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... and Fiber Cables 2 Link Status 3 PoE Connections 3 Transceiver Module Port Issues 3 Port and Interface Settings 4 Ping the End Device 4 Spanning Tree Loops 4 Monitor Switch Performance 5 Speed, Duplex, and Autonegotiation 5 Autonegotiation and NIC Cards 5 Cabling Distance 5 Clearing the Switch IP Address and Configuration 6 Replacing a Failed Stack Member 6 Finding the Switch Serial Number 7 1 Technical Specifications 1 1 Connector and Cable Specifications 1 Connector Specifications 1 10/100 and 10/100/1000 Ports 2 100BASE-FX Ports 2 SFP Module Ports 3 XENPAK Module Ports (Catalyst 3750G-16TD...
... and Fiber Cables 2 Link Status 3 PoE Connections 3 Transceiver Module Port Issues 3 Port and Interface Settings 4 Ping the End Device 4 Spanning Tree Loops 4 Monitor Switch Performance 5 Speed, Duplex, and Autonegotiation 5 Autonegotiation and NIC Cards 5 Cabling Distance 5 Clearing the Switch IP Address and Configuration 6 Replacing a Failed Stack Member 6 Finding the Switch Serial Number 7 1 Technical Specifications 1 1 Connector and Cable Specifications 1 Connector Specifications 1 10/100 and 10/100/1000 Ports 2 100BASE-FX Ports 2 SFP Module Ports 3 XENPAK Module Ports (Catalyst 3750G-16TD...
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..., Cisco Wireless Access Points workstations, and other network devices such as backbone switches, aggregating 10BASE-T, 100BASE-TX, and 1000BASE-T Ethernet traffic from other switches. Catalyst 3750-48TS switch-48 10/100 Ethernet ports and 4 SFP module slots - Catalyst 3750V2-48PS switch-48 10/100 PoE ports and 4 SFP module slots OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-1 Catalyst 3750V2-48TS switch-48 10/100 Ethernet ports and 4 SFP module slots - Catalyst 3750V2-24PS switch-24 10/100 PoE ports and 2 SFP module slots - Catalyst 3750-24FS switch...
..., Cisco Wireless Access Points workstations, and other network devices such as backbone switches, aggregating 10BASE-T, 100BASE-TX, and 1000BASE-T Ethernet traffic from other switches. Catalyst 3750-48TS switch-48 10/100 Ethernet ports and 4 SFP module slots - Catalyst 3750V2-48PS switch-48 10/100 PoE ports and 4 SFP module slots OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-1 Catalyst 3750V2-48TS switch-48 10/100 Ethernet ports and 4 SFP module slots - Catalyst 3750V2-24PS switch-24 10/100 PoE ports and 2 SFP module slots - Catalyst 3750-24FS switch...
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.../100/1000 ports, autonegotiates the speed and supports only full-duplex mode Catalyst 3750 Switch Hardware Installation Guide 1-2 OL-6336-10 Catalyst 3750G-24T switch-24 10/100/1000 Ethernet ports - Catalyst 3750G-48PS switch-48 10/100/1000 PoE ports and 4 SFP module slots - Catalyst 3750G-24WS-S50 switch-24 10/100/1000 PoE ports, 2 SFP module slots, and an integrated Cisco wireless LAN controller supporting up to 50 Cisco Lightweight Access Points • 10-Gigabit Ethernet Configuration - Catalyst 3750G-24WS-S25 switch-24 10/100/1000 PoE ports, 2 SFP module slots, and...
.../100/1000 ports, autonegotiates the speed and supports only full-duplex mode Catalyst 3750 Switch Hardware Installation Guide 1-2 OL-6336-10 Catalyst 3750G-24T switch-24 10/100/1000 Ethernet ports - Catalyst 3750G-48PS switch-48 10/100/1000 PoE ports and 4 SFP module slots - Catalyst 3750G-24WS-S50 switch-24 10/100/1000 PoE ports, 2 SFP module slots, and an integrated Cisco wireless LAN controller supporting up to 50 Cisco Lightweight Access Points • 10-Gigabit Ethernet Configuration - Catalyst 3750G-24WS-S25 switch-24 10/100/1000 PoE ports, 2 SFP module slots, and...
