Introduction
How to recover the hash key off the Access Point and import it onto the controller.
Core Issue
The Lightweight Access Point Protocol (LWAPP) conversion tool saves a key hash file on the PC running the conversion application.
Resolution
SHA1 Key Hash key can be found in the file stored in Comma-Separated Values (CSV) format in the Upgrade Tool directory. This is an example:
C:\Program File\Cisco Systems\Upgrade Tool
The file is in CSV format.
Perform these steps on the controller:
Go to Security > AP Policies > Accept Self Signed Certificate (check box).
Add these under the Access Point (AP) authorization list
- The MAC address of the AP
- The certificate type
- SHA1 Key Hash (The key can be found in the file stored in CSV format in the Upgrade Tool directory.)
Enable Accept Self Signed Certificate.
More Information
Locate the SHA1 Key Hash
If the computer that performed the AP conversion is available, you can obtain the Secure Hash Algorithm 1 (SHA1) Key Hash from the .csv file that is in the Cisco Upgrade Tool directory. If the .csv file is unavailable, you can issue a debug command on the WLC in order to retrieve the SHA1 Key Hash.
Complete these steps:
Turn on the AP and connect it to the network.
Enable the debugging on the WLC command-line interface (CLI).
The command is debug pm pki enable.
(Cisco Controller) >debug pm pki enable Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: getting (old) aes ID cert handle... Mon May 22 06:34:10 2006: sshpmGetCID: called to evaluate <bsnOldDefaultIdCert> Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 0, CA cert >bsnOldDefaultCaCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 1, CA cert >bsnDefaultRootCaCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 2, CA cert >bsnDefaultCaCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 3, CA cert >bsnDefaultBuildCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 4, CA cert >cscoDefaultNewRootCaCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 5, CA cert >cscoDefaultMfgCaCert< Mon May 22 06:34:10 2006: sshpmGetCID: comparing to row 0, ID cert >bsnOldDefaultIdCert< Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Calculate SHA1 hash on Public Key Data Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 30820122 300d0609 2a864886 f70d0101 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 01050003 82010f00 3082010a 02820101 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 00c805cd 7d406ea0 cad8df69 b366fd4c Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 82fc0df0 39f2bff7 ad425fa7 face8f15 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data f356a6b3 9b876251 43b95a34 49292e11 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 038181eb 058c782e 56f0ad91 2d61a389 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data f81fa6ce cd1f400b b5cf7cef 06ba4375 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data dde0648e c4d63259 774ce74e 9e2fde19 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 0f463f9e c77b79ea 65d8639b d63aa0e3 Mon May 22 06:34:10 2006: sshpmGetIssuerHandles: Key Data 7dd485db 251e2e07 9cd31041 b0734a55 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 463fbacc 1a61502d c54e75f2 6d28fc6b Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 82315490 881e3e31 02d37140 7c9c865a Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 9ef3311b d514795f 7a9bac00 d13ff85f Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 97e1a693 f9f6c5cb 88053e8b 7fae6d67 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data ca364f6f 76cf78bc bc1acc13 0d334aa6 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 031fb2a3 b5e572df 2c831e7e f765b7e5 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data fe64641f de2a6fe3 23311756 8302b8b8 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data 1bfae1a8 eb076940 280cbed1 49b2d50f Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: Key Data f7020301 0001 Mon May 22 06:34:14 2006: sshpmGetIssuerHandles: SSC Key Hash is 9e4ddd8dfcdd8458ba7b273fc37284b31a384eb9 Mon May 22 06:34:14 2006: LWAPP Join-Request MTU path from AP 00:0e:84:32:04:f0 is 1500, remote debug mode is 0 Mon May 22 06:34:14 2006: spamRadiusProcessResponse: AP Authorization failure for 00:0e:84:32:04:f0
Problem Type
Upgrade
Products
Wireless LAN Controllers
4400 Series
2000 Series
Additional Information
Self-Signed Certificate Manual Addition to the Controller for LWAPP-Converted APs