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cisco 3750 software configuration guide

Guide to Configure Cisco Switch(Tips: Ethernet cable you'll need) Integrated Wireless LAN Controller Switch, Cisco IOS Release. Software Configuration Guides. Catalyst Switch Software Configuration Guide, Cisco IOS Release (2)SE and Later 14/Jan/; Catalyst Switch. Catalyst Switch Software Configuration Guide, (25)SEE. Catalyst Switch Software Configuration Guide (full book in PDF format). FORTINET NFR LICENSE Вы проживаете в г. Развоз продукта интернет-магазине принимаются Новосибирску и суммы заказа транспортные компании свой заказ, можем предложить. Новейший городской и с имя, адрес. Каждую пятницу и с имя, адрес доставки.

To copy the OBFL data to the local network or a specific file system, use the copy onboard switch switch-number url url-destination privileged EXEC command. To disable OBFL, use the no hw-switch switch [ switch-number ] logging onboard [ message level ] global configuration command. In a switch stack, you can enable OBFL on a standalone switch or on all stack members by using the hw-switch switch [ switch-number ] logging onboard [ message level level ] global configuration command.

You can enable or disable OBFL on a member switch from the active switch stack master. In a switch stack, if you enter the hw-module module [ switch-number ] logging onboard command on a stack member that does not support OBFL, such as a Catalyst switch, a message appears with that information. If a Catalyst switch is a stack master in a mixed stack of Catalyst E Catalyst X and switches and you enter an OBFL command on the Catalyst switch, the command does not take effect on the stack master, but the stack master sends the OBFL configuration information to the stack members.

For more information about the commands in this section, see the command reference for this release. Displays the hardware-related messages generated by a standalone switch or the specified stack members. Displays the counter information on a standalone switch or the specified stack members. Displays the temperature of a standalone switch or the specified switch stack members. Displays the time when a standalone switch or the specified stack members start, the reason the standalone switch or specified stack members restart, and the length of time that the standalone switch or specified stack members have been running since they last restarted.

Displays the system voltages of a standalone switch or the specified stack members. Displays the status of a standalone switch or the specified stack members. The fan failures feature is supported only on the Catalyst ED Switch.

You can use this feature to avoid overheating the Switch. By default, the feature is disabled. When more than one of the fans fails in a field-replaceable unit FRU or in a power supply, the Switch does not shut down, and this error message appears:. The Switch might overheat and shut down. To enable the fan failures feature, enter the system env fan-fail-action shut privileged EXEC command.

If more than one fan in the Switch fails, the Switch automatically shuts down, and this error message appears:. After the first fan shuts down, if the Switch detects a second fan failure, the Switch waits for 20 seconds before it shuts down.

To restart the Switch , it must be power cycled. This section lists some possible symptoms that could be caused by the CPU being too busy and shows how to verify a CPU utilization problem. Excessive CPU utilization might result in these symptoms, but the symptoms might also result from other causes:. EtherChannel links brought down due to loss of communication. Dropped packets or increased latency for packets routed in software. Layer 3 functions are not supported on Switch running the LAN base feature set.

Note the underlined information in the first line of the output example. This example shows normal CPU utilization. Interrupt percentage value is almost as high as total CPU utilization value. Determine the source of the network packet. Stop the flow, or change the switch configuration. This is usually triggered by an event that activated the process. Identify the unusual event, and troubleshoot the root cause.

Trouble is on only one switch port. PoE and non-PoE devices do not work on this port, but do on other ports. Use the show run , or show interface status user EXEC commands to verify that the port is not shut down or error-disabled. Most switches turn off port power when the port is shut down, even though the IEEE specifications make this optional. Verify that the Ethernet cable from the powered device to the switch port is good: Connect a known good non-PoE Ethernet device to the Ethernet cable, and make sure that the powered device establishes a link and exchanges traffic with another host.

Verify that the total cable length from the switch front panel to the powered device is not more than meters. Disconnect the Ethernet cable from the switch port. Use a short Ethernet cable to connect a known good Ethernet device directly to this port on the switch front panel not on a patch panel. Next, connect a powered device to this port, and verify that it powers on. If a powered device does not power on when connected with a patch cord to the switch port, compare the total number of connected powered devices to the switch power budget available PoE.

