low on memory on 2960

Unanswered Question
Feb 3rd, 2009

hi i have a some catalyst 2960, in my core network, but sometime any management

access to these devices is not possible ( telnet,ssh or console access). when

i try physical access (console) i have this log message "low on memory, try later".

my cpu usage is max 7%

my IOS version is c2960-lanbasek9-mz.122-44.SE1.bin

after reboot, all these acces are possible again, but this is not a

best solution because this probleme is come 2 time already, i thinks it will come agains.

before this event arrived , i saw (in sh memory output )processor free memory decrease to 0

after reboot the sh memory command give this and atually decrease again, i don't know why.

2960switch#sh memory

Head Total(b) Used(b) Free(b) Lowest(b)

Largest(b)

Processor 1AA947C 34958212 12204056 22754156 22411220

22743292

I/O 3C00000 4186112 1641764 2544348 2471632

2542960

Driver te 1000000 1048576 44 1048532 1048532

1048532

what mean processor memory (because i know it is not RAM) ? what can cause processor memory to decrease?

thank for your help

I have this problem too.
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glen.grant Tue, 02/03/2009 - 16:23

It could be a memory leak or a bug. It could be something like you do not have exec timesouts on your vty sessions and console sessions which ties up all your vty's and sucks up the memory . Look for bugs for 12.2.44 , though thats pretty new and I wouldn't expect that.

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