show ip mvr mcache

The following example shows information about the MVR forwarding database.

device> show ip mvr mcache

IP Multicast MVR Mcache Table
Entry Flags    : MVR  - Multicast VLAN Registration Mode
                 LSRC - Local Source, LRCV - Local Receiver
                 HW - HW Forwarding Enabled, FAST - Resource Allocated, TAG - Need For Replication Entry
Interface Flags: MJ - Membership Join, MI - Membership Include, ME - Membership Exclude
                 MS - MVR Srouce Port
 
Total entries in mcache: 1
 
1     (53.0.0.10, 225.0.0.1) in v1 (tag e1/1/1), Uptime 14:08:27 (MVR) <-------- shows v1 is source vlan
      Source is MVR MVlan
      Flags (0x600400e1) MVR LRCV HW FAST TAG
      fast ports: ethe 1/1/1 eth 1/1/2 eth 1/1/3 eth 1/1/4
      AgeSltMsk: 1, IPMC:   293
      Forwarding_oif: 4
      L3 (HW) 2:
          e1/1/3(VL10), 14:08:27/0, Flags: MJ         <--- Member joined on receiver VLANS
          e1/1/4(VL11), 14:08:27/0, Flags: MJ
      L2 (HW) 2:
          e1/1/1,  14:08:27/0, Flags: MS              <------- Note: source vlan ports are added by default
          e1/1/2,  14:08:18/0, Flags: MS
      Src-Vlan:   1
Number of matching entries: 1