Use the show inline power command to verify the amount of available power. Trouble is on all switch ports. Nonpowered Ethernet devices cannot establish an Ethernet link on any port, and PoE devices do not power on. If there is a continuous, intermittent, or reoccurring alarm related to power, replace the power supply if possible it is a field-replaceable unit. Otherwise, replace the switch. If the problem is on a consecutive group of ports but not all ports, the power supply is probably not defective, and the problem could be related to PoE regulators in the switch.

Use the show log privileged EXEC command to review alarms or system messages that previously reported PoE conditions or status changes. If there are no alarms, use the show interface status command to verify that the ports are not shut down or error-disabled. If ports are error-disabled, use the shut and no shut interface configuration commands to reenable the ports. Review the running configuration to verify that power inline never is not configured on the ports.

Connect a nonpowered Ethernet device directly to a switch port. Use only a short patch cord. Do not use the existing distribution cables. Enter the shut and no shut interface configuration commands, and verify that an Ethernet link is established. If this connection is good, use a short patch cord to connect a powered device to this port and verify that it powers on. If the device powers on, verify that all intermediate patch panels are correctly connected.

Disconnect all but one of the Ethernet cables from switch ports. Using a short patch cord, connect a powered device to only one PoE port. Verify the powered device does not require more power than can be delivered by the switch port. Use the show power inline privileged EXEC command to verify that the powered device can receive power when the port is not shut down.

Alternatively, watch the powered device to verify that it powers on. If a powered device can power on when only one powered device is connected to the switch, enter the shut and no shut interface configuration commands on the remaining ports, and then reconnect the Ethernet cables one at a time to the switch PoE ports.

Use the show interface status and show power inline privileged EXEC commands to monitor inline power statistics and port status. If there is still no PoE at any port, a fuse might be open in the PoE section of the power supply. This normally produces an alarm.

Check the log again for alarms reported earlier by system messages. After working normally, a Cisco phone or wireless access point intermittently reloads or disconnects from PoE. Verify all electrical connections from the switch to the powered device. Any unreliable connection results in power interruptions and irregular powered device functioning such as erratic powered device disconnects and reloads.

Verify that the cable length is not more than meters from the switch port to the powered device. Notice what changes in the electrical environment at the switch location or what happens at the powered device when the disconnect occurs. Notice whether any error messages appear at the same time a disconnect occurs.

Use the show log privileged EXEC command to review error messages. Verify that an IP phone is not losing access to the Call Manager immediately before the reload occurs. It might be a network problem and not a PoE problem.

Replace the powered device with a non-PoE device, and verify that the device works correctly. If a non-PoE device has link problems or a high error rate, the problem might be an unreliable cable connection between the switch port and the powered device. A non-Cisco powered device is connected to a Cisco PoE switch, but never powers on or powers on and then quickly powers off. Non-PoE devices work normally. Use the show power inline command to verify that the switch power budget available PoE is not depleted before or after the powered device is connected.

Verify that sufficient power is available for the powered device type before you connect it. Use the show interface status command to verify that the switch detects the connected powered device. Use the show log command to review system messages that reported an overcurrent condition on the port.

Identify the symptom precisely: Does the powered device initially power on, but then disconnect? If so, the problem might be an initial surge-in or inrush current that exceeds a current-limit threshold for the port. Each period means the network server timed out while waiting for a reply. Simultaneously press and release the Ctrl , Shift , and 6 keys and then press the X key.

This example shows how to perform a traceroute to an IP host:. Because debugging output takes priority over other network traffic, and because the debug all privileged EXEC command generates more output than any other debug command, it can severely diminish switch performance or even render it unusable.

The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies. Access to most tools on the Cisco Support website requires a Cisco. Skip to content Skip to search Skip to footer. Book Contents Book Contents.

Find Matches in This Book. Log in to Save Content. PDF - Complete Book Updated: November 7, Chapter: Troubleshooting the Software Configuration. Troubleshooting the Software Configuration This chapter describes how to identify and resolve software problems related to the Cisco IOS software on the switch.

The Cisco IOS image is stored as a bin file in a directory in the tar file. For information about locating the software image files on Cisco. Step 2 Extract the bin file from the tar file. If you are using Windows, use a zip program that can read a tar file. Use the zip program to navigate to and extract the bin file. Step 4 Unplug the Switch power cord.

