Cisco Systems 6000 manual Overview

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Overview

Regulatory Standards Compliance, page 54

Translated Safety Warnings, page 54

Related Documentation, page 58

Obtaining Documentation, page 59

Obtaining Technical Assistance, page 60

Overview

The CSM provides high-performance connections between network devices and server farms (groups of real servers) based on Layer 4 through 7 packet information. Clients connect to the CSM by supplying the virtual IP address (VIP) of the virtual server. The CSM is configured to handle VIP address connections. 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.

Representing server farms as virtual servers facilitates scalability and availability. The addition of new servers and the removal or failure of existing servers can occur at any time without affecting the virtual server’s availability.

Sticky connections limit traffic to individual servers. These connections are configured so that multiple connections from the same client are stuck to the same real server using source IP addresses, source IP subnets, cookies, secure socket layer (SSL), or redirected using the Hypertext Transfer Protocol (HTTP) requests. Policies manage traffic by defining where to send client requests for information Configuring server load balancing requires that you know the following:

Network topology you are using in your installation.

Real server IP addresses.

The Domain Name Server (DNS) must have an entry for the CSM VIPs (if you want them to be reached through names).

Each virtual server’s IP address.

Note You cannot run Cisco IOS server load balancing software on the same switch as the CSM.

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)E or later. For more information, see the “System Requirements” section on page 9.

Caution You can use the Multilayer Switch Feature Card (MSFC), internal to the Catalyst 6000 family switch, to route traffic on either the client side or the server side of the CSM, but not both simultaneously.

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

 

Catalyst 6000 Family Content Switching Module Installation and Configuration Note

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78-11631-02 Rev. A0

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Contents Contents Overview These sections describe the CSM FeaturesDescribes the features of the CSM Status LED CSM front panel features are shown in FigureFront Panel Description Off Red Orange Green Green to Orange Operation ModeRJ-45 Connector Content Switching Module and Servers Client-to-Content Switching Module-to-Server Traffic Flow Client-to-CSM-to-Server Traffic FlowSafety Overview Memory Requirements CSM memory is not configurableSystem Requirements Environmental Requirements Power RequirementsHardware Supported 72-876-01 Console Cable Not applicableRequired Tools Installing the Content Switching ModulePreparing to Install the CSM Software RequirementsInstalling the CSM Power supply Installing Modules in the Catalyst 6000 Family Switch Verifying the Installation Verifying the InstallationUpgrading to a New Software Release Using the Command-Line InterfaceAccessing Online Help CSM upgrade 127.0.0.zz c6slb-apc.revision-num.bin Upgrading from the Supervisor Engine BootflashSet up a session between the supervisor engine and the CSM Routerconfig# power cycle module slot-numberRouter config# power cycle module slot-number Routerconfig# tftp-server slotxc6slb-apc.revision-num.binCSM upgrade slot0 c6slb-apc.revision-num.bin Upgrading from a Pcmcia CardSwitchport access vlan Configuring the Content Switching ModuleSwitchport Router# vlan databaseConfiguration Overview Configuring VLANs Configure the required parameters in the following sectionsConfiguring VLANs See for the following notesConfiguring Client-Side VLANs Configuring Server-Side VLANsConfiguring Server Farms Configuring Real Servers Configuring Policies Configuring Maps Configure multiple cookies into a cookie map Configure multiple cookiesConfiguring Sticky Groups Configuring Virtual Servers Configuring TCP Parameters Configuring Dynamic Feedback ProtocolConfiguring Redirect Virtual Servers Configuring Client NAT Pools Writing and Restoring Configurations Configuring Server NATConfiguration Examples Single Subnet Bridge Mode ConfigurationConfigure a server-side Vlan Enter the Vlan modeConfigure a client-side Vlan Exit to have the configuration take effectCreate the client-side Vlan 2 and enter the SLB Secure Router Mode ConfigurationVlan mode Create the server-side Vlan 3 and enter the SLB Fault-Tolerant ConfigurationRouterconfig# ip slb vlan 3 server Exit the submodeRouterconfig# int GigabitEthernet 2/1 Router# configure terminalRouterconfig# mac access-list extended Venus Routerconfig-if#service-policy input VenusFault-tolerant configuration, the following rules apply Configuration Parameter On Both Content Switching ModulesRouter B Hsrp address Create the client-side Vlan 2 and enter the SLB Vlan modeAssign the Content Switching IP address on 192.158.38.10Create the Content Switching primary Assign the default route for VlanDefine Vlan 9 as a fault-tolerant Vlan Configure a client-side VLAN2Configuring Hsrp Hsrp Configuration OverviewConfigure Switch 2-FT2 Hsrp secondary as follows CSG VlanConfiguring CSM VLANs Configure VLANs on Hsrp FT2 as followsAdd ports to the EtherChannel as follows Configuring Probes for Health MonitoringConfigure EtherChannel on both switches as follows Icmp creates an Icmp probe with a default configuration Probe-name is the name of the probe being configured it hasHttp creates an Http probe with a default configuration Telnet creates a Telnet probe with a default configurationCommands Available to all Probe Configurations Http ProbeIcmp Probe DNS Probe Submode TCP ProbeFTP, SMTP, and Telnet Probe RHI Overview Configuring Route Health InjectionUnderstanding RHI Routing to VIP Addresses Without RHI Routing to VIP Addresses With RHIUnderstanding How the CSM Determines VIP Availability Configuring RHI for Virtual ServersRouterconfig# ip slb vserver vserver1 Understanding Propagation of VIP Availability InformationRegulatory Standards Compliance Translated Safety WarningsSafety Information Referral Warning Wrist Strap Warning Blank Faceplate Installation Requirement Warning Translated Safety Warnings Release Notes for Catalyst 6000 Family IOS Software Related DocumentationQualified Personnel Warning Documentation CD-ROM Obtaining DocumentationWorld Wide Web Ordering DocumentationObtaining Technical Assistance Contacting TAC by Using the Cisco TAC WebsiteTo access Cisco.com, go to the following website Cisco.comContacting TAC by Telephone Obtaining Technical Assistance