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CHAPTER

1-1

Catalyst 6000 Family Content Switching Module Installation and Configuration Note

78-11631-05

Overview

The Catalyst 6000 family Content Switching Module (CSM) provides high-performance server load

balancing (SLB) between network devices and server farms based on Layer 4 through Layer 7 packet

information. Server farms are groups of real servers.

Server farms that are represented as virtual servers can improve scalability and availability of services

for your network. You can add new servers and remove failed or existing servers at any time without

affecting the virtual server’s availability.

Clients connect to the CSM by supplying the virtual IP (VIP) address of the virtual server. When a client

initiates a connection to the virtual server, the CSM chooses a real server (a physical device that is

assigned to a server farm) for the connection based on configured load-balancing algorithms and policies

(access rules). Policies manage traffic by defining where to send client requests for information.

Sticky connections limit traffic to individual servers by allowing multiple connections from the same

client to stick to the same real server using source IP addresses, source IP subnets, cookies, and the

secure socket layer (SSL) or by redirecting these connections using the Hypertext Transfer Protocol

(HTTP) requests.

Note The CSM runs on Cisco IOS Release 12.1(6)E or later. If you are using a Supervisor Engine 2, you

must use Cisco IOS Release 12.1(8a)EX or later. To use the CSM Release 2.1(1), you must be

running Cisco IOS Release 12.1(8a)EX or later.

Release 2.2(1) will run with Cisco IOS Release 12.1(8a)EX. However, those features new in CSM

Release 2.2(1) will not be available. To use the features added in CSM Release 2.2(1), you must be

running Cisco IOS Release 12.1(11b)E or later.

Caution The WS-X6066-SLB-APC Content Switching Module is not fabric enabled.

These sections describe the CSM:

• Features, page 1-2

• Front Panel Description, page 1-4

• Operation Mode, page 1-5

• Traffic Flow, page 1-7

1 2 3 4 5 6 7 8

Indice de contenidos

Pagina 1 - Overview

CHAPTER1-1Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-051OverviewThe Catalyst 6000 family Content Switch

Pagina 2 - Features

1-2Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewFeaturesThe CSM provides these e

Pagina 3 - Health Checking

1-3Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewRoute health injectionLoad-balan

Pagina 4 - Front Panel Description

1-4Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewFront Panel DescriptionFigure 1-

Pagina 5 - Operation Mode

1-5Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewRJ-45 ConnectorThe RJ-45 connect

Pagina 6 - Chapter 1 Overview

1-6Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewWhen the client-side and server-

Pagina 7 - Traffic Flow

1-7Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 OverviewTraffic FlowThis section describ

Pagina 8

1-8Catalyst 6000 Family Content Switching Module Installation and Configuration Note78-11631-05Chapter 1 Overview

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