Chapter 6 Using Multicast Manager 155Using Optivity Switch Manager, Release 1.1.0.0Figure 74 Route tab (MRoute)Table 52 describes the fields in the Route tab.Table 52 Route tab (MRoute) fieldsField DescriptionGroupAddress IP multicast group address for which this entry containsmulticast routing information.SourceAddress Network address that, when combined with thecorresponding route SourceMask value, identifies thesources for which this entry contains multicast routinginformation.SourceMask Network mask that, when combined with the correspondingroute Source value, identifies the sources for which thisentry contains multicast routing information.UpstreamNeighbor Address of the upstream neighbor (in other words, the RPFneighbor) from which IP datagrams from these sources tothis multicast address are received or 0.0.0.0 if the networkis local.