In the web-server content of the V7 Portal configuration you can choose the server-type type such as the CMCC IMC method, so what are they different?
The default mode is IMC, in
IMC mode the redirected http method is selected as 204 hops. If you choose the
CMCC option, the redirected http method is 302 hops. As a rule of thumb,
Android terminals generally respond faster to the 302 jump method and can feel
the redirection more quickly. The iPhone terminal does not differ much between
these two methods.