Tag Archives: cisco router

VPN establishment between Hirschmann Eagle20 and Cisco router (2811)

Posted on December 4, 2012 by

The purpose of VPN is to secure the confidentiality of the communication between two sites by using encryption. Two tunnels are set up, the first tunnel is for Diffie Hellman key exchange, the second tunnel is for data transmission either … Continue reading →

Posted in Security, VPN | Tagged , , , , | Leave a comment

Cisco Router: Permanently delete files from filesystem

Posted on March 31, 2012 by

Temporarily delete files If you wish to delete file/s from Cisco router flash, you use for example: However the deleted file actually still resides in flash. Permanently delete the files from flash. To permanently clean up the [deleted] files: The … Continue reading →

Posted in Route | Tagged , | Leave a comment