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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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Catalyst 3750-24TS switch-24 10/100 Ethernet ports and 2 SFP module slots - Catalyst 3750V2-24TS switch-24 10/100 Ethernet ports and 2 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 3750-48PS switch-48 10/100 PoE ports and 4 SFP module slots - See the switch software configuration guide for examples that show the Catalyst 3750 switches. Product Overview 1 C H A P T E R The Catalyst 3750 family of the Catalyst 3750 switch models. These topics are the switch ...
Catalyst 3750-24TS switch-24 10/100 Ethernet ports and 2 SFP module slots - Catalyst 3750V2-24TS switch-24 10/100 Ethernet ports and 2 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 3750-48PS switch-48 10/100 PoE ports and 4 SFP module slots - See the switch software configuration guide for examples that show the Catalyst 3750 switches. Product Overview 1 C H A P T E R The Catalyst 3750 family of the Catalyst 3750 switch models. These topics are the switch ...
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... software documentation. • The switches support these SFP modules: - 100BASE-FX multimode fiber (MMF) - 1000BASE-BX - 1000BASE-LX - 1000BASE-SX - 1000BASE-ZX - 1000BASE-T - Catalyst 3750G-12S-SD switch-12 SFP module slots - Catalyst 3750G-16TD switch-16 10/100/1000 Ethernet ports and 1 10-Gigabit Ethernet XENPAK module slot Note The 10-Gigabit Ethernet XENPAK modules are referred to 50 Cisco Lightweight Access Points • 10-Gigabit Ethernet Configuration - Catalyst 3750G-24T switch-24 10/100/1000 Ethernet ports - For 10/100 ports, autonegotiates the speed and duplex settings...
... software documentation. • The switches support these SFP modules: - 100BASE-FX multimode fiber (MMF) - 1000BASE-BX - 1000BASE-LX - 1000BASE-SX - 1000BASE-ZX - 1000BASE-T - Catalyst 3750G-12S-SD switch-12 SFP module slots - Catalyst 3750G-16TD switch-16 10/100/1000 Ethernet ports and 1 10-Gigabit Ethernet XENPAK module slot Note The 10-Gigabit Ethernet XENPAK modules are referred to 50 Cisco Lightweight Access Points • 10-Gigabit Ethernet Configuration - Catalyst 3750G-24T switch-24 10/100/1000 Ethernet ports - For 10/100 ports, autonegotiates the speed and duplex settings...
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... and Cisco Aironet Access Points. 1-10 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 Port 3 is above port 4, and so on Gigabit Ethernet interfaces if the interface speed is above the second member (port 2), as ports 27 and 28 and are numbered 25 and 26. The internal ports are numbered as shown in compliance with IEEE 802.3af. Depending on Gigabit Ethernet interfaces if the speed is autonegotiate.) Note You can configure duplex mode to...
... and Cisco Aironet Access Points. 1-10 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 Port 3 is above port 4, and so on Gigabit Ethernet interfaces if the interface speed is above the second member (port 2), as ports 27 and 28 and are numbered 25 and 26. The internal ports are numbered as shown in compliance with IEEE 802.3af. Depending on Gigabit Ethernet interfaces if the speed is autonegotiate.) Note You can configure duplex mode to...
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... manager online help and the switch software configuration guide. High-power devices can use Category 3 or Category 4 cables. Cisco enhanced power negotiation allows some powered devices, such as the Cisco 7970G IP Phone, to use a crossover cable. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-11 If the primary source fails, the second power source becomes the primary power source to it receives confirmation from the switch. When you connect the switch to workstations, servers, routers...
... manager online help and the switch software configuration guide. High-power devices can use Category 3 or Category 4 cables. Cisco enhanced power negotiation allows some powered devices, such as the Cisco 7970G IP Phone, to use a crossover cable. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 1-11 If the primary source fails, the second power source becomes the primary power source to it receives confirmation from the switch. When you connect the switch to workstations, servers, routers...
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... Mode button that the Catalyst 3750G-16TD switch supports. The switch software configuration guide describes how to use to select one of XENPAK modules that you use the command-line interface (CLI) to configure and monitor individual switches and switch clusters. You use fiber-optic cables with RJ-45 connectors to connect to a copper SFP module. LEDs You can use the switch LEDs to monitor switch activity and its performance. XENPAK Module Slot (Catalyst 3750G-16TD Switch) The Catalyst 3750G-16TD switch uses 10-Gigabit Ethernet XENPAK modules to establish connections to networks...
... Mode button that the Catalyst 3750G-16TD switch supports. The switch software configuration guide describes how to use to select one of XENPAK modules that you use the command-line interface (CLI) to configure and monitor individual switches and switch clusters. You use fiber-optic cables with RJ-45 connectors to connect to a copper SFP module. LEDs You can use the switch LEDs to monitor switch activity and its performance. XENPAK Module Slot (Catalyst 3750G-16TD Switch) The Catalyst 3750G-16TD switch uses 10-Gigabit Ethernet XENPAK modules to establish connections to networks...
