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Upgrading ASA and ASDM Images on New ASA

By November 5, 2018September 18th, 2020Blog, Cisco, Networking

If you have a new ASA and would like to upgrade the ASA and ASDM image before configuration, here’s a quick walkthrough of how to do just that using the command-line interface (CLI).

Step 1: Acquire the software from

Step 2: Check for free space

(it’s good to get the practice of doing this, especially for upgrading ASAs that are in production)

ciscoasa# show flash: | include free

Step 3: Open ASDM to

***NOTE*** is usually the default IP for ASAs, however, if yours is different, use the default IP your device is using

Step 4: Use ASDM to upload both ASDM and ASA images

  1. Tools > File Management > Between PC and Flash
  2. Drag and drop files from your computer location to ASDM

***NOTE*** There will be no username or password since this will be the first login.

Step 5: Remove current boot image with following command:

ciscoasa(config)# no boot system disk0:/asa982-lfbff-k8.SPA

Step 6: Add boot command to new image with following command:

ciscoasa(config)#  boot system disk0:/asa983-lfbff-k8.SPA

Step 7: Add boot command to boot old image as fallback with following command:

ciscoasa(config)#  boot system disk0:/asa982-lfbff-k8.SPA

Step 8: Remove old ASDM image with following command:

ciscoasa(config)#  no asdm image disk0:asdm-782.bin

Step 9: Add ASDM new image with the following command:

ciscoasa(config)#  asdm image disk0:asdm-792-152.bin

Step 10: Save your configuration

ciscoasa# write mem

Step 11: relaod box using:

ciscoasa# reload

Step 12: Verify you have the correct ASA and ASDM images once the box reloads

ciscoasa# show version | include image

ciscoasa# show asdm image

Alison Wallick, PEI


Other Networking Basics:

Taking and Restoring ASDM Backups

Setting up SSH and Local Authentication 

Adding and Removing Devices from the Meraki Dashboard

Setting Up New Meraki Access Points

Upgrading an ASA ROMMON Version

Configuring a Cisco Router as DHCP Server

Site-to-Site VPN between Meraki and ASA

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