Meru Technical Note - How to debug and analyze large trace (controller/AP) files in Windows

[nsamuel]

Description

How to debug and analyze large trace (controller/AP) files in Windows

Scope

KB ARTICLE TYPE: Troubleshooting

RELATED PRODUCTS: All Meru controller and AP devices, Windows

RELATED SOFTWARE VERSIONS: NA

KEYWORDS: Trace, controller, debug, filter

Solution

Normal TAC troubleshooting sometimes mandates collection of AP and controller traces. Due to the nature of the troubleshooting exercise, it is common that these files run into sizes of nearly a GB (if not more). It becomes difficult (if not impossible) to open these editor software and then filter them for relevant data. Native MS-DOS provides a workaround that side-steps the requirement of loading editor software and consuming even more memory.

-          Use the following as syntax to use the method as felt necessary:

E.g.: On the MS-DOS prompt:
G:\Tickets\4062-8401739 - Idle i62 Ascom phones dropping off the network\18072013\Desktop>find "00:01:3e:12:cc:4d" putty_172.16.150.2_18072013_142554.log > controller-coord-trace-filtered.log

G:\Tickets\4062-8401739 - Idle i62 Ascom phones dropping off the network\18072013\Desktop>

G:\Tickets\4062-8401739 - Idle i62 Ascom phones dropping off the network\18072013\Desktop>dir

Volume in drive G is New Volume
Volume Serial Number is D612-D336

Directory of G:\Tickets\4062-8401739 - Idle i62 Ascom phones dropping off the network\18072013\Desktop

18-07-2013 19:30    <DIR>         .
18-07-2013 19:30   <DIR>         ..
18-07-2013 19:31           283,821 controller-coord-trace-filtered.log
18-07-2013 13:44           11,519 other-log.txt
18-07-2013 18:36           63,608 putty_172.16.150.2_18072013_134852.log
18-07-2013 15:52       743,371,549 putty_172.16.150.2_18072013_142554.log
18-07-2013 15:52       16,918,926 putty_172.16.150.2_18072013_155352.log
18-07-2013 15:53       19,012,139 putty_172.16.150.2_18072013_160722.log
18-07-2013 15:53       17,410,864 putty_172.16.150.2_18072013_161055.log
18-07-2013 15:53       17,319,032 putty_172.16.150.2_18072013_161242.log
18-07-2013 15:53       18,925,251 putty_172.16.150.2_18072013_161443.log
18-07-2013 15:54       19,627,348 putty_172.16.150.2_18072013_161752.log
18-07-2013 15:54       20,162,076 putty_172.16.150.2_18072013_162016.log
18-07-2013 15:50             5,423 putty_172.16.150.2_18072013_164229.log
18-07-2013 13:39           17,201 station-log.txt

             13 File(s)   873,128,757 bytes
               2 Dir(s) 20,176,a973,824 bytes free

G:\Tickets\4062-8401739 - Idle i62 Ascom phones dropping off the network\18072013\Desktop>