dear siri two Cisco CSS11501 they work in redundant i finish the configuration but when i try to access the application using the VIP it's fail with the att. is configuration for both CSS any help

i have cisco wireless controller 526 with access point 521 every thing work great but when i use cisco configuration assisstant software i can't view the access point in the toplogy view i only see the controller and the switch

i  have cisco wireless controller 526 with 6 access point 521 which is the limit for one controller how can i add another controller with additional three access point , the exiting controller with the 6 access point work great

i face a problem with the VLAN , i try to create more than one VLAN and there is a Microsoft DHCP server to provide the IP address , i create the vlan and there is a ping between the vlans on the core switch and i can get an ip address form the dhcp ...

i have a cisco 4507 Switch connected to ISA server with a DHCP with different DHCP scoop but when i try to connect a pc with different VLAN than the native one it can't an IP address from the DHCP server so what is the command which allow the DHCP tr...