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Need help to understand the MEMORY output on WLC

Unanswered Question
Oct 8th, 2014
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Hi All,

 

Will be glad if someone can help me to understand the below output from WLC. Actually i want to know the FLASH & RAM size of my WLC so what i did. I run the command '' show memory statistics'' and below is what i have got. Can someone elaborate this

 

System Memory Statistics:
Total System Memory............: 259112960 bytes  (i believe this is the flash size 256Mb ???)
Used System Memory.............: 154288128 bytes
Free System Memory.............: 104824832 bytes
Bytes allocated from RTOS......: 13717504 bytes
Chunks Free....................: 24 bytes
Number of mmapped regions......: 37
Total space in mmapped regions.: 23429120 bytes
Total allocated space..........: 13399760 bytes
Total non-inuse space..........: 317744 bytes
Top-most releasable space......: 61832 bytes
Total allocated (incl mmap)....: 37146624 bytes
Total used (incl mmap).........: 36828880 bytes
Total free (incl mmap).........: 317744 bytes

 

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Rasika Nayanajith Wed, 10/08/2014 - 16:52
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Hi Salman,

Yes, that value give the RAM size of your WLC.

259112960 bytes  valued correlated to ( or 23040 KB or ~248 MB ) dividing by 1024. So I think it is 256MB RAM.

I do not think flash size can be determine by this output.

Refer this post as it relate to your query as well

https://supportforums.cisco.com/discussion/12023396/ram-size-5508-and-5760-wireless-lan-controllers

 

HTH

Rasika

*** Pls rate all useful responses ****

salman abid Wed, 10/08/2014 - 21:33
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Hi Manannalage,

 

Thanks for the reply. Now how i'll be able to see flash size?? as i have multiple types of WLC 2100series, 4400 series & 5500 series

Rasika Nayanajith Wed, 10/08/2014 - 22:21
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Hi Salman,

I do not know a command to look at this detail for AireOS WLCs ( in IOS WLC it is "show ver"). Unless Cisco publish these detail I do not think you can find it.

By the way what is the importance of finding this ?

Pls do not forget to rate our responses if that is useful

 

HTH

Rasika

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