Hi, I have an issue with a Cisco G switch. The switch is currently running a rather old version of the IOS and need to be upgraded to a. Unpack the firmware: request platform software package install switch all file flash: on-reboot new auto-copy verbose. After the. 1. Verify Current IOS Version · 2. Download Latest IOS Image from Cisco Website · 3. Delete Old IOS Software Image from Flash · 4. Copy the IOS. FORD THUNDERBIRD SYMBOL по субботу задаются вопросом, о аспектах, детскую одежду пт возврата сделанные позже. Екатеринбургу, Свердловской эксклюзивные коллекции. Перед выездом Киеву Доставка вас позвонит.
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Sign in. Forgot your password? Get help. Password recovery. Internet Future. What Is a Dual Band Router? Is It Better? All Laptop. Table of Contents. Cisco Switches. We provide you with the best quality content in the online industry. How to Choosing the right SMB switches? Site Map. You can display the current default file system as specified by the cd command by using the pwd privileged EXEC command.
You can view a list of the contents of a file system before manipulating its contents. For example, before copying a new configuration file to flash memory, you might want to verify that the file system does not already contain a configuration file with the same name. Similarly, before copying a flash configuration file to another location, you might want to verify its filename for use in another command.
Display a list of open file descriptors. File descriptors are the internal representations of open files. You can use this command to see if another user has a file open. Beginning in privileged EXEC mode, follow these steps to change directories and display the working directory. For filesystem : , use flash: for the system board flash device. Beginning in privileged EXEC mode, follow these steps to create and remove a directory:.
You are prompted only once at the beginning of this deletion process. For filesystem , use flash: for the system board flash device. For file-url , enter the name of the directory to be deleted. All the files in the directory and the directory are removed. To copy a file from a source to a destination, use the copy source-url destination-url privileged EXEC command.
For the source and destination URLs, you can use running-config and startup-config keyword shortcuts. For example, the copy running-config startup-config command saves the currently running configuration file to the NVRAM section of flash memory to be used as the configuration during system initialization. You can also copy from special file systems xmodem: , ymodem: as the source for the file from a network machine that uses the Xmodem or Ymodem protocol. Network file system URLs include ftp: , rcp: , and tftp: and have these syntaxes:.
Some invalid combinations of source and destination exist. Specifically, you cannot copy these combinations:. For specific examples of using the copy command with configuration files, see the "Working with Configuration Files" section. To copy software images either by downloading a new version or by uploading the existing one, use the archive download-sw or the archive upload-sw privileged EXEC command.
For more information, see the "Working with Software Images" section. When you no longer need a file on a flash memory device, you can permanently delete it. If you omit the filesystem : option, the switch uses the default device specified by the cd command. For file-url , you specify the path directory and the name of the file to be deleted. When you attempt to delete any files, the system prompts you to confirm the deletion.
This example shows how to delete the file myconfig from the default flash memory device:. You can create a tar file and write files into it, list the files in a tar file, and extract the files from a tar file as described in the next sections. To create a tar file and write files into it, use this privileged EXEC command:. For destination-url , specify the destination URL alias for the local or network file system and the name of the tar file to create.
These options are supported:. The tar-filename. You can also specify an optional list of files or directories within the source directory to write to the new tar file. If none are specified, all files and directories at this level are written to the newly created tar file. This example shows how to create a tar file. This command writes the contents of the new-configs directory on the local flash device to a file named saved. To display the contents of a tar file on the screen, use this privileged EXEC command:.
For source-url , specify the source URL alias for the local or network file system. You can also limit the display of the files by specifying an optional list of files or directories after the tar file; then only those files appear. If none are specified, all files and directories appear. This example shows how to display the contents of a switch tar file that is in flash memory:. To extract a tar file into a directory on the flash file system, use this privileged EXEC command:.
For source-url , specify the source URL alias for the local file system. If none are specified, all files and directories are extracted. This example shows how to extract the contents of a tar file located on the TFTP server at This command extracts just the new-configs directory into the root directory on the local flash file system. The remaining files in the saved. This example shows how to display the contents of a configuration file on a TFTP server:.
Configuration files contain commands entered to customize the function of the Cisco IOS software. A way to create a basic configuration file is to use the setup program or to enter the setup privileged EXEC command. You might want to perform this for one of these reasons:. For example, you might add another switch to your network and want it to have a configuration similar to the original switch. By copying the file to the new switch, you can change the relevant parts rather than recreating the whole file.
You might perform this task to back up a current configuration file to a server before changing its contents so that you can later restore the original configuration file from the server. The protocol you use depends on which type of server you are using. Creating configuration files can aid in your switch configuration.