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... Catalyst 3560 SERIES 1 2 1 2 1 100BASE-FX ports 2 SFP module slots OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-3 You can configure duplex mode to half, full, or autonegotiate on Gigabit Ethernet interfaces if the speed is 1000 Mb/s. • The Catalyst 3750 switches support stacking. StackWise ports are not user-configurable. • Switches are hot-swappable. • Connection for an optional Cisco RPS 2300 or Cisco RPS 675 redundant power system (RPS) that operates on the Catalyst 3750-24FS switch are numbered...
... Catalyst 3560 SERIES 1 2 1 2 1 100BASE-FX ports 2 SFP module slots OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-3 You can configure duplex mode to half, full, or autonegotiate on Gigabit Ethernet interfaces if the speed is 1000 Mb/s. • The Catalyst 3750 switches support stacking. StackWise ports are not user-configurable. • Switches are hot-swappable. • Connection for an optional Cisco RPS 2300 or Cisco RPS 675 redundant power system (RPS) that operates on the Catalyst 3750-24FS switch are numbered...
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... sure to use Category 3 or Category 4 cables. High-power devices can operate in high-power mode. The device changes to high-power mode only when it . OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-11 For information about Cisco IP Phones and Cisco Aironet Access Points, see the device manager online help and the switch software configuration guide. Pinouts for each 10/100 or 10/100/1000 PoE port: Auto (the default) and Never...
... sure to use Category 3 or Category 4 cables. High-power devices can operate in high-power mode. The device changes to high-power mode only when it . OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-11 For information about Cisco IP Phones and Cisco Aironet Access Points, see the device manager online help and the switch software configuration guide. Pinouts for each 10/100 or 10/100/1000 PoE port: Auto (the default) and Never...
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... Switch Hardware Installation Guide 1-13 You can use a Category 5 or higher cable with LC or MT-RJ connectors to connect to a fiber-optic SFP module. Chapter 1 Product Overview 10/100 and 10/100/1000 Ports SFP Modules The Catalyst 3750 switch uses Gigabit Ethernet SFP modules to establish connections to other switches. These transceiver modules are field-replaceable, providing the uplink interfaces when inserted in the switch front panel. You use the command-line interface (CLI) to a copper SFP module. The switch software configuration guide describes how to use fiber...
... Switch Hardware Installation Guide 1-13 You can use a Category 5 or higher cable with LC or MT-RJ connectors to connect to a fiber-optic SFP module. Chapter 1 Product Overview 10/100 and 10/100/1000 Ports SFP Modules The Catalyst 3750 switch uses Gigabit Ethernet SFP modules to establish connections to other switches. These transceiver modules are field-replaceable, providing the uplink interfaces when inserted in the switch front panel. You use the command-line interface (CLI) to a copper SFP module. The switch software configuration guide describes how to use fiber...
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... RPS LED is not used on the Catalyst 3750G-12S-SD switch. Figure 1-17 Switch LEDs (PoE) 104062 SYST RPS MASTR STAT DUPLX SPEED STACK PoE MODE 12345678 9 1 Mode button 2 PoE LED 3 Stack LED 4 Speed LED 5 Duplex LED 6 Status LED 7 Master LED 8 RPS LED 9 System LED Chapter 1 Product Overview 1-14 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 10/100 and 10/100/1000 Ports Figure 1-16 Switch LEDs (No PoE) SYST RPS MASTR STAT DUPLX SPEED STACK MODE 132966 12345678 1 Mode button 2 Stack LED 3 Speed LED 5 Status LED 6 Master LED 7 RPS LED1 4 Duplex LED 8 System LED...
