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SunNet Manager, troubleshooting spanning tree loops

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straight-through cable pinout four twisted-pair B-7 two twisted-pair B-7 SunNet Manager 1-24 switch models 1-1 system LED 1-10 T table-mounting 2-19 technical specifications A-1 telco racks 2-18 Telnet, and accessing the CLI 1-24 temperature, operating A-1 transceiver troubleshooting 4-3 troubleshooting bad or damaged cable 4-2 connection problems 4-2 diagnosing problems 4-1 Ethernet and fiber cables 4-2 link status 4-2 ping end device 4-4 PoE+ connections 4-3 port and interface settings 4-4 POST 4-1 serial number location 4-6 spanning tree loops 4-4 speed, duplex, and autonegotiation 4-4 transceivers 4-3 with LEDs 4-1 troubleshooting spanning tree loops 4-4 Index W warnings code compliance 2-3 connecting outside of building 2-3 connecting the power 2-2 DC power 3-8 disposal of product 2-3 ground connection 3-9 installation 2-1 lightning activity 2-2 overheating 2-2 PoE+ shock hazard 2-28 preventing bodily injury 2-15 removing jewelry 2-2 restricted access area 2-2 servicing equipment 2-2 shielding Ethernet cables 2-2 stacking equipment 2-2 weight A-1 X XPS connector 1-21 described 1-21 LED 1-11, ?? to 1-11 OL-19593-02 Catalyst 3750-X and 3560-X Switch Hardware Installation Guide IN-5