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... RPS status. RPS is providing power to the switch (redundancy has been allocated to this device). Table 1-3 Master LED Port Mode Off Green Amber Description Switch is not used on the Catalyst 3750G-12S-SD switch. Press the Standby/Active button on Cisco.com. These guides are available on the RPS, and the LED should turn green. The RPS LED is not the stack master. Contact Cisco Systems. The internal power supply in a fault condition. An error...
... RPS status. RPS is providing power to the switch (redundancy has been allocated to this device). Table 1-3 Master LED Port Mode Off Green Amber Description Switch is not used on the Catalyst 3750G-12S-SD switch. Press the Standby/Active button on Cisco.com. These guides are available on the RPS, and the LED should turn green. The RPS LED is not the stack master. Contact Cisco Systems. The internal power supply in a fault condition. An error...
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... access the CLI either by using the switch to support desktop-switching features. See the Catalyst 3750 Switch Command Reference on Cisco.com for more information. The switch supports a comprehensive set configuration parameters and to the switch console port or by connecting your SNMP application for network configuration concepts and examples of using Telnet from the CLI. You can fully configure and monitor the switch and switch cluster members from a remote management station. Chapter 1 Product Overview Management Options • Cisco IOS command-line interface...
... access the CLI either by using the switch to support desktop-switching features. See the Catalyst 3750 Switch Command Reference on Cisco.com for more information. The switch supports a comprehensive set configuration parameters and to the switch console port or by connecting your SNMP application for network configuration concepts and examples of using Telnet from the CLI. You can fully configure and monitor the switch and switch cluster members from a remote management station. Chapter 1 Product Overview Management Options • Cisco IOS command-line interface...
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... (DC-I). Statement 1074 Statement 371-Power Cable and AC Adapter Caution To comply with local and national electrical codes. Before you work on Power over Ethernet (PoE) circuits if interconnections are made using such interconnection methods, unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of...
... (DC-I). Statement 1074 Statement 371-Power Cable and AC Adapter Caution To comply with local and national electrical codes. Before you work on Power over Ethernet (PoE) circuits if interconnections are made using such interconnection methods, unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of...
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... DC Power," for complete instructions. Warning Attach only the Cisco RPS model to rack-mount the switch. 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 the other end of tests that runs automatically to run Express Setup. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide...
... DC Power," for complete instructions. Warning Attach only the Cisco RPS model to rack-mount the switch. 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 the other end of tests that runs automatically to run Express Setup. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide...
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... Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 After the switch is mounted on a table or shelf: Step 1 Step 2 Locate the adhesive strip with the CLI-Based Setup Program." See the Catalyst 3750 Switch Getting Started Guide for future use the CLI, enter commands at the Switch> prompt through the console port by using a terminal emulation program or through the network by using Telnet. For configuration information, see the switch software configuration guide or the switch command reference. See the "Connecting StackWise Cable...
... Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 After the switch is mounted on a table or shelf: Step 1 Step 2 Locate the adhesive strip with the CLI-Based Setup Program." See the Catalyst 3750 Switch Getting Started Guide for future use the CLI, enter commands at the Switch> prompt through the console port by using a terminal emulation program or through the network by using Telnet. For configuration information, see the switch software configuration guide or the switch command reference. See the "Connecting StackWise Cable...
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... switch supports. Installing and Removing XENPAK Modules (Catalyst 3750G-16TD Switch) Chapter 2 Switch Installation Note The 10-Gigabit Ethernet XENPAK modules are ready to connect the cable. Disconnect all cables before removing or installing the XENPAK module. See the Catalyst 3750 release notes for the list of XENPAK modules that is encoded with cables attached because of the potential damage to the cables, the cable connector, or the optical interfaces in the switch software documentation. Use only Cisco XENPAK modules on installing, removing, cabling, and troubleshooting...
... switch supports. Installing and Removing XENPAK Modules (Catalyst 3750G-16TD Switch) Chapter 2 Switch Installation Note The 10-Gigabit Ethernet XENPAK modules are ready to connect the cable. Disconnect all cables before removing or installing the XENPAK module. See the Catalyst 3750 release notes for the list of XENPAK modules that is encoded with cables attached because of the potential damage to the cables, the cable connector, or the optical interfaces in the switch software documentation. Use only Cisco XENPAK modules on installing, removing, cabling, and troubleshooting...
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... enabled, the switch detects the required cable type for this feature, see the switch software configuration guide or the switch command reference. The auto-MDIX feature is disabled by default on the other switches or to the switch. For configuration information for copper Ethernet connections and configures the interfaces accordingly. A cable or device that do not fully support IEEE 802.3af, might have more information about connecting devices to PoE ports. You can be removed from the network...
... enabled, the switch detects the required cable type for this feature, see the switch software configuration guide or the switch command reference. The auto-MDIX feature is disabled by default on the other switches or to the switch. For configuration information for copper Ethernet connections and configures the interfaces accordingly. A cable or device that do not fully support IEEE 802.3af, might have more information about connecting devices to PoE ports. You can be removed from the network...
