-Study: Designing High-Availability Services

Chapter Description

Cisco IOS high-availability technologies provide network redundancy and fault tolerance. Reliable network devices, redundant hardware components with automatic failover, and protocols like Hot Standby Router Protocol (HSRP) are used to maximize network uptime. This chapter will help you get a handle on high-availability technologies.

Product Summary

Tables 5-4, 5-5, and 5-6 provide a brief overview of some of the products available from Cisco Systems that relate to the topics discussed in this chapter. For a more detailed breakdown of the Cisco product line, visit http://www.cisco.com/en/US/products/index.html.

Table 5-4 Examples of Cisco Catalyst Switches with Supervisor and Power Supply Redundancy Options

Product Name

Description

Catalyst 4507R

Catalyst 4500 Chassis (7-slot), fan, no p/s, redundant supply capable

Catalyst 4510R

Catalyst 4500 Chassis (10-slot), fan, no p/s, redundant supply capable

Catalyst 6509-NEB

Catalyst 6509 Chassis for NEBS environments


Table 5-5 Examples of Cisco Routers That Are Capable of Having a Redundant Power Supply

Product Name

Description

Cisco 2651XM-RPS

High Performance Dual 10/100 mod router w/IP-RPS ADPT

Cisco 3662-AC-CO

Dual 10/100E Cisco 3660 6-slot CO mod router-AC w/Telco SW

Cisco 3745

Cisco 3700 Series 4-slot application service router

Cisco 7206VXR-CH

Cisco 7206VXR, 6-slot chassis, 1 AC supply w/IP software

Cisco 7304

4-slot chassis, NSE100, 1 power supply, IP software

Cisco 7401ASR-CP

7401ASR, 128M SDRAM, IP software


Table 5-6 A Cisco Router That Is Capable of Having a Redundant Route Processor and a Redundant Fan Module

Product Name

Description

Cisco 7304

4-slot chassis, NSE100, 1 power supply, IP software


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