cisco nexus switches basics of investing
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Cisco nexus switches basics of investing

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The default action erases the startup configuration. The boot option erases the boot variable definitions and the IPv4 configuration on the mgmt0 interface. The debug option erases the debugging configuration. The running-configuration file is not affected by this command. Optional show running-config type inactive-if-config.

The values for the type argument are aclmgr and ipqos. The values for the policy argument are qos and acl. Optional show inactive-if-config log. Displays the commands that were used to clear the inactive configurations. The configuration archive is intended to provide a mechanism to store, organize, and manage an archive of the configuration files to enhance the configuration rollback capability provided by the configure replace command.

Before configuration archiving was introduced, you could save copies of the running configuration using the copy running-config destination-url command, storing the replacement file either locally or remotely. However, this method lacked any automated file management. The configuration replace and configuration rollback provides the capability to automatically save copies of the running configuration to the configuration archive. These archived files serve as checkpoint configuration references and can be used by the configure replace command to revert to the previous configuration states.

The archive config command allows you to save configurations in the configuration archive using a standard location and filename prefix that is automatically appended with an incremental version number and optional timestamp as each consecutive file is saved. This functionality provides a means for consistent identification of saved configuration files. You can specify how many versions of the running configuration are kept in the archive.

After the maximum number of files are saved in the archive, the oldest file is automatically deleted when the next, most recent file is saved. The show archive command displays information for all configuration files saved in the configuration archive. The configuration archive, wherein the configuration files are stored and are available for use with the configure replace command, can be located on the following file systems: bootflash, FTP, and TFTP.

Before using the archive config command, the configuration archive must be configured. Complete the following steps to configure the characteristics of the configuration archive:. Specifies the location and the filename prefix for the files in the configuration archive. Depending on your hardware platform, the name of your file system can be different than the one displayed in the example.

The forward slash is not necessary after a filename; it is necessary only when specifying a directory. Optional Sets the maximum number of archive files of the running configuration to be saved in the configuration archive. The number is the maximum number of the archive files of the running configuration that can be saved in the configuration archive.

The range is 1 to The default is Before using this command, you must configure the path to specify the location and filename prefix for the files in the configuration archive. Optional Sets the time increment for automatically saving an archive file of the current running configuration in the configuration archive. The minutes argument specifies how often, in minutes, to automatically save an archive file of the current running configuration in the configuration archive.

Before using this command, you must configure the path command to specify the location and filename prefix for the files in the configuration archive. Enables the command. It is disabled by default. Entering this command causes an archive to occur when the command copy r s is performed.

You must configure the path before using the archive config command. The configuration change logging tracks the changes that are made to the running configuration by using the data in the accounting log. This configuration log tracks the changes that are initiated only through the CLI. Only complete commands that result in the invocation of action routines are logged.

The following types of entries are not logged:. The configuration log tracks the changes that are initiated only through the CLI. For each configuration command that is executed, the following information is logged:. You can display the information from the configuration log by using the show archive log config all command.

You can display the information from the configuration log by using the show archive log config command. To display the configuration log entries, the configuration change logging provides the show archive log config all command. Displays the configuration log entries by the index numbers. If you specify a number for the optional last-index, all the log entries with the index numbers in the range from the value entered for the start-number through the end-number for the specified user are displayed.

The following example displays the configuration log entry numbers 4 and 5 for a user with the username, user The range for the first-index and last-index is 1 to This example shows how to copy a running configuration to the bootflash: file system:.

This example shows how to back up the startup configuration to the bootflash: file system ASCII file :. This example shows how to back up the running configuration to the bootflash: file system ASCII file :. To roll back your configuration to a snapshot copy of a previously saved configuration, you need to perform the following steps:. Clear the current running image with the write erase command. Restart the device with the reload command. Copy the previously saved configuration file to the running configuration with the copy configuration-file running-configuration command.

Copy the running configuration to the start-up configuration with the copy running-config startup-config command. Skip to content Skip to search Skip to footer. Bias-Free Language. Bias-Free Language The documentation set for this product strives to use bias-free language. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 3. Updated: February 9, Chapter: Working with Configuration Files. Managing Configuration Files This section describes how to manage configuration files.

Step 2 copy running-config startup-config Example: switch copy running-config startup-config Copies the running configuration to the startup configuration. Copying a Configuration File to a Remote Server You can copy a configuration file stored in the internal memory to a remote server as a backup or to use for configuring other Cisco NX-OS devices. Before you begin Ensure that the configuration file that you want to download is in the correct directory on the remote server.

