Cisco switches import IOS via console

Source: Internet
Author: User
Tags switches

Preparation instructions:

SECURECRT software is installed on the computer

Import IOS:

First step: Use SECURECRT to connect to the switch. Enter Rommon mode (ctrl+break key combination)

The second part: Set the baud rate is 115200. Adjust the baud rate, can greatly reduce the time to fill iOS, if it is the default of 9600, it takes 4 hours, only 30 minutes after the change, after the screen garbled, need to reset the CRT, and adjust the baud rate consistent, and then reconnect.

Switch: baud=115200

  Step three: Upload iOS

Switch: flash_init
Initializing Flash ...
... The flash is already initialized.
Setting console baud rate to 115200 ...

Switch: load_helperswitch: copy
Begin the Xmodem or xmodem-1k transfer now ...
-When C is waiting for you to send a file via the Xmodem protocol, select Transfer->>> send xmodem->>> on the CRT to select the iOS file!

   The above method is especially suitable for cases where the switch iOS is damaged or mistakenly deleted, which causes it not to start properly. If the switch can be started normally using TFTP and other network mode is very convenient.

Cisco switches import IOS via console

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.