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Dell B-FCX Setting passwords, Recovering from a lost password

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34 PowerConnect B-FCX Switch Hardware Installation Guide

53-1002267-01

Assigning permanent passwords

3

Setting passwords

1. At the opening CLI prompt, enter the following command to change to the Privileged level of the

EXEC mode:

PowerConnect> enable

2. Access the CONFIG level of the CLI by entering the following command:

PowerConnect# configure terminal

PowerConnect(config)#

3. Enter the following command to set the super user password:

PowerConnect(config)# enable super-user-password <text>

NOTE

You must set the super user password before you can set other types of passwords.

4. Enter the following commands to set the port configuration and read-only passwords:

PowerConnect(config)# enable port-config-password <text>

PowerConnect(config)# enable read-only-password <text>

NOTE

If you forget your super user password, refer to “Recovering from a lost password” on page 34.

Syntax: enable super-user-password | read-only-password | port-config-password <text>

Passwords can be up to 32 characters long.

Recovering from a lost password

By default, the CLI does not require passwords. However, if someone has configured a password

for the device but the password has been lost, you can regain super user access to the device using

the following procedure.

NOTE

Recovery from a lost password requires direct access to the serial port and a system reset.

Use the following procedure to recover from a lost password.

1. Start a CLI session over the serial interface to the Dell device.

2. Reboot the device.

3. While the system is booting, before the initial system prompt appears, enter b to enter the boot

monitor mode.

4. Enter no password at the prompt. (You cannot abbreviate this command.)

5. Enter boot system flash primary at the prompt. This command causes the device to bypass the

system password check.

After the console prompt reappears, assign a new password.

