hi thanks for your reply  i think your senario is a bit different than me .  i have a layer 3 switch DHCP server that i only use the guest wifi to connect guest users to internet.  i am bit  confused about my vitual ip 1.1.1.1  which network mask to use .?and which protocol to select for to select DNS as destination port .  and is the  dns  host name a mandatory on my  vitual interface page and which name to use ? i have local DNS servers 10.11.159.3  and .2 but when i use 255.255.255.0 it doesn\t allow me  it obliged me to use 255.255.255.255 as network mask .  kindly for your help thanks  ... View more

Sir can you elaborate what you did on Cisco WLC to solve  ??? i have the same issue here  ... View more