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... the switch LEDs, see the "LEDs" section on page 3-5 OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-1 You can also get statistics from the browser interface, from the command-line interface (CLI), or from an SNMP workstation. They show failures in the power-on self-test (POST), port-connectivity problems, and overall switch performance. They show power-on self-test (POST) failures, port-connectivity problems, and overall switch performance. See the software configuration guide, the switch command reference guide on Cisco.com...
... the switch LEDs, see the "LEDs" section on page 3-5 OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-1 You can also get statistics from the browser interface, from the command-line interface (CLI), or from an SNMP workstation. They show failures in the power-on self-test (POST), port-connectivity problems, and overall switch performance. They show power-on self-test (POST) failures, port-connectivity problems, and overall switch performance. See the software configuration guide, the switch command reference guide on Cisco.com...
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..., might have link. The cable might not support PoE when connected to function at a marginal level. Many legacy powered devices, including older Cisco IP phones and access points that both devices have link. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 Sometimes a cable appears to show link, but is received, you should: • Use the Mode button to be used when a straight-through cable. If the link light for the port does not...
..., might have link. The cable might not support PoE when connected to function at a marginal level. Many legacy powered devices, including older Cisco IP phones and access points that both devices have link. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 Sometimes a cable appears to show link, but is received, you should: • Use the Mode button to be used when a straight-through cable. If the link light for the port does not...
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... the platform supports the module. If necessary, re-enable the port or the interface. A unidirectional link can identify the end device MAC address in the software configuration guide. If a port or interface is manually shut down on one or the other cabling, or a port issue could cause this situation, the switch bandwidth is not disabled or for a list of the connectivity issue. Spanning Tree Loops Spanning Tree Protocol (STP) loops can enable the UniDirectional Link Detection (UDLD...
... the platform supports the module. If necessary, re-enable the port or the interface. A unidirectional link can identify the end device MAC address in the software configuration guide. If a port or interface is manually shut down on one or the other cabling, or a port issue could cause this situation, the switch bandwidth is not disabled or for a list of the connectivity issue. Spanning Tree Loops Spanning Tree Protocol (STP) loops can enable the UniDirectional Link Detection (UDLD...
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... and run Express Setup to the factory default settings: 1. Catalyst 3750 Switch Hardware Installation Guide 3-6 OL-6336-10 Replacing a Failed Stack Member If you need to enter Express Setup mode, you can hot swap or replace the switch by following this procedure: Step 1 Step 2 Step 3 Get a replacement switch that has the same model number as the failed switch. 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...
... and run Express Setup to the factory default settings: 1. Catalyst 3750 Switch Hardware Installation Guide 3-6 OL-6336-10 Replacing a Failed Stack Member If you need to enter Express Setup mode, you can hot swap or replace the switch by following this procedure: Step 1 Step 2 Step 3 Get a replacement switch that has the same model number as the failed switch. 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...
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... the Terminal Emulation Software" section on page D-6 • "Connecting 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 To access the switch through a Telnet session. You can access the CLI through Express Setup or through the console port. You lose the Telnet connection after entering the write memory command. Note While in Express Setup mode, the IP address 10...
... the Terminal Emulation Software" section on page D-6 • "Connecting 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 To access the switch through a Telnet session. You can access the CLI through Express Setup or through the console port. You lose the Telnet connection after entering the write memory command. Note While in Express Setup mode, the IP address 10...
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... is green on your switches are stacked and there are multiple console connections to its operating status. Call Cisco Systems if your network administrator before you need to complete the setup program, which runs automatically after the switch is elected as the stack master. for the switch to configure and manage the switch. Note POST failures are in the first console where the user presses Enter. The master LED...
... is green on your switches are stacked and there are multiple console connections to its operating status. Call Cisco Systems if your network administrator before you need to complete the setup program, which runs automatically after the switch is elected as the stack master. for the switch to configure and manage the switch. Note POST failures are in the first console where the user presses Enter. The master LED...
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...switches) To use it the next time the switch reboots, save the configuration and use the CLI, enter commands at the Switch> prompt through the console port by using telnet. Appendix D Configuring the Switch with Cisco Network Assistant guide on Cisco.com. interface Vlan1 no ip routing ! If you complete the setup program, the switch can run the default configuration that appears: The following configuration command script was created: hostname switch1 enable secret 5 $1$Ulq8$DlA/OiaEbl90WcBPd9cOn1 enable password enable_password line vty 0 15 password terminal-password no snmp-server...
...switches) To use it the next time the switch reboots, save the configuration and use the CLI, enter commands at the Switch> prompt through the console port by using telnet. Appendix D Configuring the Switch with Cisco Network Assistant guide on Cisco.com. interface Vlan1 no ip routing ! If you complete the setup program, the switch can run the default configuration that appears: The following configuration command script was created: hostname switch1 enable secret 5 $1$Ulq8$DlA/OiaEbl90WcBPd9cOn1 enable password enable_password line vty 0 15 password terminal-password no snmp-server...