What is Cisco Kron?
Kron is a Cisco-specific backup and restore utility. Kron preserves all Cisco iOS configurations, including passwords, in a compressed tarball. The tarball can be restored on any Cisco router or switch with an identical model and iOS release.
How is Cisco Kron used?
The Cisco Kron utility can be used in two ways:
1. To back up your Cisco router or switch configuration:
The kron backup command creates a compressed tarball of your router or switch configuration. The tarball can be restored on any Cisco router or switch with an identical model and iOS release.
2. To restore your Cisco router or switch configuration:
The kron restore command restores a compressed tarball of your router or switch configuration.
What are the benefits of using Cisco Kron?
The main benefits of using Cisco Kron are:
1. It preserves all Cisco iOS configurations, including passwords, in a compressed tarball.
2. The tarball can be restored on any Cisco router or switch with an identical model and iOS release.
3. It is a Cisco-specific backup and restore utility.
What are the requirements for using Cisco Kron?
The requirements for using Cisco Kron are:
1. You must be running Cisco iOS Release 12.4(24)T or later.
2. Your router or switch must have an identical model and iOS release.
3. You must have an archive server that can store the compressed tarball.
Contents
How do I backup my TFTP server running config?
A TFTP server is a crucial part of a network. It allows for the transfer of files between devices on a network. The files can be used for anything from loading new firmware onto a device to configuring a device. If the TFTP server is running a configuration that you want to keep, it’s important to back it up.
There are a few ways to back up a TFTP server running config. One way is to use a TFTP client to download the config file from the server. Another way is to use a TFTP server to upload the config file to another TFTP server.
If you want to use a TFTP client to download the config file from the server, you’ll need to know the IP address of the TFTP server and the name of the file that you want to download. To use a TFTP client to upload a config file to a TFTP server, you’ll need the IP address of the TFTP server and the name of the file that you want to upload.
If you want to use a TFTP server to upload a config file to another TFTP server, you’ll need the IP addresses of both TFTP servers and the name of the file that you want to upload.
No matter which method you choose, it’s important to make sure that you have a copy of the TFTP server running config before you need it.
How do I backup my Cisco config file?
Backing up your Cisco configuration files is an important step in protecting your network. If something happens to your routers or switches, you will need to be able to restore your network to its previous state.
There are a few different ways to back up your Cisco config files. You can use the copy command to copy the files to a USB drive, or you can use a software program like TFTP Server to save the files to a remote server.
If you are using a USB drive, you can copy the files to the drive by using the copy run start command. This will copy the running configuration to the USB drive. You can also use the copy startup-config startup-configuration command to copy the startup configuration to the USB drive.
If you are using a remote server, you can save the files by using the copy run tftp command. This will copy the running configuration to the remote server. You can also use the copy startup-config tftp command to copy the startup configuration to the remote server.
It is a good idea to back up your Cisco config files regularly so that you can restore your network if something goes wrong.
How do I automate Cisco config backups?
Configuring a Cisco device can be a daunting task. The thought of having to backup your config and store it in a safe place can be enough to make you not want to touch a Cisco device. But, with a little effort, you can automate your Cisco config backups so you don’t have to worry about them.
The first step is to gather the information you need to backup your config. This includes the device hostname, username, password, and the path to the config file. You will also need to know the IP address of the device you are configuring.
Once you have gathered this information, you can create a script to backup your Cisco config. The script will need to run as root or with sudo privileges. The following is an example script that can be used to backup your Cisco config:
#!/bin/bash
# Backup Cisco Config
#
# Usage:
# ./backup_cisco_config.sh
#
# Example:
# ./backup_cisco_config.sh cisco_router1 cisco ciscopassword /configs/cisco_router1.cfg
#
HOSTNAME=$1
USERNAME=$2
PASSWORD=$3
CONFIG_PATH=$4
if [ -z “$HOSTNAME” ] || [ -z “$USERNAME” ] || [ -z “$PASSWORD” ] || [ -z “$CONFIG_PATH” ]; then
echo “Usage: ./backup_cisco_config.sh “
exit
fi
# Connect to device
ssh -l “$USERNAME” “$HOSTNAME” “configure terminal”
# Backup config
copy running-config startup-config
exit
The script can be run on a Linux or Mac system. The first four variables are input variables and the last variable is a script variable. The script will connect to the device specified by the HOSTNAME variable and backup the running config to the startup config.
You can also use the script to backup multiple Cisco devices. Simply specify the device hostnames, usernames, passwords, and config paths in a text file and run the script with the -f flag. The following is an example text file that can be used with the script:
cisco_router1
cisco
ciscopassword
/configs/cisco_router1.cfg
cisco_router2
cisco
ciscopassword
/configs/cisco_router2.cfg
The script will backup the configs for the two devices specified in the text file.
