It is a Campus AP. being used as a Campus AP. We have MPLS network at the remote site.
AP pings the master and vice versa.
Everything is assigned static to AP.
Purged the AP and set env multiple times. no result.
Did packet capture at switch.
heres the o/p
192.168.255.2 - CONTROLLER
192.168.8.7 - AP
*Sep 2 20:43:46.864: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, sending full packet
*Sep 2 20:43:46.864: UDP src=1204, dst=3078
*Sep 2 20:43:47.648: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.648: UDP src=3078, dst=1204, Common Flow Table(5), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.648: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.648: UDP src=3078, dst=1204, Stateful Inspection(7), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.648: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.648: UDP src=3078, dst=1204, MCI Check(101), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.648: IP: tableid=0, s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), routed via RIB
*Sep 2 20:43:47.648: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), g=192.168.8.7, len 544, forward
*Sep 2 20:43:47.648: UDP src=3078, dst=1204
*Sep 2 20:43:47.652: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), len 544, sending full packet
*Sep 2 20:43:47.652: UDP src=3078, dst=1204
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2, len 32, input feature
*Sep 2 20:43:47.676: UDP src=1204, dst=3078, MCI Check(101), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.676: IP: tableid=0, s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), routed via RIB
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.676: UDP src=1204, dst=3078, Common Flow Table(28), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.676: UDP src=1204, dst=3078, Stateful Inspection(29), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.676: UDP src=1204, dst=3078, CCE Post NAT Classification(41), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.676: UDP src=1204, dst=3078, QoS Marking(68), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), g=10.250.80.66, len 32, forward
*Sep 2 20:43:47.676: UDP src=1204, dst=3078
*Sep 2 20:43:47.676: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, sending full packet
*Sep 2 20:43:47.676: UDP src=1204, dst=3078
*Sep 2 20:43:47.932: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.932: UDP src=3078, dst=1204, Common Flow Table(5), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.932: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.932: UDP src=3078, dst=1204, Stateful Inspection(7), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.932: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:47.932: UDP src=3078, dst=1204, MCI Check(101), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.932: IP: tableid=0, s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), routed via RIB
*Sep 2 20:43:47.932: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), g=192.168.8.7, len 544, forward
*Sep 2 20:43:47.932: UDP src=3078, dst=1204
*Sep 2 20:43:47.932: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), len 544, sending full packet
*Sep 2 20:43:47.932: UDP src=3078, dst=1204
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2, len 32, input feature
*Sep 2 20:43:47.944: UDP src=1204, dst=3078, MCI Check(101), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.944: IP: tableid=0, s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), routed via RIB
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.944: UDP src=1204, dst=3078, Common Flow Table(28), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.944: UDP src=1204, dst=3078, Stateful Inspection(29), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.944: UDP src=1204, dst=3078, CCE Post NAT Classification(41), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, output feature
*Sep 2 20:43:47.944: UDP src=1204, dst=3078, QoS Marking(68), rtype 1, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), g=10.250.80.66, len 32, forward
*Sep 2 20:43:47.944: UDP src=1204, dst=3078
*Sep 2 20:43:47.944: IP: s=192.168.8.7 (GigabitEthernet0/1.10), d=192.168.255.2 (GigabitEthernet0/0.50), len 32, sending full packet
*Sep 2 20:43:47.944: UDP src=1204, dst=3078
*Sep 2 20:43:48.724: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:48.724: UDP src=3078, dst=1204, Common Flow Table(5), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:48.724: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:48.724: UDP src=3078, dst=1204, Stateful Inspection(7), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:48.724: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7, len 544, input feature
*Sep 2 20:43:48.724: UDP src=3078, dst=1204, MCI Check(101), rtype 0, forus FALSE, sendself FALSE, mtu 0, fwdchk FALSE
*Sep 2 20:43:48.728: IP: tableid=0, s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), routed via RIB
*Sep 2 20:43:48.728: IP: s=192.168.255.2 (GigabitEthernet0/0.50), d=192.168.8.7 (GigabitEthernet0/1.10), g=192.168.8.7, len 544, forward