Either two servers or two interfaces on the server would be the easiest solution, you could nat one interface to go out of the DSL and the other out of Cable. Usually when you get into something like this you are looking for BGP dual homed IP ranges...
Are you trying to have both ISPs working at the same time?
Generally this kind of set up only provides redundancy but not concurrent connection with both ISPs to a webserver. As the set up at the end only allows one static route. If you are looki...
Good Design, there will be no loop as the SPF protocol will not make a looped network. Generally to loop a network you need a couple different types of routing protocols(or static routes).
Yes, its possible, refer to your versions documentation, but the basic process is as follows.
download the web auth bundle, edit files, tar them, upload the new bundle to WLC.
put the WLC SSID on pass-through(l3? authentication) and apply the web b...
Sounds really odd. check sh ip arp on the .254 when 3850-12s is .100 (im guessing standby is on somewhere if thats not it theres a typo somewhere or a bug)