sh ip igmp snooping groups - my router won't answer me

[ashleyreed4218]

router1#sh   ip igmp snooping groups
Vlan     Group         Version     Port List
---------------------------------------------------------

Anyone know why my router might not answer this?

Thank you in advance,

Ashley

[Reza Sharifi]

If you want to see the group you have configured for an interface the command is:

show ip igmp interface gix/x/x

or

show ip igmp interface vlan xx

HTH