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LAP won't join WLC - Lwapp discovery request rejected

Matt Smeltzer
Level 1
Level 1

We are setting up a WLC 7500 for the first time and are having a hard time trying to connect an LAP to the WLC. We have 1042 Access Points.

Reason for last unsucessful attempt: to many concurrent ap image downloads

Last Error Occurred: Lwapp discovery request rejected

Last Error Occurred Reason: Too many concurrent AP image downloads

We only have 1 AP plugged in so far and it does recieve an IP address from DHCP.

Any ideas would be greatly appreciated.

Thanks

Matt

15 Replies 15

Surendra BG
Cisco Employee
Cisco Employee

Hi Matt,

Where is the DHCP pool configured?? whats the switchport configuration??

What does the console logs say on the AP??

Regards

Surendra

Regards
Surendra BG

Thanks for the reply!

DHCP pool is configured with option 43 to be have 10.10.60.1 our dhcp is 10.10.50.x but all clients on the 50 can ping the .60 range we have that setup here. The AP get's an IP of 10.10.50.183 when trying to join.

Switches are configured as access ports on the same vlan as the management vlan on the WLC

Console logs are as follows:

Compiled Tue 01-Jun-10 12:53 by prod_rel_team

*Mar  1 00:12:18.033: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY

*Mar  1 00:12:18.976: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0, changed state to up

*Mar  1 00:12:30.206: %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.10.50.183, mask 255.255.0.0, hostname AP44d3.caaf.4e08

*Mar  1 00:12:39.463: %CDP_PD-2-POWER_LOW: All radios disabled - NEGOTIATED WS-C3560-8PC (0024.f701.9b84)

Translating "CISCO-CAPWAP-CONTROLLER.hrsb.ns.ca"...domain server (10.10.10.8) [OK]

*Mar  1 00:12:47.999: %CAPWAP-3-ERRORLOG: Did not get log server settings from DHCP.

*Mar  1 00:13:40.002: %CAPWAP-5-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.

Not in Bound state.

*Mar  1 00:13:48.513: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination.

*Mar  1 00:13:48.635: %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.10.50.183, mask 255.255.0.0, hostname AP44d3.caaf.4e08

*Mar  1 00:13:56.508: %CAPWAP-3-ERRORLOG: Did not get log server settings from DHCP.

*Mar  1 00:14:36.668: %CDP_PD-2-POWER_LOW: All radios disabled - NEGOTIATED WS-C3560-8PC (0024.f701.9b84)

*Mar  1 00:14:37.509: %CAPWAP-5-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.

Not in Bound state.

*Mar  1 00:14:46.016: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination.

*Mar  1 00:14:46.138: %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.10.50.183, mask 255.255.0.0, hostname AP44d3.caaf.4e08

i can ping 10.10.60.1 from anywhere, and i can ping 10.10.50.x addresses from the WLC

Any thoughts...

Much appreicated.

matt

i have set dhcp option 43 to our controller ip address 10.10.60.1

i have also set capwap and lwapp in dns to the 10.10.60.1 address... which is the management address of the controller

thanks

matt

Check the time settings on the controller. The controller can refuse settings if the time is too far apart.

Is your dns pointer entry cisco-capwap-controller.yourcompany.com or cisco-lwapp-controller.your.company.com?

Make sure you have the required vlans on the trunk port to the controller. I see you can ping the .60 range, but can the clients ping the controller management address?

Matt,

Do these APs use self-signed certs (SSCs) or manufacturer installed certs (MICs)?

Debug pm pki enable on the controller to see if you need to add an SSC entry. And make sure the WLC is configured to accept both MICs and SSCs under Security/AP Policies.

Config auth-list add ssc

Sent from Cisco Technical Support iPad App

Leo Laohoo
Hall of Fame
Hall of Fame
We are setting up a WLC 7500 for the first time and are having a hard time trying to connect an LAP to the WLC. We have 1042 Access Points.

I'm reading the data sheet for the 1040 and I don't see anywhere about "mesh" being mentioned.  I guess it's not supported.

But when you go to the 7500 data sheet, it's mentioned.

1040s support mesh ... granted i just got back from the bar and ive been drinking heavily ..

"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
___________________________________________________________

i may have parked the boat all crooked but i sure got this right ...

http://www.cisco.com/en/US/products/hw/wireless/products_category_buyers_guide.html

1040 supports mesh

"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
___________________________________________________________

Nice find George. 

thanks buddy

"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
___________________________________________________________

Great collaboration guys

Thanks for your contribution.

Sent from Cisco Technical Support iPhone App

Thanks & Regards

SSC and MIC certs have been added

one thing i do notice is on the ap in console mode after it boots up and get's it's ip, after about 50 seconds it says can't find wlc with it's ip renewing ip, I have tried the lwapp command to static enter the wlc ip, with no go still... is there something maybe where it doesn't have enough time to scan for it since it's a 255.255.0.0 subnet??

thanks

matt

Try with network 255.255.255.0 in that way u will eliminate one problem, if exists.

ISSUED RESOLVED:

we had a flex 7500 replaced and the ap count license wasn't installed on replaced unit, license was installed and we are back up and going..

thanks everyone

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