My LAP1522HZ is not able to communicate with controller.

Hi All,
   one of my company's Project ,I need to configure LAP1522 series Lightweight AP. When I connect my LAP to switch port .It pull out IP address from DHCP.I configured DHCP option 43 on that subnet.All Other lightweigh APs are working fine.When I ping that Ip address from the switch where I configured LAP it just give 100% loss.Also MAC-Address on that port show me two mac-address entry from that port.Please let me know If you experienced same issue in the past and any solutions on this.
Device ID: APc40a.cb68.6320
Entry address(es):
IP address: 10.38.114.36
Platform: cisco AIR-LAP1522HZ-A-K9 , Capabilities: Trans-Bridge
Interface: FastEthernet1/0/26, Port ID (outgoing port): GigabitEthernet0
Holdtime : 108 sec
Version :
Cisco IOS Software, C1520 Software (C1520-K9W8-M), Version 12.4(23c)JA2, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 13-Apr-11 13:15 by prod_rel_team
advertisement version: 2
Duplex: full
Power drawn: 10.200 Watts
Power request id: 38703, Power management id: 1
Power request levels are:0 0 0 0 0
Management address(es):
ping 10.38.114.36
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.38.114.36, timeout is 2 seconds:
Success rate is 0 percent (0/5)
sh mac-address-table int fa1/0/26
          Mac Address Table
Vlan    Mac Address       Type        Ports
23    c40a.cb68.6320    DYNAMIC     Fa1/0/26
23    c40a.cb68.641c    DYNAMIC     Fa1/0/26
Total Mac Addresses for this criterion: 2
I just configured similar LAP on neighboring port and it works fine.
sh cdp neig fa1/0/21 detail
Device ID: ........(Name of LAP)
Entry address(es):
IP address: 10.38.114.35
Platform: cisco AIR-LAP1522HZ-A-K9 , Capabilities: Trans-Bridge
Interface: FastEthernet1/0/21, Port ID (outgoing port): GigabitEthernet0
Holdtime : 160 sec
Version :
Cisco IOS Software, C1520 Software (C1520-K9W8-M), Version 12.4(23c)JA2, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 13-Apr-11 13:15 by prod_rel_team
advertisement version: 2
Duplex: full
Power drawn: 10.200 Watts
Power request id: 7043, Power management id: 1
Power request levels are:0 0 0 0 0
Management address(es):
ping 10.38.114.35
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.38.114.35, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
sh mac-address-table int fa1/0/21
          Mac Address Table
Vlan    Mac Address       Type        Ports
23    0023.ac1a.3f00    DYNAMIC     Fa1/0/21
Total Mac Addresses for this criterion: 1

I cant do that.It's production switch and dont want to reset ARP entries.
Regards,
Atit Patel

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