Querier
Enable or disable the IGMP snooping querier function.
On an IP multicast network that runs IGMP, a Layer 3 device acts as an IGMP
querier to send IGMP queries and establish and maintain multicast forwarding
entries for correct multicast traffic forwarding at the network layer.
On a network without Layer 3 multicast devices, IGMP querier cannot work
because a Layer 2 device does not support IGMP. To address this issue, you can
enable IGMP snooping querier on a Layer 2 device so that the device can
generate and maintain multicast forwarding entries at the data link layer,
therefore providing IGMP querier functions.
Query interval Configure the IGMP query interval.
General Query Source IP Specify the source IP address of general queries.
Special Query Source IP Specify the source IP address of group-specific queries.
Configuring IGMP snooping port functions
1. Select Network > IGMP snooping from the navigation tree.
2. Click the Advanced tab.
Figure 221 Advanced configuration
3. Configure the parameters as described in Table 81.
4. Click Apply.
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