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Could not discover WLC using DHCP IP. Renewing DHCP IP.

omri176789
Level 1
Level 1

Hi all,

I have a WLC model 2504 with 20 Cisco aironet 700 series.

The LAPs on the same subnet as the management interface of the controller.

It seems that all WCL settings are correct.

The problem is thate LAPs Not Joining to the Wireless LAN Controller. The CLI

displays the following error: 

Could not discover WLC using DHCP IP. Renewing DHCP IP.

Troubleshoot tested:

1.

The LAPs on the same subnet as the management interface of the controller. LAPs getting ip address from PaloAlto sub interface DHCP.

2. WLC time is correct.

3.

pinging the AP from the controller is OK.

Thanks:)

1 Accepted Solution

Accepted Solutions

Sandeep Choudhary
VIP Alumni
VIP Alumni

HI Omri,

WCL version:

Manufacturer's Name.............................. Cisco Systems Inc.

Product Name..................................... Cisco Controller

Product Version.................................. 7.0.220.0

Bootloader Version............................... 1.0.18

Field Recovery Image Version..................... 1.0.0

Firmware Version................................. PIC 16.0

Top Revision Number                  : 01

Product/Model Number                 : AIR-CAP702I-I-K9

% Please define a domain-name first.

You need atleast 7.5.102.0 version on WLC to join this AP.

As per your logs u have 7.0.22.0, please update WLC to minimum 7.5.102.0 and then try again.

Reagrds

Dont forget to rate helpful posts

View solution in original post

5 Replies 5

Sandeep Choudhary
VIP Alumni
VIP Alumni

HI Omri,

First which version IOS you ahve on your WLC.

Paste the output here from WLC: sh sysinfo

From AP: sh version

Note: 700 series AP requirement is to have minimum 7.5.102.0 version on cisco WLC.

Cisco Wireless Solutions Software Compatibility Matrix

http://www.cisco.com/en/US/docs/wireless/controller/5500/tech_notes/Wireless_Software_Compatibility_Matrix.html

Regards

Dont forget to rate helpful posts

Sandeep Choudhary
VIP Alumni
VIP Alumni

If you ahve 7.5.102.0 version on WLC then:

Console to AP and reboot it then paste the entire bootup process here.

Regards

Dont forget to rate helpful posts

Hi,

AP version:

Cisco IOS Software, ap1g1 Software (ap1g1-RCVK9W8-M), Version 15.2(4)JA, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2013 by Cisco Systems, Inc.

Compiled Tue 18-Jun-13 14:15 by prod_rel_team

ROM: Bootstrap program is ap1g1 boot loader

BOOTLDR: ap1g1 Boot Loader (ap1g1-BOOT-M), Version 15.2 [chayan-wnbu_bt_7_4_1_43 101]

WCL version:

Manufacturer's Name.............................. Cisco Systems Inc.

Product Name..................................... Cisco Controller

Product Version.................................. 7.0.220.0

Bootloader Version............................... 1.0.18

Field Recovery Image Version..................... 1.0.0

Firmware Version................................. PIC 16.0

Build Type....................................... DATA + WPS

System Name...................................... WL

System Location..................................

System Contact...................................

System ObjectID.................................. 1.3.6.1.4.1.9.1.1279

IP Address....................................... X.X.X.X

Last Reset....................................... Power on reset

System Up Time................................... 16 days 17 hrs 10 mins 35 secs

System Timezone Location......................... (GMT

Current Boot License Level....................... base

Current Boot License Type........................ Permanent

Next Boot License Level.......................... base

700 series AP bootup process;

           cisco Systems, Inc.

           170 West Tasman Drive

           San Jose, California 95134-1706

Cisco IOS Software, ap1g1 Software (ap1g1-RCVK9W8-M), Version 15.2(4)JA, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2013 by Cisco Systems, Inc.

Compiled Tue 18-Jun-13 14:15 by prod_rel_team

Initializing flashfs...

Ath Nand ID: 95:80:F1:2C:00

Using driver version 1 for media type 2

Valid buffers 121

total121  121

success found all blocks

start end 65 72

found in range

high low end 2334 2089 72

mifs[3]: 10 files, 2 directories

mifs[3]: Total bytes     : 131334144

mifs[3]: Bytes used      : 7593984

mifs[3]: Bytes available : 123740160

mifs[3]: mifs fsck took 2 seconds.

mifs[3]: Initialization complete.

