Controller-less WLANs

Message exchange process during automatic IAP upgrade

Aruba Employee

What are the message exchanges involved while automatic upgrade is performed on IAP cluster?


An IAP cluster could consists of same/different model number of IAP's.

We can Check for New version from IAP's Web GUI.

Web GUI--->Maintenance-->Firmware--->Check for New Version





We need to click on Check for New version using the following steps:

Web GUI-->Maintenance-->Firmware



Once we click on Check for new version , IAP will contact 


ac:a3:1e:c5:9a:6e# show version
Aruba Operating System Software.
ArubaOS (MODEL: 215), Version
Copyright (c) 2002-2015, Aruba Networks, Inc.
Compiled on 2015-09-23 at 00:37:47 PDT (build 51810) by p4build


IAP# show log ap-debug | include awc


Mar 22 10:13:41  awc[2816]: awc_init_connection: 2004: connecting to
Mar 22 10:13:41  awc[2816]: tcp_connect: 163: recv timeout set to 5
Mar 22 10:13:41  awc[2816]: tcp_connect: 170: send timeout set to 5
Mar 22 10:13:41  awc[2816]: awc_init_connection: 2043: connected to
Mar 22 10:13:41  awc[2816]: awc_init_connection: 2085: Loading local CA certificates
Mar 22 10:13:42  awc[2816]: verify_peer_domain_name: 1066: Verifying peer domain name
Mar 22 10:13:42  awc[2816]: cert_verify_domain: 1023: certificate common-name '' matches domain name ''
Mar 22 10:13:42  awc[2816]: awc_init_connection: 2175: SSL certificate verification is successful
Mar 22 10:13:42  awc[2816]: awc_init_connection: 2178: Connected
 22 10:13:42  awc[2816]: Sent ap info in body 'CJ0080398, 18:64:72:c1:d3:fa, AP-115^M '
Mar 22 10:13:42  awc[2816]: Message over SSL from, SSL_read() returned 507, errstr=Success, Message is "HTTP/1.1 200 OK^M Date: Tue, 22 Mar 2016 17:13:42 GMT^M Content-Length: 0^M Content-Type: text/plain; charset=UTF-8^M X-Challenge: 43740564546669260708979981161958107518407475436739570985630868140579686812703548176519188419982814615774471608212510698020070873695007447695750686121349263900962651950258050263897301142490542727494960495740591^M X-Session-Id: bc00cd7e-0cfa-4bc8-ac88-6  -------------------------->> sends a challenge hash requesting for current firmware,serial no

Mar 22 10:13:44  awc[2816]: Sent header 'POST /firmware HTTP/1.1^M Host:^M Content-Length: 2542^M Connection: close^M X-Type: firmware-check^M X-Guid: ccefd96301942b6e277f607117948cff7d657d1127aa8aaa93^M X-OEM-Tag: Aruba^M X-Mode: IAP^M X-Factory-Default: No^M X-Session-Id: bc00cd7e-0cfa-4bc8-ac88-6cde36da3c36^M X-Current-Version:^M X-Ap-Info: CK0028642, ac:a3:1e:c5:9a:6e, AP-215^M X-Features: 0001100101000000000000000000000000000000001000011000000^M X-Challenge-Hash:
Mar 22 10:13:44  awc[2816]: Sent ap info in body 'CJ0080398, 18:64:72:c1:d3:fa, AP-115^M '------------------>Serial no, current firmware version is sent 
Mar 22 10:13:44  awc[2816]: Message over SSL from, SSL_read() returned 265, errstr=Success, Message is "HTTP/1.1 200 OK^M Date: Tue, 22 Mar 2016 17:13:44 GMT^M Content-Length: 552^M Content-Type: text/plain; charset=UTF-8^M X-Activation-Key: 3CNO5NTP^M X-Session-Id: bc00cd7e-0cfa-4bc8-ac88-6cde36da3c36^M X-Status-Code: success^M X-Type: firmware-check^M Connection: close^M ^M ", AWC response: (null)
Mar 22 10:13:44  awc[2816]: Message over SSL from, SSL_read() returned 552, errstr=Success, Message is "^M 26^M 23^M 30^M 10^M 25 htt
Mar 22 10:13:44  awc[2816]: isc_exit: 603: disconnected  ----------------------->Firmware returned by

Version history
Revision #:
2 of 2
Last update:
‎05-20-2016 11:05 AM
Updated by:
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