Contents

Main Page Contents About This Document Chapter 1 Product Overview Chapter 2 Installing the PowerConnect B-FCX Switch Chapter 3 Checking Network Devices and Testing Connectivity Chapter 4 Managing the PowerConnect B-FCX Hardware Chapter 5 Hardware Specifications Chapter 6 Troubleshooting Appendix A Regulatory Statements Appendix B Cautions and Danger Notices Page About This Document Audience Supported hardware and software Document conventions Related publications Getting technical help or reporting errors Contacting Dell Page Product Overview Hardware features FIGURE 1 FIGURE 2 FIGURE 3 E AIRFLOW FIGURE 6 Control features TABLE 1 Serial management interface (DB9 Console port) Out-of-band RJ45 management interface Network interfaces for PowerConnect B-FCX624s and PowerConnect B-FCX648s Network interfaces for PowerConnect B-FCX624 and PowerConnect B-FCX648 TABLE 2 Device Slot 1 Slot 2 Slot 3 SFP interfaces Table 3 describes the network interfaces supported on PowerConnect B-FCX devices. Optional two-port 10 Gbps XFP uplink module TABLE 3 Interface Show Media Description Description Optional Four-port 1 Gbps SFP and 10 Gbps SFP+ modules FIGURE 8 TABLE 4 TABLE 5 FIGURE 9 16/10 Gbps Ethernet CX4 stacking ports Port, system, and power status LEDs for PowerConnect B-FCX624s and PowerConnect B-FCX648s TABLE 6 FIGURE 10 FIGURE 11 TABLE 7 FIGURE 12 TABLE 8 TABLE 9 Both AC OK and DC OK LEDs must be green for the device to function normally. Port, system, and power status LEDs for PowerConnect B-FCX624 and PowerConnect B-FCX648 FIGURE 13 TABLE 1 0 State LED PSU1 PSU2 Switch Status Load Sharing TABLE 11 FIGURE 14 TABLE 1 2 TABLE 11 FIGURE 15 Both AC OK and DC OK LEDs must be green for the device to function normally. Power supplies TABLE 1 3 TABLE 14 State LED PSU1 PSU2 Switch Status Redundancy FIGURE 16 Power supply unit operation Installing the PowerConnect B-FCX Switch Unpacking the device Package contents General requirements Installation tasks Installation tasks Follow all precautions when installing a Dell device. Installation precautions TABLE 1 5 Task Number General precautions Lifting precautions Power precautions Preparing the installation site Cabling infrastructure Installation location Installing the device Desktop installation FIGURE 18 Rack mount installation FIGURE 19 FIGURE 20 FIGURE 21 Connecting devices in a stack PowerConnect B-FCX624s and PowerConnect B-FCX648s devices FIGURE 22 PowerConnect B-FCX624 and PowerConnect B-FCX648 devices FIGURE 23 24 PowerConnect B-FCX Switch Hardware Installation Guide 53-1002267-01 Powering on the system FastIron FCX648S Powering on the system 1357911 131517192123 Reset 1 PS 2 Diag Console Mgmt 25 27 29 31 33 35 37 39 41 43 45 47 Attaching a PC or terminal FIGURE 26 15 6 9 Installing and replacing a power supply unit TABLE 16 FIGURE 27 Installing or replacing fan trays on PowerConnect B-FCX624s and PowerConnect B-FCX648s devices FIGURE 28 Installing or replacing fan trays on PowerConnect B-FCX624 and PowerConnect B-FCX648 devices FIGURE 29 Installing an optional module on PowerConnect B-FCX624s or PowerConnect B-FCX648s devices FIGURE 30 Installing an optional module in PowerConnect B-FCX624 and PowerConnect B-FCX648 devices FIGURE 31 Page Checking Network Devices and Testing Connectivity Assigning permanent passwords Setting passwords Recovering from a lost password Configuring IP addresses Devices running Layer 2 software Devices running Layer 3 software Configuring IP parameters for devices running Layer 3 software Deleting an IP address Connecting network devices Connectors. 10/100BASE-TX Crossover Cable Cable specifications Connecting to Ethernet or fast Ethernet hubs Connecting to workstations, servers, or routers Automatic MDI or MDIX detection Connecting a network device to a fiber port Fiber Optic transceivers Installing a transceiver TABLE 17 TABLE 1 8 FIGURE 34 FIGURE 35 Cabling a fiber optic transceiver Cleaning the fiber optic connectors Testing connectivity Pinging an IP address Observing LEDs Testing connectivity TABLE 1 9 Troubleshooting network connections device) are snug. TABLE 1 9 Meaning Abnormal State Meaning or Action LED Desired State Using Virtual Cable Testing to diagnose a cable Configuration notes Command syntax Viewing the results of the cable analysis Digital optical monitoring TABLE 2 0 Page Managing the PowerConnect B-FCX Hardware Managing temperature settings Using the temperature sensor Displaying the temperature Displaying Syslog messages for temperature Changing temperature warning and shutdown levels Managing temperature settings 4 Changing the shutdown temperature Managing temperature settings Changing the temperature polling interval Removing MAC address entries Displaying PowerConnect B-FCX CPU usage Hardware maintenance schedule Replacing a copper or fiber optic module Removing a copper or fiber optic module FIGURE 36 Cabling a fiber optic module Cleaning the fiber optic connectors Page Hardware Specifications Hardware specifications Table 2 2 provides the operating environment specifications. This chapter provides the hardware specifications for PowerConnect B-FCX devices. Physical dimensions and weight Cooling system and fans TABLE 2 3 FIGURE 39 FIGURE 40 FIGURE 41 Hardware specifications 5 Pinouts and signalling This section describes the pinout diagrams for the DB-9 connector and RJ45 port jacks. 6 9 FIGURE 43 Serial (Console) port pinouts Cable specifications TABLE 2 4 Hardware specifications 5 Power cords For Class 1, 2, or 3 power usage, these devices can support up to 48 ports. AC power supply specifications TABLE 2 4 Cable Type Connector Type Core Diameter (microns) Page Troubleshooting Diagnosing switch indicators Power and cooling problems Installation In-band access A Regulatory Statements A Japan power cord Korea Russia Class A statement . Regulatory compliance Page Appendix B Cautions and Danger Notices Cautions Cautions CAUTION VORSICHT MISE EN GARDE PRECAUCIN Danger notices Danger notices Danger notices B