Hi Sherrikhan,There are two communication:1. AP to WLC via CAPWAP2. WLC to core(switch)/infrastructure. for 2 you need to create user vlans on wlc as well as on switch.In case of Vlan subnet change, you need to update client subent but for AP vlan cr...
Antenna is a passive device. It is recommended to use cisco antenna with cisco APs. I dont see antenna info here but It should work fine.For more info on Cisco Aironet Antennas refer: https://www.cisco.com/c/en/us/products/collateral/wireless/aironet...
Typically AP will get IP address and WLC IP address info from DHCP (via IP helper address here). Then AP just need L3 connectivity to communicate with WLC. It establish a CAPWAP tunnel with WLC. Hope it helps!
Noise is the RF energy which AP can not decode.
Interference in 802.11 RF energy i.e AP can decode it.
So higher interference means there is another wifi device nearby on that channel.
Hope it helps!
