AP DHCP issues after that 4500 IOS upgraded

Hello

Since we went to-: cat4500e-entservicesk9 - mz.122 - 54.SG.bin on our 4500 we had problems with our AP CAPWAP onto our 5500 controller.

Debugs showed AP, that he cannot receive the IP address.

DHCP: SDiscover 302 bytes
* 00:37:02.140 Mar 1: B'cast on the interface GigabitEthernet0 0.0.0.0
* 00:37:03.999 Mar 1: % CAPWAP-3-Journal of ERRORS: do not send discovery request AP doesn't have an Ip address.
* 00:37:06.141 Mar 1: DHCP: attempt to SDiscover # 3 for entry:
* 00:37:06.141 Mar 1: Temp IP addr: 0.0.0.0 for peer on Interface: GigabitEthernet0
* 00:37:06.141 Mar 1: Temp subnet mask: 0.0.0.0
* 00:37:06.141 Mar 1: DHCP Lease server: 0.0.0.0, State: 1 selection
* 00:37:06.141 Mar 1: DHCP transaction id: BF5
* 00:37:06.141 Mar 1: lease: 0 seconds, renewal: 0 seconds, relink: 0 seconds
* 00:37:06.141 Mar 1: next timer triggers after: 00:00:04
* 00:37:06.141 Mar 1: number of attempts: 3 Client-ID: f866.f21d.39d4
* 00:37:06.141 Mar 1: hexadecimal dumping ID Client: F866F21D39D4
* 00:37:06.141 Mar 1: host name: APf866.f21d.39d4
* 00:37:06.141 Mar 1: DHCP: set SDiscover option class-id: 436973636F204150206333353030
* 00:37:06.141 Mar 1: DHCP: SDiscover: sending of DHCP package for the length 302 bytes
* 00:37:06.141 Mar 1: DHCP: 302 SDiscover bytes
* 00:37:06.141 Mar 1: B'cast on the interface GigabitEthernet0 0.0.0.0
* 00:37:10.143 Mar 1: DHCP: QScan: Timed out selecting State
* 00:37:13.999 Mar 1: % CAPWAP-3-Journal of ERRORS: do not send discovery request AP doesn't have an Ip address. DHCP problem % unknown... No possible allocation
* 00:37:19.265 Mar 1: DHCP: waiting for 10 seconds on the interface GigabitEthernet0
Not in a bound State.

I did debug on the controller, it gives the address over and over again. I don't see any message CAPWAP and the AP do not have an IP address.

Not sure if I should roll back IOS, I see not an IOS cause such a problem?

Any information would be appreciated...

Thank you

Brad

Can do without the configuration of the DHCP server to any device L3 just in order to test?

http://Tools.Cisco.com/support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCth68708

Bugs are always trigger... they don't knock code time that execute us...

It will be great if we could apply externally and do a test...

Let me know if that answers your question...

Concerning
Surendra
====
Please do not forget to note positions that answered your question and mark as answer or was useful

Tags: Cisco Wireless

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