...done Initializing flashfs.

Base Ethernet MAC address: 44:AD:D9:08:0A:D8

Waiting for PHY auto negotiation to complete...Port 4 Negogiation timeout.

This product contains cryptographic features and is subject to United

no ip http server

       ^

% Invalid input detected at '^' marker.

States and local country laws governing import, export, transfer and

use. Delivery of Cisco cryptographic products does not imply

third-party authority to import, export, distribute or use encryption.

Importers, exporters, distributors and users are responsible for

compliance with U.S. and local country laws. By using this product you

agree to comply with applicable laws and regulations. If you are unable

to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to

export@cisco.com.

%Error opening flash:/ap1g1-rcvk9w8-mx/info (No such file or directory)cisco AIR-CAP702I-I-K9 (MIPS74k) processor (revision 01) with 73728K/57344K bytes of memory.

Processor board ID KWC173100Y3

MIPS74k CPU at 40Mhz, revision number 0x0000

Last reset from power-on

LWAPP image version 7.5.1.33

1 Gigabit Ethernet interface

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: 44:AD:D9:08:0A:D8

Part Number                          : 74-11077-01

PCA Assembly Number                  : 000-00000-00

PCA Revision Number                  :

PCB Serial Number                    : KWC173100Y3

Top Assembly Part Number             : 000-00000-00

Top Assembly Serial Number           : KWC173100Y3

Top Revision Number                  : 01

Product/Model Number                 : AIR-CAP702I-I-K9

% Please define a domain-name first.

logging facility kern

        ^

% Invalid input detected at '^' marker.

logging trap emergencies

        ^

% Invalid input detected at '^' marker.

Press RETURN to get started!

: Mac unit                :   0

: Max segments per packet :   1

: Max tx descriptor count :   128

: Max rx descriptor count :   256

: Mac capability flags    :   4400

athr_gmac_hw_setup mac: 0x6196C7A0

Setting Drop CRC Errors, Pause Frames and Length Error frames

: cfg1 0x7 cfg2 0x7114

*Mar  1 00:00:13.727: %LWAPP-3-CLIENTERRORLOG: Config load from flash failed. Initialising Cfg

*Mar  1 00:00:13.939: %LINK-6-UPDOWN: Interface GigabitEthernet0, changed state to up

*Mar  1 00:00:16.755: %SYS-5-RESTART: System restarted --

Cisco IOS Software, ap1g1 Software (ap1g1-RCVK9W8-M), Version 15.2(4)JA, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2013 by Cisco Systems, Inc.

Compiled Tue 18-Jun-13 14:15 by prod_rel_team

*Mar  1 00:00:16.775: *** not invoke

*Mar  1 00:00:16.799: %LWAPP-3-CLIENTERRORLOG: Config load from flash failed. Initialising Cfg

*Mar  1 00:00:16.799: %CAPWAP-3-ERRORLOG: Failed to load configuration from flash. Resetting to default config

*Mar  1 00:00:16.811: %PARSER-4-BADCFG: Unexpected end of configuration file.

lwapp_crypto_init: MIC Present and Parsed Successfully

*Mar  1 00:00:17.767: %LINEPROTO-5-UPDOWN: Line protocol on Interface BVI1, changed state to up

no bridge-group 1 source-learning

                   ^

Thanks a lot!

Sandeep Choudhary
VIP Alumni
VIP Alumni

HI Omri,

WCL version:

Manufacturer's Name.............................. Cisco Systems Inc.

Product Name..................................... Cisco Controller

Product Version.................................. 7.0.220.0

Bootloader Version............................... 1.0.18

Field Recovery Image Version..................... 1.0.0

Firmware Version................................. PIC 16.0

Top Revision Number                  : 01

Product/Model Number                 : AIR-CAP702I-I-K9

% Please define a domain-name first.

You need atleast 7.5.102.0 version on WLC to join this AP.

As per your logs u have 7.0.22.0, please update WLC to minimum 7.5.102.0 and then try again.

Reagrds

Dont forget to rate helpful posts

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