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  • Cisco ASA: Upgrade and Boot

    Design & Configure

    Cisco ASA: Upgrade and Boot

    Technology: Network Security
    Area: Firewalls
    Vendor: Cisco
    Software: 8.X, 9.X
    Platform: Cisco ASA

     

     

    Ready to migrate from ASA to a supported firewall solution

     

    To upgrade ASA-OS first download a new image to disk0: (flash) for example from ftp server. After downloading, list the disk directory and make sure the right image is on:

     

    ASA# show disk
    --#-- --length-- -----date/time------ path
    95 69454656 Sep 03 2015 07:33:56 asa941-lfbff-k8.SPA
    96 26350916 Sep 03 2015 07:34:42 asdm-741.bin
    97 33 Jul 20 2016 13:01:49 .boot_string
    11 4096 Sep 03 2015 07:37:28 log
    20 4096 Sep 03 2015 07:38:34 crypto_archive
    21 4096 Sep 03 2015 07:38:52 coredumpinfo
    22 59 Sep 03 2015 07:38:52 coredumpinfo/coredump.cfg
    98 41836544 Sep 03 2015 07:43:30 asasfr-5500x-boot-5.4.1-211.img
    100 16962269 Apr 29 2016 12:31:05 anyconnect-win-4.1.06013-k9.pkg

    Set the required image to boot variable:

    ASA(config)# boot system disk0:asa941-lfbff-k8.SPA
    INFO: Converting disk0:asa941-lfbff-k8.SPA to disk0:/asa941-lfbff-k8.SPA
    ASA(config)# sh boot
    BOOT variable = disk0:/asa941-lfbff-k8.SPA
    Current BOOT variable = disk0:/asa941-lfbff-k8.SPA
    CONFIG_FILE variable =
    Current CONFIG_FILE variable =

    You can reload the ASA and wait that the new ASA-OS boots up:

    ASA#reload

     

    Author: Marcin Bialy
     
    Grandmetric