Ccna router ios download

Check the current value of the configuration register. You can see it on the bottom line of the show version output. It is usually set to 0x or 0x You will need this value for a later step.

Router reload Note: If you are connected through Telnet, the session is lost after the reload. Wait a few minutes and try again. It is strongly recommended that you do not perform a Cisco IOS software upgrade remotely since most disaster recovery procedures require you to be physically located where the router is installed.

Restore the previous configuration register value for the next reload. Note: Do not save the configuration while the router is in boot mode. Avoid using the save commands write mem or copy run start , and answer no to any prompt suggesting that you save your current configuration.

If you save the configuration while the router is in this mode, the configuration may be partially or completely erased. To achieve this, the router interface and the TFTP server must have: an IP address in the same range, or a default gateway configured.

See Determining IP Addresses for more details. We recommend that you keep a backup of the router or access server configuration before upgrading. However, this might happen if the right steps are not followed properly. When prompted, enter the filename of the Cisco IOS Software image to be installed, as in the following example: Source file name? Specify the destination image filename. This is the name the new software image will have when it is loaded onto the router.

Actions Shares. No notes for slide. Total views 12, On Slideshare 0. From embeds 0. Number of embeds Downloads 2, Shares 0. Comments 0. Likes You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later.

Now customize the name of a clipboard to store your clips. Connecting via Terminal Programs continued. User Interface continued. Configuration Modes continued. Plethora of Passwords continued. Enhanced Editing. Post on May 6. Networking Academy registration is open to everyone and self-learners are now allowed to download Packet Tracer. Download Cisco Packet Tracer 7. Download free Cisco Packet Tracer 8. Lab 1 : Basic switch setup. Lab 2 : Configuring switch interfaces.

Lab 4 : Port security. Lab 6 : Basic router setup. Lab 19 : ASA traffic inspection.