Configuration files can contain some or all of the commands needed to configure one or more switches. For example, you might want to download the same configuration file to several switches that have the same hardware configuration. If you are accessing the switch through a network connection instead of through a direct connection to the console port, keep in mind that some configuration changes such as changing the switch IP address or disabling ports can cause a loss of connectivity to the switch.
The switch does not erase the existing running configuration before adding the commands. If a command in the copied configuration file replaces a command in the existing configuration file, the existing command is erased. For example, if the copied configuration file contains a different IP address in a particular command than the existing configuration, the IP address in the copied configuration is used. However, some commands in the existing configuration might not be replaced or negated.
In this case, the resulting configuration file is a mixture of the existing configuration file and the copied configuration file, with the copied configuration file having precedence. Startup configuration files are used during system startup to configure the software. Running configuration files contain the current configuration of the software.
The two configuration files can be different. For example, you might want to change the configuration for a short time period rather than permanently. In this case, you would change the running configuration but not save the configuration by using the copy running-config startup-config privileged EXEC command. When creating a configuration file, you must list commands logically so that the system can respond appropriately. This is one method of creating a configuration file:. Step 1 Copy an existing configuration from a switch to a server.
Step 3 Extract the portion of the configuration file with the desired commands, and save it in a new file. Step 4 Copy the configuration file to the appropriate server location. Step 5 Make sure the permissions on the file are set to world-read. You can configure the switch by using configuration files you create, download from another switch, or download from a TFTP server.
You can copy upload configuration files to a TFTP server for storage. Before you begin downloading or uploading a configuration file by using TFTP, do these tasks:. To restart the daemon, either stop the inetd process and restart it, or enter a fastboot command on the SunOS 4.
For more information on the TFTP daemon, see the documentation for your workstation. The switch and the TFTP server must be in the same subnetwork if you do not have a router to route traffic between subnets. Check connectivity to the TFTP server by using the ping command. The permission on the file should be world-read. To create an empty file, enter the touch filename command, where filename is the name of the file you will use when uploading it to the server.
Permissions on the file should be world-write. To configure the switch by using a configuration file downloaded from a TFTP server, follow these steps:. Step 3 Log into the switch through the console port or a Telnet session. The configuration file downloads, and the commands are executed as the file is parsed line-by-line. This example shows how to configure the software from the file tokyo-confg at IP address To upload a configuration file from a switch to a TFTP server for storage, follow these steps:.
Step 2 Log into the switch through the console port or a Telnet session. This example shows how to upload a configuration file from a switch to a TFTP server:. When you copy a configuration file from the switch to a server by using FTP, the Cisco IOS software sends the first valid username in this list:. The variable username is the username associated with the current session, switchname is the configured hostname, and domain is the domain of the switch.
The username and password must be associated with an account on the FTP server. Use the ip ftp username and ip ftp password commands to specify a username and password for all copies. Include the username in the copy command if you want to specify only a username for that copy operation.
If the server has a directory structure, the configuration file is written to or copied from the directory associated with the username on the server. For example, if the configuration file resides in the home directory of a user on the server, specify that user's name as the remote username. Before you begin downloading or uploading a configuration file by using FTP, do these tasks:. The switch and the FTP server must be in the same subnetwork if you do not have a router to route traffic between subnets.
Check connectivity to the FTP server by using the ping command. You can enter the show users privileged EXEC command to view the valid username. If you do not want to use this username, create a new FTP username by using the ip ftp username username global configuration command during all copy operations. If you are accessing the switch through a Telnet session and you have a valid username, this username is used, and you do not need to set the FTP username.
Include the username in the copy command if you want to specify a username for only that copy operation. This step is required only if you override the default remote username or password see Steps 4, 5, and 6. Using FTP, copy the configuration file from a network server to the running configuration or to the startup configuration file. This example shows how to copy a configuration file named host1-confg from the netadmin1 directory on the remote server with an IP address of This example shows how to specify a remote username of netadmin1.
The software copies the configuration file host2-confg from the netadmin1 directory on the remote server with an IP address of Using FTP, store the switch running or startup configuration file to the specified location. This example shows how to copy the running configuration file named switch2-confg to the netadmin1 directory on the remote host with an IP address of This example shows how to store a startup configuration file on a server by using FTP to copy the file:.
The RCP provides another method of downloading, uploading, and copying configuration files between remote hosts and the switch. The RCP copy commands rely on the rsh server or daemon on the remote system. You only need to have access to a server that supports the remote shell rsh. Most UNIX systems support rsh. Because you are copying a file from one place to another, you must have read permission on the source file and write permission on the destination file.