Step 2 Optional show running-config Example: switch show running-config Optional Displays the running configuration. Step 3 Optional copy running-config startup-config Example: switch copy running-config startup-config Optional Copies the running configuration to the startup configuration. Step 4 Optional show startup-config Example: switch show startup-config Optional Displays the startup configuration. Before you begin Log in to a session on the console port. Step 2 reload Example: switch reload This command will reboot the system.

Note Do not use the setup utility to configure the device. Step 4 copy running-config startup-config Example: switch copy running-config startup-config Saves the running configuration file to the startup configuration file. Step 5 Optional show startup-config Example: switch show startup-config Optional Displays the running configuration. Before you begin Insert the external Flash memory device into the active supervisor module. Before you begin Insert the external flash memory device into the active supervisor module.

Step 3 Optional show running-config Example: switch show running-config Optional Displays the running configuration. Step 4 Optional copy running-config startup-config Example: switch copy running-config startup-config Optional Copies the running configuration to the startup configuration. Step 5 Optional show startup-config Example: switch show startup-config Optional Displays the startup configuration.

Related Information Copying Files Copying the Startup Configuration From an External Flash Memory Device You can recover the startup configuration on your device by downloading a new startup configuration file saved on an external flash memory device. Step 3 Optional show startup-config Example: switch show startup-config Optional Displays the startup configuration. Related Information Copying Files Rolling Back to a Previous Configuration Problems, such as memory corruption, can occur that make it necessary for you to recover your configuration from a backed up version.

Note Each time that you enter a copy running-config startup-config command, a binary file is created and the ASCII file is updated. Step 2 reload Example: switch reload Restarts the device. Step 3 copy configuration-file running-configuration Example: switch copy bootflash:start-config. Note The configuration-file filename argument is case sensitive. Step 4 copy running-config startup-config Example: switch copy running-config startup-config Copies the running configuration to the start-up configuration.

Note You can only remove the configuration for an empty slot in the chassis. Step 2 purge module slot running-config Example: switch purge module 3 running-config Removes the configuration for a missing module from the running configuration. Erasing a Configuration You can erase the configuration on your device to return to the configuration defaults.

Note After you enter the write erase command, you must reload the ASCII configuration twice to apply the breakout configuration. Do you wish to proceed anyway? Note The running-configuration file is not affected by this command. The following describes the values: qos —Clears inactive QoS configurations.

Step 3 Optional show inactive-if-config log Example: show inactive-if-config log Optional Displays the commands that were used to clear the inactive configurations. Configuration Archive and Configuration Log This section contains information on configuration archive and configuration log.

Information About Configuration Archive Configuring the Characteristics of the Configuration Archive Information About Configuration Log Displaying Configuration Log Entries Information About Configuration Archive The configuration archive is intended to provide a mechanism to store, organize, and manage an archive of the configuration files to enhance the configuration rollback capability provided by the configure replace command.

Configuring the Characteristics of the Configuration Archive Before using the archive config command, the configuration archive must be configured. Step 2 switch config archive Example: switch config archive Enters the archive configuration mode. Step 3 switch config-archive path url Example: switch config-archive path bootflash:myconfig Specifies the location and the filename prefix for the files in the configuration archive. Step 4 switch config-archive maximum number Example: switch config-archive maximum 14 Optional Sets the maximum number of archive files of the running configuration to be saved in the configuration archive.

Note Before using this command, you must configure the path to specify the location and filename prefix for the files in the configuration archive. Step 5 switch config-archive time-period minutes Example: switch config-archive time-period 10 Optional Sets the time increment for automatically saving an archive file of the current running configuration in the configuration archive.

Note Before using this command, you must configure the path command to specify the location and filename prefix for the files in the configuration archive. Step 6 switch write-memory Enables the command.

Step 7 switch archive config Example: switch archive config Saves the current running configuration file to the configuration archive. Note You must configure the path before using the archive config command. Watch video Contact Cisco. Get a call from Sales. Cisco Nexus and models. Learn about the similarities and differences of the switches within this product series.

Nexus switches 4, 9, 10, and 18 slots Gbps bandwidth per slot Up to 40 GE ports and 32 GE ports Redundant supervisors. Nexus switches 2, 6, 10, and 18 slots Upto 2. Compare models View data sheets. Features and benefits.

Infrastructure scalability Virtualization, efficient power and cooling, cloud scale with automation, high density, and performance all support efficient data center growth. Operational continuity The design integrates hardware, NX-OS features, and management to support zero-downtime environments. Transport flexibility Networking technologies can be incrementally and cost-effectively adopted. Programmability with NX-OS The Series offers programmable and automation tools for zero-day to day-N configuration and management.

Accelerate your success. Solve problems faster, improve operational efficiency, and reduce your risk of downtime. For my upgrade, I need…. To enhance top-of-rack ToR agility A full stack subscription A modular-based solution Proactive operations and automation. Six keys to upgrading.

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