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davemiddlewick
Beginner

InsufficientFreeMemory on WS-C2960-48PST-L running c2960-lanbasek9-mz.150-2.SE4.bin

I've recently upgraded one of our WS-C2960-48PST-L switches to IOS c2960-lanbasek9-mz.150-2.SE4.bin and 'm seeing an "InsufficientFreeMemory" alert on MEM [Processor] module of the device, raised by LMS

show processes memory does suggest a potential problem:-

Processor Pool Total:   21751188 Used:   19922472 Free:    1828716

I/O Pool Total:   4194304 Used:    2611956 Free:    1582348

Driver te Pool Total:  1048576 Used:         40 Free:    1048536

Looks like around only 8% of the processor memory pool is free…  and the default threshold in LMS is 15%

Anybody else noticed this and should I be concerned about the lack of free memory available to the processor?

1 ACCEPTED SOLUTION

Accepted Solutions
Leo Laohoo
VIP Community Legend

WS-C2960-48PST

A-ha.  You're running PoE?  Do you also have Dot1X configured?

If you do (either one or both), do NOT use 15.0.  PERIOD.

Use 12.2(5)SE7 or 12.2(55)SE8. 

View solution in original post

3 REPLIES 3
Peter Paluch
Hall of Fame Cisco Employee

Dave,

Welcome to the h.e.l.l. of post-12.2(55)SE IOSes on 2960 Catalysts. If you search through this forum, there are dozens of similar reports.

Following Leo Laohoo's (our resident expert on these issues) advice, I suggest you downgrade to 12.2(55)SE7 if possible.

Check out the following threads for possibly more information:

https://supportforums.cisco.com/message/3989300#3989300

https://supportforums.cisco.com/message/3987412#3987412

https://supportforums.cisco.com/message/3983518#3983518

Best regards,

Peter

Thanks for the vote-of-confidence, Peter. 

Leo Laohoo
VIP Community Legend

WS-C2960-48PST

A-ha.  You're running PoE?  Do you also have Dot1X configured?

If you do (either one or both), do NOT use 15.0.  PERIOD.

Use 12.2(5)SE7 or 12.2(55)SE8. 

View solution in original post