When you do the "show version" command on a Cisco networking device you get some basic software and hardware information, including the amount of RAM which is shown like this: http://gyazo.com/52bbfa7c6742558daae799d6189ccd6c

What I don't get is why it says "61440K/4088K bytes of memory", why are there two values and why are they different?

  • its likely ( total memory available / memory used )
    – Ramhound
    Mar 6, 2014 at 17:40

1 Answer 1


According to this it is displaying free memory / used memory which makes sense since the two values add up to 64MB which is a common amount for similiar devices.


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