I know this is an old thread, but maybe you could help I'm trying to upgrade from sip88xx.10-4-1OD-164-3PCC to cp-88xx.11-0-0MPP-7 via https what am I doing wrongI can download the files directly through a web browser, so the web server is ok. 

Hi,I am trying to find out if you can do multiple ip's or a whole subnet on the wan interface's of this router.Did you find if this this is possible with this router and if how?thanksNik