The %QATM-4-TCAM_LOW: TCAM resource running low for table [chars], resource type [chars], on TCAM number [dec] error message indicates that the hardware ternary content addressable memory (TCAM) resource is running low and could cause system instability. The first [chars] is the TCAM table, the second [chars] is the resource type, and [dec] refers to the TCAM number.
The error messagemeans that the TCAM table is reaching its maximum capacity to store information. It is an informational message not an error.
If this error message is received, avoid further configurations that could deplete the indicated TCAM resource type running low. Issue the show tcam user EXEC command to display information about the input security Access Control List (ACL), the output security ACL, the Quality of Service (QoS), or other regions of the TCAM as shown in the message TCAM table.
Issue the sdm prefer global configuration command to configure the template used in the Switch Database Management (SDM) resource allocation. If possible, change to a different TCAM allocation.