... RPS LED is not used on the Catalyst 3750G-12S-SD switch. Figure 1-17 Switch LEDs (PoE) 104062 SYST RPS MASTR STAT DUPLX SPEED STACK PoE MODE 12345678 9 1 Mode button 2 PoE LED 3 Stack LED 4 Speed LED 5 Duplex LED 6 Status LED 7 Master LED 8 RPS LED 9 System LED Chapter 1 Product Overview 1-14 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 10/100 and 10/100/1000 Ports Figure 1-16 Switch LEDs (No PoE) SYST RPS MASTR STAT DUPLX SPEED STACK MODE 132966 12345678 1 Mode button 2 Stack LED 3 Speed LED 5 Status LED 6 Master LED 7 RPS LED1 4 Duplex LED 8 System LED...
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.../Active button on the Catalyst 3750G-12S-SD switch. The Master LED shows the stack master status. Switch is off or not properly connected. Table 1-2 RPS LED Color Off Green Flashing green Amber Flashing amber RPS Status RPS is the stack master or a standalone switch. RPS is connected but is unavailable because it does not, the RPS fan could have failed. For more information about the Cisco RPS 2300, see the Cisco RPS 675 Redundant Power System Hardware Installation Guide...
.../Active button on the Catalyst 3750G-12S-SD switch. The Master LED shows the stack master status. Switch is off or not properly connected. Table 1-2 RPS LED Color Off Green Flashing green Amber Flashing amber RPS Status RPS is the stack master or a standalone switch. RPS is connected but is unavailable because it does not, the RPS fan could have failed. For more information about the Cisco RPS 2300, see the Cisco RPS 675 Redundant Power System Hardware Installation Guide...
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... output power of the console port and the supplied RJ-45-to -DB-25 female DTE adapter. Management Options The Catalyst 3750 switches offer several management options: • Network Assistant Cisco Network Assistant is available at a time. The controller console port can be downloaded from Cisco. Through a user-friendly GUI, users can order a kit (part number ACS-DSBUASYN=) containing that adapter from this URL: http://www.cisco.com/cisco/software/navigator.html?mdfid=279230132http://www.cisco.com/pcgi -bin...
... output power of the console port and the supplied RJ-45-to -DB-25 female DTE adapter. Management Options The Catalyst 3750 switches offer several management options: • Network Assistant Cisco Network Assistant is available at a time. The controller console port can be downloaded from Cisco. Through a user-friendly GUI, users can order a kit (part number ACS-DSBUASYN=) containing that adapter from this URL: http://www.cisco.com/cisco/software/navigator.html?mdfid=279230132http://www.cisco.com/pcgi -bin...
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... switch console port or by connecting your SNMP application for more information. You can manage switches from a SNMP-compatible management station that is enhanced to set of Management Information Base (MIB) extensions and four Remote Monitoring (RMON) groups. See the switch software configuration guide on Cisco.com and the documentation that you purchase separately, can access the CLI either by using the switch to view switch status and performance information. Chapter 1 Product Overview Management Options • Cisco IOS command-line interface (CLI) The switch CLI...
... switch console port or by connecting your SNMP application for more information. You can manage switches from a SNMP-compatible management station that is enhanced to set of Management Information Base (MIB) extensions and four Remote Monitoring (RMON) groups. See the switch software configuration guide on Cisco.com and the documentation that you purchase separately, can access the CLI either by using the switch to view switch status and performance information. Chapter 1 Product Overview Management Options • Cisco IOS command-line interface (CLI) The switch CLI...
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...-isolated (DC-I). Avoid using uninsulated exposed metal contacts, conductors, or terminals. Statement 1072 Warning No user-serviceable parts inside. Chapter 2 Switch Installation Preparing for preventing accidents. Statement 1071 Warning Voltages that could cause bodily injury. Do not open. Statement 1015 OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 2-5 Catalyst 3750G Integrated Wireless LAN Controller Switches This warning applies only to the manufacturer's instructions. Dispose of the...
...-isolated (DC-I). Avoid using uninsulated exposed metal contacts, conductors, or terminals. Statement 1072 Warning No user-serviceable parts inside. Chapter 2 Switch Installation Preparing for preventing accidents. Statement 1071 Warning Voltages that could cause bodily injury. Do not open. Statement 1015 OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 2-5 Catalyst 3750G Integrated Wireless LAN Controller Switches This warning applies only to the manufacturer's instructions. Dispose of the...