If the destination file does not exist, RCP creates it for you. When you copy a configuration file from the switch to a server, the Cisco IOS software sends the first valid username in this list:. For example, if the user is connected to the router through Telnet and was authenticated through the username command, the switch software sends the Telnet username as the remote username.
For a successful RCP copy request, you must define an account on the network server for the remote username. If the server has a directory structure, the configuration file is written to or copied from the directory associated with the remote username on the server. For example, if the configuration file is in the home directory of a user on the server, specify that user's name as the remote username.
Before you begin downloading or uploading a configuration file by using RCP, do these tasks:. The switch and the server must be in the same subnetwork if you do not have a router to route traffic between subnets. Check connectivity to the RCP server by using the ping command. If you do not want to use this username, create a new RCP username by using the ip rcmd remote-username username global configuration command to be used during all copy operations. If you are accessing the switch through a Telnet session and you have a valid username, this username is used, and you do not need to set the RCP username.
For UNIX systems, you must add an entry to the. For example, suppose that the switch contains these configuration lines:. If the switch IP address translates to Switch1. This step is required only if you override the default remote username see Steps 4 and 5.
Using RCP, copy the configuration file from a network server to the running configuration or to the startup configuration file. Then it copies the configuration file host2-confg from the netadmin1 directory on the remote server with an IP address of Using RCP, copy the configuration file from a switch running or startup configuration file to a network server.
You can clear the configuration information from the startup configuration. If you reboot the switch with no startup configuration, the switch enters the setup program so that you can reconfigure the switch with all new settings. To clear the contents of your startup configuration, use the erase nvram: or the erase startup-config privileged EXEC command.
To delete a saved configuration from flash memory, use the delete flash: filename privileged EXEC command. Depending on the setting of the file prompt global configuration command, you might be prompted for confirmation before you delete a file.
By default, the switch prompts for confirmation on destructive file operations. The configuration replacement and rollback feature replaces the running configuration with any saved Cisco IOS configuration file. You can use the rollback function to roll back to a previous configuration.
To use the configuration replacement and rollback feature, you should understand these concepts:. The configuration archive provides a mechanism to store, organize, and manage an archive of configuration files. The configure replace privileged EXEC command increases the configuration rollback capability.
As an alternative, you can save copies of the running configuration by using the copy running-config destination-url privileged EXEC command, storing the replacement file either locally or remotely. However, this method lacks any automated file management. The configuration replacement and rollback feature can automatically save copies of the running configuration to the configuration archive. You use the archive config privileged EXEC command to save configurations in the configuration archive by 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.
You can specify how many versions of the running configuration are kept in the archive. After the maximum number of files are saved, the oldest file is automatically deleted when the next, most recent file is saved. The show archive privileged EXEC command displays information for all the configuration files saved in the configuration archive. The configure replace privileged EXEC command replaces the running configuration with any saved configuration file.
When you enter the configure replace command, the running configuration is compared with the specified replacement configuration, and a set of configuration differences is generated. The resulting differences are used to replace the configuration. The configuration replacement operation is usually completed in no more than three passes. To prevent looping behavior no more than five passes are performed.
You can use the copy source-url running-config privileged EXEC command to copy a stored configuration file to the running configuration. When using this command as an alternative to the configure replace target-url privileged EXEC command, note these major differences:. This command does not remove commands from the running configuration that are not present in the source file. In contrast, the configure replace target-url command removes commands from the running configuration that are not present in the replacement file and adds commands to the running configuration that are not present.
You must use a complete configuration file as the replacement file for the configure replace target-url command. You can also use the configure replace command to roll back changes that were made since the previous configuration was saved.
Instead of basing the rollback operation on a specific set of changes that were applied, the configuration rollback capability reverts to a specific configuration based on a saved configuration file. If you want the configuration rollback capability, you must first save the running configuration before making any configuration changes.
Then, after entering configuration changes, you can use that saved configuration file to roll back the changes by using the configure replace target-url command. You can specify any saved configuration file as the rollback configuration. You are not limited to a fixed number of rollbacks, as is the case in some rollback models. Follow these guidelines when configuring and performing configuration replacement and rollback:.
Otherwise, the configuration replacement operation fails. The replacement file must be a complete configuration generated by a Cisco IOS device for example, a configuration generated by the copy running-config destination-url command.
Note If you generate the replacement configuration file externally, it must comply with the format of files generated by Cisco IOS devices. Using the configure replace command with the configuration archive and with the archive config command is optional but offers significant benefit for configuration rollback scenarios.
Before using the archive config command , you must first configure the configuration archive. Starting in privileged EXEC mode, follow these steps to configure the configuration archive:. Specify the location and filename prefix for the files in the configuration archive. Optional Set the maximum number of archive files of the running configuration to be saved in the configuration archive. Valid values are from 1 to
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