This object is used to configure the common System ID in D-LAG nodes to be used for communicating with the peer node when D-LAG status is enabled. Since all the D-LAG nodes use this common D-LAG system ID to communicate with the peer node, for peer node it looks like it has established a LAG with a single peer node though the LAG is shared across multiple D-LAG nodes. Configuring this object is not allowed when D-LAG status is enabled. To configure this object first D-LAG status should be set to disabled. Disabling D-LAG/port-channel will not delete/reset the configured value for this object. This object uniquely identifies a D-LAG node and used in master-slave-selection process when redundancy feature is enabled in a D-LAG node to elect master/slave.