Section	Page
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide	1
Contents	3
Preface	9
Product Overview	11
Switch Models	11
Front Panel Description	13
SFP Module Slots	14
10/100/1000 Ethernet Ports	14
PoE+ Ports	20
XPS LED	21
Port LEDs and Modes	21
USB Console LED	23
S-PWR LED (Catalyst 3750-X)	24
Master LED (Catalyst 3750-X)	24
Stack LED (Catalyst 3750-X)	24
PoE+ LED	25
Network Module LEDs	26
USB Mini-Type B Port	27
Rear Panel Description	27
RJ-45 Console Port LED	28
USB Type A Interface	28
StackWise Ports	29
Power Supply Modules	29
Switch Power Supply Modules	29
Fan Modules	31
XPS Connector	31
StackPower Connector (Catalyst 3750-X Switches)	32
Management Ports	33
Ethernet Management Port	33
USB Mini-Type B Port	33
Management Options	34
Network Configurations	34
Switch Installation	35
Preparing for Installation	35
Safety Warnings	35
Installation Guidelines	37
Tools and Equipment	38
Planning a Switch Data Stack (Catalyst 3750-X Switches)	38
Switch Data Stacking Guidelines	39
Data Stack Cabling Configurations	39
Data Stack Bandwidth and Partitioning Examples	41
Power On Sequence for Switch Data Stacks	42
Planning a StackPower Stack (Catalyst 3750-X Switches)	42
StackPower Stacking Guidelines	42
StackPower Cabling Configurations	43
StackPower Partitioning Examples	48
Installing the Switch	48
Rack-Mounting	49
Attaching the Rack-Mount Brackets	51
Mounting the Switch in a Rack	52
Table- or Shelf-Mounting	53
After Installing the Switch	53
Connecting to the StackWise Ports (Catalyst 3750-X Switches)	54
Connecting to the StackPower Ports (Catalyst 3750-X Switches)	55
Connecting the StackPower Ports to the XPS 2200	56
Installing a Network Module in the Switch	56
Tools and Equipment	57
Installing Network Modules	57
Removing a Network Module	58
Installing SFP and SFP+ Modules	58
Installing an SFP Module	59
Removing an SFP Module	60
Connecting Devices to the Ethernet Ports	60
10/100/1000 Ethernet Port Connections	61
PoE+ Port Connections	61
Where to Go Next	63
Power Supply and Fan Module Installation	65
Power Supply Module Overview	65
Installation Guidelines	69
Installing an AC Power Supply	71
Installing a DC Power Supply	72
Equipment That You Need	72
Grounding the Switch	73
Installing the DC Power Supply in the Switch	75
Wiring the DC Input Power Source	75
Finding the Power Supply Module Serial Number	76
Fan Module Overview	78
Installing a Fan Module	79
Finding the Fan Module Serial Number	79
Troubleshooting	81
Diagnosing Problems	81
Switch POST Results	81
Switch LEDs	81
Switch Connections	82
Bad or Damaged Cable	82
Ethernet and Fiber Cables	82
Link Status	82
10/100/1000 Port Connections	83
PoE Port Connections	83
SFP Modules	83
Interface Settings	84
Ping End Device	84
Spanning Tree Loops	84
Switch Performance	84
Speed, Duplex, and Autonegotiation	84
Autonegotiation and Network Interface Cards	85
Cabling Distance	85
Resetting the Switch to the Factory Default Settings	85
Finding the Switch Serial Number	86
Replacing a Failed Data Stack Member (Catalyst 3750-X Switches)	86
Technical Specifications	87
Switch Specifications	87
Power Supply Module Specifications	88
Fan Module Specifications	90
Connector and Cable Specifications	91
Connector Specifications	91
10/100/1000 Ports	91
10 Gigabit Ethernet CX1 (SFP+ Copper) Connectors	92
SFP and SFP+ Modules	92
10/100 Ethernet Management Port	93
Console Port	94
Cable and Adapter Specifications	95
SFP and SFP+ Module Cable Specifications	95
Four Twisted-Pair Cable Pinouts	96
Two Twisted-Pair Cable Pinouts	97
Identifying a Crossover Cable	98
Console Port Adapter Pinouts	98
Configuring the Switch with the CLI-Based Setup Program	101
Accessing the CLI	101
Accessing the CLI Through Express Setup	101
Accessing the CLI Through a Console Port	102
RJ-45 Console Port	102
USB Console Port	102
Installing the Cisco Microsoft Windows USB Device Driver	103
Installing the Cisco Microsoft Windows XP USB Driver	104
Installing the Cisco Microsoft Windows 2000 USB Driver	104
Installing the Cisco Microsoft Windows Vista and Windows 7 USB Driver	104
Uninstalling the Cisco Microsoft Windows USB Driver	105
Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver	105
Uninstalling the Cisco Microsoft Windows Vista and Windows 7 USB Driver	106
Entering the Initial Configuration Information	106
IP Settings	106
Configuring the Setup Program	106

Match case Limit results 1 per page

Index

IN-5

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

OL-19593-02

straight-through cable pinout

four twisted-pair

B-7

two twisted-pair

B-7

SunNet Manager

1-24

switch models

1-1

system LED

1-10

table-mounting

2-19

technical specifications

A-1

telco racks

2-18

Telnet, and accessing the CLI

1-24

temperature, operating

A-1

transceiver troubleshooting

4-3

troubleshooting

bad or damaged cable

4-2

connection problems

4-2

diagnosing problems

4-1

Ethernet and fiber cables

4-2

link status

4-2

ping end device

4-4

PoE+ connections

4-3

port and interface settings

4-4

POST

4-1

serial number location

4-6

spanning tree loops

4-4

speed, duplex, and autonegotiation

4-4

transceivers

4-3

with LEDs

4-1

troubleshooting spanning tree loops

4-4

warnings

code compliance

2-3

connecting outside of building

2-3

connecting the power

2-2

DC power

3-8

disposal of product

2-3

ground connection

3-9

installation

2-1

lightning activity

2-2

overheating

2-2

PoE+ shock hazard

2-28

preventing bodily injury

2-15

removing jewelry

2-2

restricted access area

2-2

servicing equipment

2-2

shielding Ethernet cables

2-2

stacking equipment

2-2

weight

A-1

XPS

connector

1-21

described

1-21

LED

1-11, ?? to 1-11