tmnxDot1agCfmSdpMipSrcMacAddress 1.3.6.1.4.1.6527.3.1.2.52.8.2.1.5

The value of tmnxDot1agCfmSdpMipSrcMacAddress specifies the source MAC address used by the MIP. By default, the MAC address is the MAC address of the chassis.