Hi
hope this helps..
Error Message
%BCM-4-ECC_L2CACHE : Corrected ECC from L2 cache
Explanation A soft-parity error from the Layer 2 cache has been detected and corrected. Normal system operation should continue.
Recommended Action If there is a regular or sustained occurrence of this message, copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the issue using the tools and utilities provided at http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying information. Search for resolved software issues using the Bug Toolkit at http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. If you still require assistance, open a case with the Technical Assistance Center via the Internet at http://www.cisco.com/cgi-bin/front.x/case_tools/caseOpen.pl, or contact your Cisco technical support representative and provide the representative with the information you have gathered. Attach the following information to your case in nonzipped, plain-text (.txt) format: the output of the show logging and show tech-support commands and your pertinent troubleshooting logs.
Error Message
%BCM-4-ECC_MEMORY : Corrected ECC from memory
Explanation A soft-parity error from the memory has been detected and corrected. Normal system operation should continue.
Recommended Action If there is a regular or sustained occurrence of this message, copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the issue using the tools and utilities provided at http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying information. Search for resolved software issues using the Bug Toolkit at http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. If you still require assistance, open a case with the Technical Assistance Center via the Internet at http://www.cisco.com/cgi-bin/front.x/case_tools/caseOpen.pl, or contact your Cisco technical support representative and provide the representative with the information you have gathered. Attach the following information to your case in nonzipped, plain-text (.txt) format: the output of the show logging and show tech-support commands and your pertinent troubleshooting logs
for more info do refer this link..
http://www.cisco.com/en/US/products/sw/iosswrel/ps1829/products_system_message_guide_chapter09186a00801eb2bc.html#wp771222
regds
