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Memory Issue in CISCO1905/K9 due to NAT Translation

I have two Cisco 1905/k9 router as a internet gateway, One is configured as primary and another is configured as secondary. If i Pass traffic and use NAT on primary everything going smooth. But if i pass traffic through Secondary i receive the below error and unable to login also.

%SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x23F24BBC, alignment 8

Pool: Processor  Free: 177124  Cause: Memory fragmentation

Alternate Pool: None  Free: 0  Cause: No Alternate pool

-Process= "IP Input", ipl= 0, pid= 116

-Traceback= 23F0621Cz 23F14DC4z 23EFB564z 23F10EA4z 25D37FB4z 25D38158z 21120890z 21120D64z 211216B8z 21121DECz 2112452Cz 231B6934z 2318A690z 2116DE40z 2116F114z 21157B80z

%SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for ipnat node. No memory available -Process= "Chunk Manager", ipl= 4, pid= 1

-Traceback= 23EEFD40z 23EEFD24z

%SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for ipnat node. No memory available -Process= "Chunk Manager", ipl= 4, pid= 1

-Traceback= 23EEFD40z 23EEFD24z

When i gone through few doc and forum, Solution given as ip nat translation timeout <seconds> but it doesn't work.

------------------ show ip nat statistics ------------------

Total active translations: 5460 (12 static, 5448 dynamic; 5448 extended)

Peak translations: 5460, occurred 00:12:25 ago

Outside interfaces:

  GigabitEthernet0/1

Inside interfaces:

  GigabitEthernet0/0

Hits: 283881  Misses: 0

CEF Translated packets: 275269, CEF Punted packets: 17366

Expired translations: 1247

Everyone's tags (4)
2 REPLIES
Community Member

Hi Sri, did you solved the

Hi Sri, did you solved the problem with the router??, i have the same problem...

VIP Purple

If our getting mallocfails in

If our getting mallocfails in logs you have most likely triggered a bug in IOS and its causing a leak , I would upgrade the IOS as soon as possible to fix the issue

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