Use the following commands to display IGMP information.
enable
show ip igmp interface [gigabitethernet {sub-port]][,...][slot/all][all]}][vlan <1-4059>][vrf WORD<1–16>][vrfids WORD<0–512>]
Ensure that the ouput displays routed-spb under MODE.
show ip igmp cache [vrf WORD<1–16>][vrfids WORD<0–512>]
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>]
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>]
Display IGMP information for IP multicast over Fabric Connect within the GRT:
Switch:1#show ip igmp interface vrf l3vsn-100 ======================================================================================================= Igmp Interface - VRF l3vsn-100 ======================================================================================================= QUERY OPER QUERY WRONG LASTMEM SCOPE IF INTVL STATUS VERS. VERS QUERIER MAXRSPT QUERY JOINS ROBUST QUERY MODE L2ISID ISID ------------------------------------------------------------------------------------------------------- V10 125 inact 2 2 0.0.0.0 100 0 0 2 10 routed-spb 0 100
Switch:1#show ip igmp interface vlan 2 ======================================================================================== Vlan Ip Igmp ======================================================================================== VLAN QUERY QUERY ROBUST VERSION LAST PROXY SNOOP SNOOP SSM UPnP FAST FAST ID INTVL MAX MEMB SNOOP ENABLE ORIGIN SNOOP FILTER LEAVE LEAVE RESP QUERY ENABLE ENABLE ENABLE ENABLE PORTS ---------------------------------------------------------------------------------------- 2 125 100 2 2 10 false false RADIUS false true 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 192.0.2.3/24
Switch:1# show ip igmp sender ======================================================================= IGMP Sender - GlobalRouter ======================================================================= PORT/ GRPADDR IFINDEX MEMBER MLT STATE L2ISID SCOPEISID DATAISID --------------------------------------------------------------------------- 224.1.1.4 Vlan 10 192.2.0.1 1/18/1 NOTFILTERED 0 10010 16000001 224.1.1.4 Vlan 10 192.2.0.1 1/18/1 NOTFILTERED 0 10010 16000004 224.1.1.6 Vlan 10 192.2.0.1 1/18/1 FILTERED 0 10010 16000010 224.1.1.7 Vlan 10 192.2.0.1 1/18/1 FILTERED 0 10010 16000009 224.1.1.8 Vlan 10 192.2.0.1 1/18/1 NOTFILTERED 0 10010 210 5 out of 5 entries displayed
Switch:1#show ip igmp group ================================================================================ Igmp Group - GlobalRouter ================================================================================ GRPADDR INPORT MEMBER EXPIRATION TYPE L2ISID -------------------------------------------------------------------------------- 224.5.2.1 V701-1/4 62.0.1.1 214 Dynamic 40400 224.5.2.2 V702-1/4 62.0.2.1 221 Dynamic 40400 224.5.2.3 V703-1/4 62.0.3.1 217 Dynamic 40400 224.5.2.4 V704-1/4 62.0.4.1 223 Dynamic 40400 4 out of 4 group Receivers displayed Total number of unique groups 2