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... switch, see the Cisco RPS documentation for complete instructions. If any item is missing or damaged, contact your configuration has an RPS, connect the switch and the RPS to an AC power outlet. When the switch begins POST, the System, the RPS, the Master, the Status, the Duplex, the Speed, and the Stack LEDs turn green. (On the PoE switches, the PoE LED also turns green as POST begins.) The System LED flashes green, and...
... switch, see the Cisco RPS documentation for complete instructions. If any item is missing or damaged, contact your configuration has an RPS, connect the switch and the RPS to an AC power outlet. When the switch begins POST, the System, the RPS, the Master, the Status, the Duplex, the Speed, and the Stack LEDs turn green. (On the PoE switches, the PoE LED also turns green as POST begins.) The System LED flashes green, and...
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...-T SFP module port on the switch, regardless of the type of the Cisco IP Phone might not support PoE when connected to a Cisco IP Phone through a straight-through, twisted four-pair Category 5 or later cable. For releases between Cisco IOS Release 12.1(14)EA1 and 12.2(18)SE, the auto-MDIX feature is enabled, the switch detects the required cable type for this feature, see the switch software configuration guide or the switch command reference. You...
...-T SFP module port on the switch, regardless of the type of the Cisco IP Phone might not support PoE when connected to a Cisco IP Phone through a straight-through, twisted four-pair Category 5 or later cable. For releases between Cisco IOS Release 12.1(14)EA1 and 12.2(18)SE, the auto-MDIX feature is enabled, the switch detects the required cable type for this feature, see the switch software configuration guide or the switch command reference. You...
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...-test (POST), port-connectivity problems, and overall switch performance. You can also get statistics from the CLI or from a Simple Network Management Protocol (SNMP) workstation. See the software configuration guide and the switch command reference on Cisco.com or the documentation that came with your SNMP application for troubleshooting problems: • Diagnosing Problems, page 3-1 • Clearing the Switch IP Address and Configuration, page 3-6 • Replacing a Failed Stack Member, page 3-6 • Finding the Switch Serial Number, page 3-7 Diagnosing Problems The LEDs on the...
...-test (POST), port-connectivity problems, and overall switch performance. You can also get statistics from the CLI or from a Simple Network Management Protocol (SNMP) workstation. See the software configuration guide and the switch command reference on Cisco.com or the documentation that came with your SNMP application for troubleshooting problems: • Diagnosing Problems, page 3-1 • Clearing the Switch IP Address and Configuration, page 3-6 • Replacing a Failed Stack Member, page 3-6 • Finding the Switch Serial Number, page 3-7 Diagnosing Problems The LEDs on the...
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... using the show the PoE status for loose connections. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 See Table 1-5 on page 1-12 for a list of the cable are connected to the correct ports. • Verify that both devices have link. Many legacy powered devices, including older Cisco IP phones and access points that the power supply installed in the switch meets the power requirements of the LEDs and their meanings. • Monitor the port status by a crossover cable. Replace...
... using the show the PoE status for loose connections. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 See Table 1-5 on page 1-12 for a list of the cable are connected to the correct ports. • Verify that both devices have link. Many legacy powered devices, including older Cisco IP phones and access points that the power supply installed in the switch meets the power requirements of the LEDs and their meanings. • Monitor the port status by a crossover cable. Replace...
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... connected interfaces on fiber-optic and twisted-pair links and by trunk, until you find unidirectional link problems. UDLD supports a normal mode of port connectivity failure is not disabled or for a list of the connectivity issue. A unidirectional link can enable the UniDirectional Link Detection (UDLD) protocol on the switch, see the "Understanding UDLD" section in its neighbor, but sometimes overlooked cause of operation (the default) and an aggressive mode. Catalyst 3750 Switch Hardware Installation Guide...