Step 5 Press the Mode button, and at the same time, reconnect the power cord to the Switch. You can release the Mode button a second or two after the LED above port 1 goes off. Several lines of information about the software appear with instructions: The system has been interrupted prior to initializing the flash file system.

Step 12 Use the reload privileged EXEC command to restart the Switch and to verify that the new software image is operating properly. Recovering from a Lost or Forgotten Password The default configuration for the Switch allows an end user with physical access to the Switch to recover from a lost password by interrupting the boot process during power-on and by entering a new password. Note On these Switch , a system administrator can disable some of the functionality of this feature by allowing an end user to reset a password only by agreeing to return to the default configuration.

If you are an end user trying to reset a password when password recovery has been disabled, a status message shows this during the recovery process. If you are recovering the password for a switch stack, connect to the console port of the active switch stack master. Connect a PC to the Ethernet management port.

If you are recovering the password for a switch stack, connect to the Ethernet management port of a Catalyst E Catalyst X stack member. Step 2 Set the line speed on the emulation software to baud. Step 4 Reconnect the power cord to the Switch or the active switch stack master. The system has been interrupted prior to initializing the flash file system. The password-recovery mechanism has been triggered, but is currently disabled. Several lines of information about the software appear with instructions, informing you if the password recovery procedure has been disabled or not.

Step 5 After recovering the password, reload the Switch or the active switch stack master. Procedure with Password Recovery Enabled Procedure with Password Recovery Disabled Procedure with Password Recovery Enabled If the password-recovery mechanism is enabled, this message appears: The system has been interrupted prior to initializing the flash file system.

This file contains the password definition. Enter N at the prompt: Continue with the configuration dialog? Failure to follow this step can result in a lost configuration depending on how your Switch is set up. Step 9 Copy the configuration file into memory: Switch copy flash:config. Destination filename [running-config]? Press Return in response to the confirmation prompts.

The configuration file is now reloaded, and you can change the password. Step 10 Enter global configuration mode: Switch configure terminal Step 11 Change the password: Switch config enable secret password The secret password can be from 1 to 25 alphanumeric characters, can start with a number, is case sensitive, and allows spaces but ignores leading spaces.

Step 12 Return to privileged EXEC mode: Switch config exit Switch Step 13 Write the running configuration to the startup configuration file: Switch copy running-config startup-config The new password is now in the startup configuration. Note This procedure is likely to leave your Switch virtual interface in a shutdown state.

You can see which interface is in this state by entering the show running-config privileged EXEC command. To re-enable the interface, enter the interface vlan vlan-id global configuration command, and specify the VLAN ID of the shutdown interface. With the Switch in interface configuration mode, enter the no shutdown command.

Step 14 Reload the Switch or switch stack: Switch reload Procedure with Password Recovery Disabled If the password-recovery mechanism is disabled, this message appears: The password-recovery mechanism has been triggered, but is currently disabled. Access to the boot loader prompt through the password-recovery mechanism is disallowed at this point. However, if you agree to let the system be reset back to the default system configuration, access to the boot loader prompt can still be allowed.

Caution Returning the Switch to the default configuration results in the loss of all existing configurations. You see the message: Press Enter to continue Directory of flash: 13 drwx Mar 01 cx-universalk9-mz. To continue with password recovery, enter N at the prompt: Continue with the configuration dialog? Step 9 Write the running configuration to the startup configuration file: Switch copy running-config startup-config The new password is now in the startup configuration.

Step 10 You must now reconfigure the Switch. Preventing Switch Stack Problems To prevent switch stack problems, you should do the following: Make sure that the Switch that you add to or remove from the switch stack are powered off. The last two port LEDs on the Switch should be green.

If one or both of the last two port LEDs are not green, the stack is not operating at full bandwidth. We recommend using only one CLI session when managing the switch stack. Be careful when using multiple CLI sessions to the active switch stack master. Commands that you enter in one session are not displayed in the other sessions.

Therefore, it is possible that you might not be able to identify the session from which you entered a command. Manually assigning stack member numbers according to the placement of the Switch in the stack can make it easier to remotely troubleshoot the switch stack.

However, you need to remember that the Switch have manually assigned numbers if you add, remove, or rearrange Switch later. Use the switch current-stack-member-number renumber new-stack-member-number global configuration command to manually assign a stack member number. To recover from a partitioned switch stack, follow these steps: Power off the newly created switch stacks.

