Loading IOS on an ASR 1001 Router

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  • Cabling
    • Connect to the serial console
    • Connect the MGMT interface to your LAN
  • Configuration via Serial Console
    • Quit the config dialogue
    • Configure Interface GigabitEthernet 0 (that's the MGMT Interface, actually) to a static address in your LAN and un-shut it.
    • Check if it works: ping vrf Mgmt-intf
    • Copy the new IOS file via TFTP (SCP doesn't work) to bootflash: copy tftp: bootflash:
    • Unset the BOOT variable (in conf mode): no boot system
    • Set the BOOT variable to the new image (in conf mode): boot system flash bootflash:asr1001-universalk9.03.08.01.S.153-1.S1.bin
    • write memory
    • Check the BOOT variable with the show bootvar command, it must now look like this:
      • BOOT variable = bootflash:asr1001-universalk9.03.08.01.S.153-1.S1.bin,1;
    • reload the router and check it boots the right image.