View IGMP Information for IP Multicast over Fabric Connect within the GRT

Use the following commands to display IGMP information.

Procedure

Enter Privileged EXEC mode:

enable
Display information about the interfaces where IGMP is enabled:

show ip igmp interface [gigabitethernet {slot/port[/sub-port][-slot/port[/sub-port]][,...]}][vlan <1-4059>][vrf WORD<1–16>][vrfids WORD<0–512>]

Ensure that the ouput displays routed-spb under MODE.
Display information about the IGMP cache:

show ip igmp cache [vrf WORD<1–16>][vrfids WORD<0–512>]
Display information about the IGMP group:

show ip igmp group [count][group {A.B.C.D}][member-subnet default|{A.B.C.D/X}][vrf WORD<1–16>][vrfids WORD<0–512>]
Display information about the IGMP sender:

show ip igmp sender [count][group {A.B.C.D}][member-subnet default|{A.B.C.D/X}][vrf WORD<1–16>][vrfids WORD<0–512>]

Example

Display IGMP information for IP multicast over Fabric Connect within the GRT:

Switch:1#show ip igmp interface

=========================================================================================
                         Igmp Interface - GlobalRouter
=========================================================================================
       QUERY              OPER            QUERY   WRONG              LASTMEM
IF     INTVL STATUS VERS. VERS QUERIER    MAXRSPT QUERY JOINS ROBUST QUERY   MODE   L2ISID
-----------------------------------------------------------------------------------------
V100   125    activ  2     2   0.0.0.0    100     0     0     2      10      snoop-spb 1100 

1 out of 1 entries displayed

Switch:(config)#show ip igmp interface vlan 2
================================================================================
                                  Vlan Ip Igmp
================================================================================
VLAN QUERY QUERY ROBUST VERSION LAST  PROXY  SNOOP  SSM    UPnP   FAST   FAST
ID   INTVL MAX                  MEMB  SNOOP  ENABLE SNOOP  FILTER LEAVE  LEAVE
           RESP                 QUERY ENABLE        ENABLE ENABLE ENABLE PORTS
--------------------------------------------------------------------------------
2    125   100   2      2       10    false  false  false  false  false

VLAN SNOOP   SNOOP           DYNAMIC   COMPATIBILITY EXPLICIT UPnP
ID   QUERIER QUERIER         DOWNGRADE MODE          HOSTS    FILTER
     ENABLE  ADDRESS         VERSION                 TRACKING ADDRESS
--------------------------------------------------------------------------------
2    false   0.0.0.0         enable    disable       disable  239.255.255.250/32

Switch:1# show ip igmp sender

===============================================================================
                           IGMP Sender - GlobalRouter
===============================================================================
                                           PORT/      
GRPADDR         IFINDEX    MEMBER          MLT        STATE           
-------------------------------------------------------------------------------
233.252.0.1    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.2    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.3    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.4    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.5    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.6    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.7    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.8    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.9    Vlan 501   192.2.0.1      9/16        NOTFILTERED    
233.252.0.10   Vlan 501   192.2.0.1      9/16        NOTFILTERED    

10 out of 10 entries displayed

Switch:1# show ip igmp group

================================================================================
                           IGMP Group - GlobalRouter
================================================================================
GRPADDR         INPORT          MEMBER          EXPIRATION TYPE      
--------------------------------------------------------------------------------
233.252.0.1    V501-9/16       192.2.0.1      204        Dynamic   
233.252.0.2    V501-9/16       192.2.0.1      206        Dynamic   
233.252.0.3    V501-9/16       192.2.0.1      206        Dynamic   
233.252.0.4    V501-9/16       192.2.0.1      207        Dynamic   
233.252.0.5    V501-9/16       192.2.0.1      204        Dynamic   
233.252.0.6    V501-9/16       192.2.0.1      209        Dynamic   
233.252.0.7    V501-9/16       192.2.0.1      206        Dynamic   
233.252.0.8    V501-9/16       192.2.0.1      206        Dynamic   
233.252.0.9    V501-9/16       192.2.0.1      211        Dynamic   
233.252.0.10   V501-9/16       192.2.0.1      207        Dynamic   

10 out of 10 group Receivers displayed

Total number of unique groups 10