Automating your Cisco config backups is a great way to ensure your configs are safe and easy to restore. With a little effort, you can have a script that will backup your Cisco configs for you.
How do I copy TFTP startup config?
There are a few ways to copy a TFTP startup config.
The first way is to use the copy command on the TFTP server. To do this, you will need to know the location of the startup config file on the TFTP server. You can then use the copy command to copy the file to the location on the TFTP client.
The second way is to use the TFTP client software to copy the startup config file. The TFTP client software will allow you to browse the TFTP server and copy the file to the client.
The third way is to use the FTP server software to copy the startup config file. The FTP server software will allow you to browse the TFTP server and copy the file to the client.
How do I copy a Cisco config to another switch?
Copying Cisco Configurations
There are a few ways to copy Cisco configurations between switches. One way is to use a TFTP server. Another way is to use a USB drive.
Using a TFTP Server
To copy a Cisco configuration using a TFTP server, you must first configure the TFTP server. The following steps describe how to configure a TFTP server on a Windows computer:
1. Open the Start menu and click on Programs > Accessories > Command Prompt.
2. Type the following command and press Enter:
netstat -a
3. Look for the following line in the output:
UDP 0.0.0.0:69:*
4. Copy the IP address listed after UDP. In this example, the IP address is 192.168.1.5.
5. Open a web browser and type the IP address into the address bar.
6. Click on the TFTP Server tab.
7. Click on the Add button.
8. Type the following information into the fields:
Filename: c3650-confg
IP Address: 192.168.1.5
9. Click on the Save button.
10. Click on the Connect button.
11. Drag and drop the Cisco configuration file onto the window.
12. Click on the Upload button.
13. Click on the Close button.
Using a USB Drive
To copy a Cisco configuration using a USB drive, you must first configure the USB drive. The following steps describe how to configure a USB drive on a Windows computer:
1. Open the Start menu and click on Control Panel.
2. Click on Hardware and Sound.
3. Click on Device Manager.
4. Look for the following line in the list of devices:
USB Mass Storage Device
5. Right-click on the USB Mass Storage Device and click on Properties.
6. Click on the Hardware tab.
7. Click on the Change Settings button.
8. Click on the Driver tab.
9. Click on the Update Driver button.
10. Click on the Browse my computer for driver software option.
11. Click on the Let me pick from a list of device drivers on my computer option.
12. Click on the Show All Devices option.
13. Click on the Have Disk… button.
14. Click on the Browse button.
15. Navigate to the following directory:
C:\Program Files (x86)\Jungo\WinDriver\x64
16. Click on the WinDriver64.inf file and click on the Open button.
17. Click on the OK button.
18. Click on the Close button.
19. Click on the Next button.
20. Click on the Finish button.
21. Click on the Close button.
22. Connect the USB drive to the computer.
23. Navigate to the following directory:
C:\Program Files (x86)\Jungo\WinDriver\x64
24. Copy the Cisco configuration file to the USB drive.
25. Disconnect the USB drive from the computer.
26. Connect the USB drive to the switch.
27. Navigate to the following directory:
C:\Program Files (x86)\Jungo\WinDriver\x64
28. Copy the Cisco configuration file
How do I TFTP to Cisco?
To TFTP to a Cisco device, you’ll need to first ensure that you have the correct IP address and that the device is enabled for TFTP. You can then use the TFTP command to transfer files to and from the device.
To find the IP address of a Cisco device, you can use the show ip interface brief command. This will show you a list of all the interfaces on the device, and their corresponding IP addresses.
To enable TFTP on a Cisco device, you can use the following command:
enable TFTP
You can then use the following command to transfer files to and from the device:
TFTP [source] [destination]
How do I transfer files from Cisco router to TFTP server?
Question:
How can I transfer files from a Cisco router to a TFTP server?
Answer:
There are a few different ways to transfer files from a Cisco router to a TFTP server. One way is to use the copy command. To do this, the file that you want to copy must be located in the flash memory of the router. You can then use the following command to copy the file to the TFTP server:
copy flash tftp
Another way to transfer files is to use the FTP protocol. To do this, you will need to configure the router to act as an FTP server. You can then use any standard FTP client program to upload files to the router.
Finally, you can also use the Trivial File Transfer Protocol (TFTP) to transfer files between the router and the TFTP server. To do this, you will need to configure the router to act as a TFTP server. You can then use any standard TFTP client program to upload files to the router.
