Multicast Statistics on the Switch

Multicast Statistics on the Switch

Switch1 (enable) show mls multicast statistics

Router IP          Router Name        Router MAC

---------------    ------------------ -----------------

10.1.3.10          ?                  00-05-5e-96-76-c0

Transmit:

                     Feature Notifications: 0

            Feature Notification Responses: 2

           Shortcut Notification Responses: 3

!Switch's response back to the MSFC regarding the shortcut messages



                      Delete Notifications: 0

                           Flow Statistics: 47

                   Total Transmit Failures: 0

Receive:

                     Feature Notifications: 2

                         Shortcut Messages: 3



! Switch received 3 shortcut messages from the MSFC



               Duplicate Shortcut Messages: 0

                      Shortcut Install TLV: 1

!One hardware shortcut created



                      Selective Delete TLV: 0

                          Group Delete TLV: 0

                                Update TLV: 0

                     Input VLAN Delete TLV: 0

                    Output VLAN Delete TLV: 0

                         Global Delete TLV: 0

                           MFD Install TLV: 1

                            MFD Delete TLV: 0

                     Global MFD Delete TLV: 0

                               Invalid TLV: 0

The next section discusses what happens when a receiver leaves a multicast group, and how IGMP snooping handles such an event