I have a Mikrotik RB2011UiAS-2HnD-IN router on which I'm running
Openwrt, as there is still active development going on I need to
reload Openwrt frequently (back and forth between 14.07 and the latest
trunk, patches, etc.).

I currently use the sequence described for the MikroTik RouterBOARD
951Ui-2HnD decribed in http://wiki.openwrt.org/toh/mikrotik/rb951ui.

It's a long and quite complex sequence, approximately as follows
(ignoring any software building to start with) :-


    Copy the three files (initramfs, kernel and rootfs) to my laptop.

    Disable wi-fi on the laptop

    Set laptop to static IP in 192.168.1.0 range

    Connect patch cable from laptop to port 1 on the Mikrotik

    Reboot Mikrotik and interrupt boot to go into loader, this
    involves another PC with a serial port connected to the Mikrotik's
    comm port.

    Use the COM port console to tell the Mikrotik to boot from ethernet

    Run the BOOTP/TFTP script on the laptop to load the initramfs
    image to the Mikrotik and boot that

    Perform the sequence in http://wiki.openwrt.org/toh/mikrotik/rb951ui,
    not entirely trivial because the laptop doesn't have an internet
    connection at this point (still static and connected to the
    Mikrotik) and so one has to read from screen to screen, can't just
    cut and paste.

    Finally reboot the Mikrotik with new software installed and reset
    the laptop to normality etc.

Is there no easy way to load a new version of Openwrt over an existing
version?

-- 
Chris Green
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