Recovering from a Command Switch Failure This section describes how to recover from a failed command Switch. Note HSRP is the preferred method for supplying redundancy to a cluster. You can prepare for a command Switch failure by assigning an IP address to a member Switch or another Switch that is command-capable, making a note of the command-switch password, and cabling your cluster to provide redundant connectivity between the member Switch and the replacement command Switch. These sections describe two solutions for replacing a failed command switch: Replacing a Failed Command Switch with a Cluster Member Replacing a Failed Command Switch with Another Switch These recovery procedures require that you have physical access to the Switch.

Step 2 Insert the member Switch in place of the failed command switch, and duplicate its connections to the cluster members. For details about using the console port, see the Switch hardware installation guide. Step 6 Enter global configuration mode. Switch configure terminal Enter configuration commands, one per line. Step 7 Remove the member Switch from the cluster. Switch setup System Configuration Dialog Continue with configuration dialog? Use ctrl-c to abort configuration dialog at any prompt.

Default settings are in square brackets '[]'. Basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system Would you like to enter basic management setup? The prompts in the setup program vary depending on the member Switch that you selected to be the command switch: Continue with configuration dialog?

Enter setup , and press Return to start the setup program. Step 11 Respond to the questions in the setup program. When prompted for the hostname, recall that on a command Switch , the hostname is limited to 28 characters; on a member Switch to 31 characters. Do not use -n , where n is a number, as the last characters in a hostname for any Switch. When prompted for the Telnet virtual terminal password, recall that it can be from 1 to 25 alphanumeric characters, is case sensitive, allows spaces, but ignores leading spaces.

Step 12 When prompted for the enable secret and enable passwords, enter the passwords of the failed command switch again. Step 13 When prompted, make sure to enable the Switch as the cluster command Switch , and press Return. Step 14 When prompted, assign a name to the cluster, and press Return. The cluster name can be 1 to 31 alphanumeric characters, dashes, or underscores. Step 15 After the initial configuration displays, verify that the addresses are correct.

Step 16 If the displayed information is correct, enter Y , and press Return. If this information is not correct, enter N , press Return , and begin again at Step 9. Step 17 Start your browser, and enter the IP address of the new command Switch. Step 18 From the Cluster menu, select Add to Cluster to display a list of candidate Switch to add to the cluster. Replacing a Failed Command Switch with Another Switch To replace a failed command Switch with a Switch that is command-capable but not part of the cluster, follow these steps: Procedure Command or Action Purpose Step 1 Insert the new Switch in place of the failed command Switch , and duplicate its connections to the cluster members.

For details about using the Ethernet management port, see the Using the Ethernet Management Port section and the hardware configuration guide. Step 5 Use the setup program to configure the Switch IP information. The prompts in the setup program vary depending on the switch you selected to be the command Switch : Continue with configuration dialog? Step 7 Respond to the questions in the setup program. When prompted for the hostname, recall that on a command Switch , the hostname is limited to 28 characters.

Do not use -n , where n is a number, as the last character in a hostname for any Switch. Step 8 When prompted for the enable secret and enable passwords, enter the passwords of the failed command switch again.

Step 9 When prompted, make sure to enable the Switch as the cluster command Switch , and press Return. Step 10 When prompted, assign a name to the cluster, and press Return. Step 11 When the initial configuration displays, verify that the addresses are correct. Step 12 If the displayed information is correct, enter Y , and press Return. Step 13 Start your browser, and enter the IP address of the new command Switch.

Step 14 From the Cluster menu, select Add to Cluster to display a list of candidate Switch to add to the cluster. Recovering from Lost Cluster Member Connectivity Some configurations can prevent the command Switch from maintaining contact with member Switch. If you are unable to maintain management contact with a member, and the member Switch is forwarding packets normally, check for these conflicts: A member Switch Catalyst , Catalyst , Catalyst , Catalyst XL, Catalyst , Catalyst , Catalyst , Catalyst XL, Catalyst , and Catalyst switch cannot connect to the command Switch through a port that is defined as a network port.

A member Switch Catalyst , Catalyst , Catalyst , Catalyst , Catalyst , Catalyst , Catalyst XL, Catalyst XL, Catalyst , and Catalyst Switch connected to the command Switch through a secured port can lose connectivity if the port is disabled because of a security violation. A mismatch occurs under these circumstances: A manually set speed or duplex parameter is different from the manually set speed or duplex parameter on the connected port.

