What is the significance of the vlan.dat file

The vlan. The memory location name where the vlan. Refer to the respective product documentation before you issue the copy command. In Cisco Catalyst 29xx series and Cisco Catalyst 35xx, series, it is referred to as flash:.

You can display the VTP information, the mode, domain, and so forth, with use of the show vtp status command. This is normal behavior of the switch. Switches that are in VTP transparent mode display the VLAN and VTP configurations in the show running-config command output because this information is also stored in the configuration text file.

In order to reset the VLAN information, you have to remove the vlan. Note: The memory location where the vlan. See the Filename and Location section in this document for more information.

See the Backup and Restore of vlan. After the switch boots up, verify if the VLAN information is set to default values. For information on the default values, see the table in the During Switch Bootup section. This means that even if the switch was originally in client mode, simply applying another saved configuration does not set it back to client mode. In order to return the switch to client mode, the network administrator needs to manually configure the system with the vtp mode client command in global configuration mode.

State Verified Answer Replies replies Related Discussions. Share More Cancel. Reply Cancel Cancel. Top Replies. Bulkar, could you please provide us with the following information?

Hello Bulkar, Thanks for the provided information. In order to enable it, please go…. Yes, i did it and it worked! And with all my cisco switches. That is great. I am surprised. I could not find any info about this feature in documentation. What am i missing? Thanks a lot. Best regards,. Hello Javier. Thanks for the response. It is the same result with all my cisco switches. Verified Answer. This can be done as well from the single authentication settings on each device.

Please let me know if this works for you and you are able to retrieve the vlan. One more thing: How can i find the vlan. VLANs work as though they are created using independent switches.

The default configuration file is stored in the VTP database, vlan. VTP configuration information is also stored in the startup configuration file. The default location of the VLAN database is in the local vlan. Enter config-register 0x Enter end, and then enter the write erase command to delete the current startup configuration on the router.

Hold the "mode" button on the front of the switch for 10 seconds. The lights will blink then go solid — the switch completely wipes all configuration and then reboots. Re: HELP: switch reset no password Power off the switch first, then press and hold the mode button while you power on the switch again. To initialize the flash file system, run the command: You can now list the contents of your flash by running.

To further boot the switch run the boot command as:. Reset Router to Default Configuration With the router powered off, connect the power cord to your router, and plug the power cord into your power source. Find the Reset button on the router. Press and hold the Reset button while you power on the router.

Release the Reset button after 10 seconds. Wait 5 to 10 minutes for the router to finish booting. To reload the switch, enter either of the following commands: reload - Use the reload command to reload the switch immediately. Make sure that you have correct console connection to Cisco Router or Switch. Connect the other end to the Serial port of your computer.