this a config of my ap 7522
and this is config of my controller
rfs4000 B4-C7-99-F9-B7-DD
use profile default-rfs4000
use rf-domain default
hostname rfs4000-F9B7DD
license AP DEFAULT-6AP-LICENSE
license AAP xxxxxxx
license ADSEC DEFAULT-ADV-SEC-LICENSE
ip default-gateway 172.26.1.254
interface ge1
switchport mode trunk
switchport trunk native vlan 1
no switchport trunk native tagged
switchport trunk allowed vlan 1,119,2100
interface vlan119
ip address 172.26.1.48/24
logging on
logging console warnings
logging buffered warnings
l2tpv3 tunnel vlan119
peer 1 hostname any router-id any
no local-ip-address
mtu 1460
use l2tpv3-policy default
session vlan119 pseudowire-id 119 traffic-source vlan 119
no hostname
no router-id
establishment-criteria cluster-master
no use critical-resource
no fast-failover