Cisco Systems 3560-E Planning a Switch Stack Catalyst 3750-E Switches, Switch Stacking Guidelines

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Chapter 2 Switch Installation

Planning a Switch Stack (Catalyst 3750-E Switches)

Planning a Switch Stack (Catalyst 3750-E Switches)

If you plan to stack your switches, read these sections:

•Switch Stacking Guidelines, page 2-6

•Stack Cabling Configurations, page 2-7

•Stack Bandwidth and Partitioning Examples, page 2-8

•Power On Sequence for Switch Stacks, page 2-9

Switch Stacking Guidelines

For general concepts and procedures to manage switch stacks, see the switch software configuration guide on Cisco.com. When adding a Catalyst 3750-E switch to an existing 3750 switch stack, review the Catalyst 3750-E Switch Stack Compatibility Guide on Cisco.com for information about mixed stack configurations.

Before connecting the switches in a stack, keep in mind these stacking guidelines:

•Size of the switch and any optional power-supply module. The 1150-W power-supply module is longer than the other modules. Stacking switches with the same power-supply modules together makes it easier to cable the switches. For switch dimensions, see Appendix A, “Technical Specifications.”

•Length of cable. Depending on the configurations that you have, you might need different sized cables. If you do not specify the length of the StackWise cable, the 0.5-meter cable is supplied. If you need the 1-meter cable or the 3-meter cable, you can order it from your Cisco supplier. For cable part numbers, see the “StackWise Ports” section on page 1-14. The “Stack Cabling Configurations” section on page 2-7provides examples of recommended configurations.

•Access to the switch rear panel and to the rear of the rack if you are planning to stack the switches. If you do not have access to the rear panel, make sure that you cable the switches before you rack-mount them.

•For switch stacks that are rack-mounted, review this recommended sequence of events:

–If you are using the RPS 2300, install the RPS first at the bottom of the stack. If needed, allow one RU space between the RPS and the first switch above to provide room for cabling.

–Connect all the 22-pin RPS cables to the RPS 2300 as needed.

–Rack-mount the switches. If you have the optional 1150-W power-supply module, first rack-mount the switch before installing the power-supply module.

–Connect the RPS cable to the first switch above the RPS 2300. Connect the stack cables to the first switch above the RPS.

–Connect the RPS cable to the next switch above the RPS 2300. Connect the stack cables to the next switch above the RPS.

–Repeat until all devices are connected.

Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide

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OL-9774-03

 

 

