关于ME60组播配置

yaohaining

查看ME60的组播路由表，显示如下：都是什么意思啊！
00001. (221.202.186.18, 232.0.0.1)
       Uptime: 00:31:32
       Upstream Interface: GigabitEthernet1/0/0
       List of 2 downstream interfaces
           1:  TUA18(Multicast virtual interface)
           2:  TUA31(Multicast virtual interface)
00002. (221.202.186.18, 232.0.0.2)
       Uptime: 20:39:17
       Upstream Interface: GigabitEthernet1/0/0
       List of 1 downstream interface
           1:  TUA94(Multicast virtual interface)
00003. (221.202.186.18, 232.0.0.4)
       Uptime: 21:35:06
       Upstream Interface: GigabitEthernet1/0/0
       List of 3 downstream interfaces
           1:  TUA11(Multicast virtual interface)
           2:  TUA31(Multicast virtual interface)
           3:  TUA32(Multicast virtual interface)