【单选题】
Nexus# sh ip igmp snooping vlan 120  <br /> IGMP Snooping information for vlan 120  <br /> IGMP snooping disabled  <br /> Optimised Multicast Flood （OMF） disabled  <br /> IGMP querier none <br /> Switch-querier enabled， address 1.1.1.1， currently not running <br /> IGMPv3 Explicit tracking enabled <br /> IGMPv2 Fast leave disabled <br /> IGMPv1/v2 Report suppression enabled <br /> IGMPv3 Report suppression disabled <br /> Link Local Groups suppression enabled <br /> Router port detection using PIM Hellos， IGMP Queries <br /> Number of router-ports： 0 <br /> Number of groups： 0  <br /> Active ports： Po100 Po111&e
A、 IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.
B、 The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.
C、 IGMP snooping has been disabled on the VLAN 120 SVI.
D、 IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.
E、 IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
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