... connected interfaces on fiber-optic and twisted-pair links and by trunk, until you find unidirectional link problems. UDLD supports a normal mode of port connectivity failure is not disabled or for a list of the connectivity issue. A unidirectional link can enable the UniDirectional Link Detection (UDLD) protocol on the switch, see the "Understanding UDLD" section in its neighbor, but sometimes overlooked cause of operation (the default) and an aggressive mode. Catalyst 3750 Switch Hardware Installation Guide...
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... switch. Continue holding down the Mode button. Replacing a Failed Stack Member If you need to the factory default settings: 1. Clearing the Switch IP Address and Configuration Chapter 3 Troubleshooting Clearing the Switch IP Address and Configuration If you have configured a new switch with an incorrect IP address, or if all configuration information that is stored on page 1-14). Catalyst 3750 Switch Hardware Installation Guide 3-6 OL-6336-10 Do not follow this step and run Express Setup to configure the switch. 2. The switch...
... switch. Continue holding down the Mode button. Replacing a Failed Stack Member If you need to the factory default settings: 1. Clearing the Switch IP Address and Configuration Chapter 3 Troubleshooting Clearing the Switch IP Address and Configuration If you have configured a new switch with an incorrect IP address, or if all configuration information that is stored on page 1-14). Catalyst 3750 Switch Hardware Installation Guide 3-6 OL-6336-10 Do not follow this step and run Express Setup to configure the switch. 2. The switch...
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... Express Setup mode and then connecting an Ethernet port of the switch to a Power Source" section on page D-6 • "Entering the Initial Configuration Information" section on page D-7 Catalyst 3750 Switch Hardware Installation Guide D-2 OL-6336-09 Accessing the CLI Through the Console Port You can access the CLI on a configured or unconfigured switch by using the IP address 10.0.0.1, and enter the setup user EXEC command. You lose the Telnet connection after entering the write memory command. For switches running Cisco...
... Express Setup mode and then connecting an Ethernet port of the switch to a Power Source" section on page D-6 • "Entering the Initial Configuration Information" section on page D-7 Catalyst 3750 Switch Hardware Installation Guide D-2 OL-6336-09 Accessing the CLI Through the Console Port You can access the CLI on a configured or unconfigured switch by using the IP address 10.0.0.1, and enter the setup user EXEC command. You lose the Telnet connection after entering the write memory command. For switches running Cisco...
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... Initial Configuration Information To set up the switch, you complete the setup program: • Switch IP address • Subnet mask (IP netmask) • Default gateway (router) • Enable secret password • Enable password • Telnet password Completing the Setup Program Note If your switches are stacked and there are in the first console where the user presses Enter. Would you plan to use the Network Assistant to display the setup program prompt. Use ctrl...
... Initial Configuration Information To set up the switch, you complete the setup program: • Switch IP address • Subnet mask (IP netmask) • Default gateway (router) • Enable secret password • Enable password • Telnet password Completing the Setup Program Note If your switches are stacked and there are in the first console where the user presses Enter. Would you plan to use the Network Assistant to display the setup program prompt. Use ctrl...
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... change this configuration to save the configuration and use the Network Assistant, see the switch software configuration guide or the switch command reference. To use it the next time the switch reboots, save it in nonvolatile RAM (NVRAM) by using a terminal program or through the network by selecting option 2. no shutdown ip address 10.4.120.106 255.0.0.0 ! If you created. interface FastEthernet1/0/2 interface FastEthernet1/0/3 ! ... ! OL-6336-09 Catalyst 3750 Switch Hardware Installation Guide D-9 Appendix D Configuring the Switch with Cisco Network Assistant guide...
... change this configuration to save the configuration and use the Network Assistant, see the switch software configuration guide or the switch command reference. To use it the next time the switch reboots, save it in nonvolatile RAM (NVRAM) by using a terminal program or through the network by selecting option 2. no shutdown ip address 10.4.120.106 255.0.0.0 ! If you created. interface FastEthernet1/0/2 interface FastEthernet1/0/3 ! ... ! OL-6336-09 Catalyst 3750 Switch Hardware Installation Guide D-9 Appendix D Configuring the Switch with Cisco Network Assistant guide...
