Users Guide
   IGMP max query response time is 10 seconds
   IGMP last member query response interval is 1000 ms
   IGMP immediate-leave is enabled for all groups
   IGMP activity: 0 joins
   IGMP querying router is 35.0.0.1 (this system)
   IGMP version is 2
Example (VRF)
Dell# show ip igmp vrf BLUE interface 
TenGigabitEthernet 1/20
  Inbound IGMP access group is not set
  Internet address is 50.10.4.1/24
  IGMP is up on the interface
  IGMP query interval is 60 seconds
  IGMP querier timeout is 0 seconds
  IGMP max query response time is 10 seconds
  IGMP last member query response interval is 1000 ms
  IGMP immediate-leave is disabled
  IGMP activity: 0 joins
  IGMP querying router is 50.10.4.1 (this system)
  IGMP version is 3
Vlan 4007
  Inbound IGMP access group is not set
  Internet address is 50.30.124.4/24
  IGMP is up on the interface
  IGMP query interval is 60 seconds
  IGMP querier timeout is 83 seconds
  IGMP max query response time is 10 seconds
  IGMP last member query response interval is 1000 ms
  IGMP immediate-leave is disabled
  IGMP activity: 0 joins
  IGMP querying router is 50.30.124.1
  IGMP version is 3
Dell#
show ip igmp ssm-map
Display is a list of groups that are currently in the IGMP group table and contain SSM mapped sources.
S4820T
Syntax
show ip igmp [vrf vrf-name] ssm-map [group]
Parameters
vrf 
vrf-name
(OPTIONAL) Enter the keyword vrf followed by the name of the VRF to configure
this setting on that VRF.
NOTE: Applies to specific VRF if input is provided, else applies to Default VRF.
group
(OPTIONAL) Enter the multicast group address in the form A.B.C.D to display the
list of sources to which this group is mapped.
Command Modes
● EXEC
● EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
Internet Group Management Protocol (IGMP) 601