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Contents Americas Headquarters Text Part Number OL-9774-03Page N T E N T S Connecting Devices to the Ethernet Ports Wiring the DC-Input Power Source Accessing the CLI Through the Console Port C-1 Audience PurposeConventions Related Publications ViiiPreface OL-9774-03 Switch Models Part Number DescriptionSwitch Part Number Description Front Panel Description24- and 48-Port Switch Front Panel 10/100/1000 Ethernet Ports PoE PortsGigabit Ethernet Module Slots SFP ModulesCisco TwinGig Converter Module 24- and 48-Port Switch LEDs LEDsSystem LED Color System StatusPower Supply LEDs Master LEDColor RPS Status ColorMode LED Port Mode Description Fan LEDPort LEDs and Modes Port Mode Port LED Color Meaning PoE LED Color PoE StatusStack LED Stack LED24- and 48-Port Switch Rear Panel Rear Panel DescriptionCatalyst 3560E-12D Switch Rear Panel StackWise PortsPower-Supply Modules 48-Port Switch Power-Supply ModulesSwitch Port PoE Port non-PoE Port Non-PoEAC-Power-Supply Module LEDs DC-Power-Supply Module LEDs DescriptionFan Modules Module LEDs DescriptionRPS Connector Management PortsManagement Options Network Configurations Preparing for Installation Safety WarningsOL-9774-03 Switch Installation Preparing for Installation Statement 371-Power Cable and AC Adapter Installation Guidelines Box ContentsTools and Equipment Planning a Switch Stack Catalyst 3750-E Switches Switch Stacking GuidelinesStack Cabling Configurations Stack Bandwidth and Partitioning Examples Example of a Stack with Full Bandwidth ConnectionsPower On Sequence for Switch Stacks Example of a Stack with a Failover ConditionInstalling the Switch Rack-MountingRack-Mounting Brackets 10 Removing Screws from the Switch Attaching the Rack-Mount Brackets11 Attaching Brackets for 19-inch Racks Mounting the Switch in a Rack Mounting the Switch in a RackAttaching the Brackets to the Switch for Wall-Mounting Wall-MountingMounting the Catalyst 3560E-12D Switch on a Wall Mounting the Catalyst 3560E-12SD Switch on a Wall After Installing the Switch Table- or Shelf-MountingConnecting to the StackWise Ports Catalyst 3750-E Switches Installing Devices in the 10-Gigabit Ethernet Slots Installing X2 Transceiver Modules and Converter ModulesModule inserted face up Module inserted face down 202046 Installing SFP Modules Removing an X2 Transceiver Module or Converter ModuleInstalling an SFP Module Lower SFP modules are inverted on 24- and 48-port switches Connecting Devices to the Ethernet Ports Removing an SFP Module10/100/1000 Ethernet Port Connections PoE Port ConnectionsDevice Crossover Cable Switch Installation Connecting Devices to the Ethernet Ports Where to Go Next OL-9774-03 Power Supply and Fan Module Installation Installation OverviewOL-9774-03 Installing an AC-Power Supply Inserting the AC-Power Supply in 24- and 48-Port SwitchesInstalling a DC-Power Supply AC-Power Supply with Power Cord RetainerPreparing for Installation Grounding the SwitchStripping the Ground Wire See -9for the Catalyst 3560E-12SD ground location Installing the DC Power Supply in the Switch Inserting the DC-Power Supply in 24- and 48-Port SwitchesWiring the DC-Input Power Source Installing a Fan Module 12 Inserting the Fan Module in 24- and 48-Port Switches202049 OL-9774-03 Diagnosing Problems Check Switch Post ResultsCheck Switch LEDs Check Switch ConnectionsBad or Damaged Cable Ethernet and Fiber CablesTransceiver Issues Port and Interface SettingsPoE Connections Check Switch Performance Ping End DeviceSpanning Tree Loops Speed, Duplex, and AutonegotiationHow to Clear the Switch IP Address and Configuration Autonegotiation and NIC CardsCabling Distance Finding the Switch Serial Number How to Replace a Failed Stack MemberTroubleshooting How to Replace a Failed Stack Member OL-9774-03 Physical Specifications Environmental RangesPower Specifications Table A-5 OL-9774-03 Connector and Cable Specifications Connector Specifications10/100/1000 Ports Gigabit Ethernet Module InterfacesFigure B-4 Duplex LC Cable Connector 10/100 Ethernet Management Port Console PortCable and Adapter Specifications Gigabit Ethernet X2 Transceiver Module Cable SpecificationsModal X2 Product Wavelength Core Size Bandwidth Number Microns MHz/kmSFP Module Cable Specifications X2 Product Transmit Power Receive Power NumberTransmit DBm Wavelength nmFour Twisted-Pair Cable Pinouts 652 43.4 to 62 miles 1530 To 100 km 1570 1610Two Twisted-Pair Crossover Cable Schematic Two Twisted-Pair Cable PinoutsSwitch Console RJ-45-to-DB-9 Port DTE Identifying a Crossover CableConsole Port Adapter Pinouts DeviceSwitch Console RJ-45-to-DB-25 Port DTE Accessing the CLI Accessing the CLI Through Express SetupAccessing the CLI Through the Console Port Entering the Initial Configuration Information IP SettingsConnecting to the Console Port Completing the Setup Program Line vty 0 These choices appear OL-9774-03 Numerics IN-2 IN-3 IN-4 IN-5 IN-6
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