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DrDoof
706dea63a2
The switch keeps a count of the dynamic L2 entries learned on every port in L2_LRN_PORT_CONSTRT_CNT (0x53ac + 4 * port, 13 bits). `stat` prints it in a new MACs column and /status.json carries it as "macs". On a SWTGW218AS the count matched the L2 table port by port, static entries are not included, and taking a port down drops it to 0.