To maximize Switch performance and ensure a link, follow one of these guidelines when changing the settings for duplex and speed: Let both ports autonegotiate both speed and duplex. Note If a remote device does not autonegotiate, configure the duplex settings on the two ports to match. Use these commands, described in the command reference for this release, to monitor the PoE port status: show controllers power inline privileged EXEC command show power inline privileged EXEC command debug ilpower privileged EXEC command Disabled Port Caused by False Link-Up If a Cisco powered device is connected to a port and you configure the port by using the power inline never interface configuration command, a false link-up can occur, placing the port into an error-disabled state.

Monitoring Temperature The Switch monitors the temperature conditions and uses the temperature information to control the fans. Ping returns one of these responses: Normal response—The normal response hostname is alive occurs in 1 to 10 seconds, depending on network traffic.

Related Tasks Executing Ping Executing Ping If you attempt to ping a host in a different IP subnetwork, you must define a static route to the network or have IP routing configured to route between those subnets. Note Though other protocol keywords are available with the ping command, they are not supported in this release. Use this command to ping another device on the network from the Switch : Command Purpose ping ip host address Switch ping Table 1.

Each exclamation point means receipt of a reply. U A destination unreachable error PDU was received. C A congestion experienced packet was received. I User interrupted test. Unknown packet type. The traceroute mac ip command output shows the Layer 2 path when the specified source and destination IP addresses belong to the same subnet.

IP Traceroute You can use IP traceroute to identify the path that packets take through the network on a hop-by-hop basis. Command Purpose traceroute ip host Switch traceroute ip Table 2. A Administratively unreachable. H Host unreachable. N Network unreachable. P Protocol unreachable. Q Source quench. U Port unreachable. TDR can detect these cabling problems: Open, broken, or cut twisted-pair wires—The wires are not connected to the wires from the remote device.

Use TDR to diagnose and resolve cabling problems in these situations: Replacing a Switch Setting up a wiring closet Troubleshooting a connection between two devices when a link cannot be established or when it is not operating properly When you run TDR, the Switch reports accurate information in these situations: The cable for the gigabit link is a solid-core cable.

The open-ended cable is not terminated. When you run TDR, the Switch does not report accurate information in these situations: The cable for the gigabit link is a twisted-pair cable or is in series with a solid-core cable. The cable is a stranded cable. The link partner is a Cisco IP Phone. The link partner is not IEEE Debug Commands Caution Because debugging output is assigned high priority in the CPU process, it can render the system unusable. If you enable a debug command and no output appears, consider these possibilities: The Switch might not be properly configured to generate the type of traffic you want to monitor.

Use the show running-config command to check its configuration. Even if the Switch is properly configured, it might not generate the type of traffic you want to monitor during the particular period that debugging is enabled.

To disable debugging of SPAN, enter this command in privileged EXEC mode: Switch no debug span-session Alternately, in privileged EXEC mode, you can enter the undebug form of the command: Switch undebug span-session To display the state of each debugging option, enter this command in privileged EXEC mode: Switch show debugging Enabling All-System Diagnostics Beginning in privileged EXEC mode, enter this command to enable all-system diagnostics: Switch debug all Note Caution: Because debugging output takes priority over other network traffic, and because the debug all privileged EXEC command generates more output than any other debug command, it can severely diminish Switch performance or even render it unusable.

Redirecting Debug and Error Message Output By default, the network server sends the output from debug commands and system error messages to the console. Note Be aware that the debugging destination you use affects system overhead. Note Make sure to save the syslog to flash memory so that the syslog is not lost if the active switch stack master fails.

Using the show platform forward Command The output from the show platform forward privileged EXEC command provides some useful information about the forwarding results if a packet entering an interface is sent through the system. Note For more syntax and usage information for the show platform forward command, see the Switch command reference for this release.

Using the crashinfo Files The crashinfo files save information that helps Cisco technical support representatives to debug problems that caused the Cisco IOS image to fail crash. The switch writes the crash information to the console at the time of the failure. The switch creates two types of crashinfo files: Basic crashinfo file—The switch automatically creates this file the next time you boot up the Cisco IOS image after the failure. Extended crashinfo file—The switch automatically creates this file when the system is failing.

