Maximum transmission unit determination method and device, electronic equipment and readable storage medium

The embodiment of the invention provides a maximum transmission unit determination method and device, electronic equipment and a readable storage medium. The method comprises the following steps: receiving an announcement message sent by each message generation member equipment of a stacked network, wherein the notification message comprises a maximum transmission unit (MTU) value of the message generation member equipment, an identity label of the message generation member equipment, and an identity label of each member equipment which forwards the notification message in sequence in a transmission process of the notification message from the message generation member equipment to the self equipment; determining a communication path with the message generation member equipment according to the identity identifiers of the message generation member equipment and the identity identifier of each member equipment which forwards the notification message in sequence; and taking the minimum MTU value in all the memb