tmnxMcRingNodeRncvSrcMac 1.3.6.1.4.1.6527.3.1.2.40.1.18.1.12

The value of tmnxMcRingNodeRncvSrcMac specifies the source MAC address used for the Ring-Node Connectivity Verification of this ring node. The value 'all zeroes' specifies that the MAC address of the system management processor (CPM) is used.