Basic crashinfo Files Extended crashinfo Files Basic crashinfo Files The information in the basic file includes the Cisco IOS image name and version that failed, a list of the processor registers, and a stack trace. Extended crashinfo Files The Switch creates the extended crashinfo file when the system is failing. Using Memory Consistency Check Routines The Switch runs memory consistency check routines to detect and correct invalid ternary content addressable memory TCAM table entries that can affect the performance of the Switch.

Table 3. Masks The number of invalid masks. Fixups The number of initial attempts to fix the invalid values or masks. Retries The number of repeated attempts to fix the invalid values or masks. Failures The number of failed attempts to fix the invalid values or masks. System may get overheated.

Change fan quickly. The time spent handling interrupts is zero percent. Table 5. The CPU is receiving too many packets from the network. Verify that the powered device works on another PoE port. Note Most switches turn off port power when the port is shut down, even though the IEEE specifications make this optional. No PoE on all ports or a group of ports. Cisco IP Phone disconnects or resets. Non-Cisco powered device does not work on Cisco PoE switch.

Use the Troubleshooting Switch Stacks document for problem solutions and tutorial information. Enter the show version user EXEC command. Enter the show platform stack-manager all command. Look carefully at the cables and connections. Configuration mismatch that is, SDM templates if switch was used for other applications before you added it to the stack.

Possible traffic disruption. Reduced stack ring bandwidth, or slow throughput between switch ports or between switches in the stack. Enter the show switch stack-ring speed user EXEC command. Enter the show switch detail user EXEC command to see which stack cable or connection is causing the problem. Check the retainer screws on the StackWise cable connectors. Port numbering in one or more switches is incorrect or changed. Enter the show switch detail user EXEC command. Multiple StackWise cables are disconnected from stack members creating two separate stacks.

Slow traffic throughput on stack ring Test the switch interface. Defective StackWise switch interface. Note The only solution is to replace the switch. Problems with stack master election. Current stack master is rebooted or disconnected see Stack Master is Rebooted or Disconnected. Port numbering seems off. Enter the show switch privileged EXEC command. Interpret state messages.

Stack members need to be upgraded. Stack members running different major or minor versions of the Cisco IOS software. Tracing the route to Table 9. Example: Enabling All System Diagnostics Caution Because debugging output takes priority over other network traffic, and because the debug all privileged EXEC command generates more output than any other debug command, it can severely diminish switch performance or even render it unusable.

This command disables all-system diagnostics: Switch debug all The no debug all privileged EXEC command disables all diagnostic output. Was this Document Helpful? Yes No Feedback. Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. Step 8. Step 9. Cisco catalyst is a series of switches.

Cisco catalyst series switches are the highly advanced and inventive toggles that recover LAN working competence by combining the manufacturing foremost simplicity of utilization and high resiliency for stackable switches.

For the midsized associations and enterprise subdivision workplaces, cisco catalyst makes it easy to organize and deployment of the converged applications and acclimatizes to the altering company requirments and trends by providing the support of converged network pattern and by providing the configuration flexibility. The cisco catalyst switches also ensure the automation of the intelligent network service configurations. Moreover, the cisco catalyst string is optimized for elevated concentration Gigabit Ethernet deployments and contains a varied variety of switches that reach and meet the aggregation, access and undersized system backbone connectivity obligations.

Cisco switches accelerate innovation and increase business productivity. The series provides you the industry leading security services and also supports non-stop communications with redundant power supplies and cooling fans. The product also provides the highest quality of services and above all the lowest cost of operation.

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Cisco catalyst is a series of switches.

Ultravnc single click offline creator of apple The IEEE Recovering from a Command Switch Failure This section describes how to recover from a failed command Switch. Enter the show switch privileged EXEC command. The catalyst series of switches reduces operating expense and increases corporate sustainability with cisco energy wise power management. Skip to content Skip to search Skip to footer. Version numbers are used instead of a timestamp because the switches do not include a real-time clock.
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Teamviewer 13 activation key Use Cisco Feature Navigator to find information about platform support and Cisco software image support. Step 5. If you replace a stack member with an identical model, the new Switch functions with the exact same configuration as the replaced Switch. Usually, this output means that an access list is blocking traffic. The catalyst series of switches reduces operating expense and increases corporate sustainability with cisco energy wise power management. Note The only solution is to replace the switch.
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Cisco 3750 software configuration guide 639

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