4/19/2023 0 Comments Worms reloaded deleting boardsAre you able to get a response and execute commands? After a few moments, there should be enough memory available to allow the console to respond.Ĭollect the needed information from the privileged EXEC mode (Router#). This will cause the router to stop passing packets. These are the steps for trying to capture data using the console port under very low memory conditions:ĭisconnect the LAN and WAN cables from the interfaces on the router. Note: If Border Gateway Protocol (BGP) is configured on the router, you should refer to Achieve Optimal Routing and Reduce BGP Memory Consumption to reduce the memory consumption related to this process. If you help the router free some memory, the console may respond, and you can then capture the necessary data from the router for troubleshooting. There are steps you can take to allow data capture through the console. If you see the above message, there is not even enough available memory to allow for a console connection. When connecting to the console port, however, you might see this: %% Unable to create EXEC - no memory or too many processes At this point, it is important to get access to the console port to collect data for troubleshooting. When a router is low on memory, in some instances it is not possible to Telnet to the router. "Unable to Create EXEC" Error or When the Console Does Not Respond The console message "Unable to create EXEC - no memory or too many processes" The show processor memory command is displayed no matter what command you type on a console The console or log message: "%SYS-2-MALLOCFAIL: Memory allocation of 1028 bytes failed from 0圆015EC84, Pool Processor, alignment 0" Symptoms of memory allocation failure include, but are not limited to: This can happen with the processor memory (used by the Cisco Internet Operating System ) or with the packet memory (used by incoming and outgoing packets). The memory has fragmented into such small pieces that the router cannot find a usable available block. The router has used all available memory (temporarily or permanently), or Refer to Cisco Technical Tips Conventions for more information on document conventions. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. Note: This document does not apply to Cisco Catalyst switches that utilize CatOS or MGX platforms. The information in this document is based on these software and hardware versions: There are no specific requirements for this document. This document explains the symptoms and possible causes of memory allocation failure (MALLOCFAIL), and offers guidelines for troubleshooting memory problems.
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