HP 6125G HP 6125G & 6125G/XG Blade Switches IP Multicast Configuration - Page 51
Verifying the configuration, IGMP snooping proxying configuration example, Network requirements
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2. Configure Switch B: # Enable IGMP snooping globally. system-view [SwitchB] igmp-snooping [SwitchB-igmp-snooping] quit # Create VLAN 100, and assign GigabitEthernet 1/0/1 through GigabitEthernet 1/0/4 to the VLAN. [SwitchB] vlan 100 [SwitchB-vlan100] port gigabitethernet 1/0/1 to gigabitethernet 1/0/4 # Enable IGMP snooping and the function of dropping unknown multicast traffic in VLAN 100. [SwitchB-vlan100] igmp-snooping enable [SwitchB-vlan100] igmp-snooping drop-unknown [SwitchB-vlan100] quit Configurations on Switch C and Switch D are similar to the configuration on Switch B. Verifying the configuration After the IGMP snooping querier starts to work, all the switches but the querier can receive IGMP general queries. By using the display igmp-snooping statistics command, you can display statistics for the IGMP messages received. For example: # Display IGMP message statistics on Switch B. [SwitchB] display igmp-snooping statistics Received IGMP general queries:3. Received IGMPv1 reports:0. Received IGMPv2 reports:12. Received IGMP leaves:0. Received IGMPv2 specific queries:0. Sent IGMPv2 specific queries:0. Received IGMPv3 reports:0. Received IGMPv3 reports with right and wrong records:0. Received IGMPv3 specific queries:0. Received IGMPv3 specific sg queries:0. Sent IGMPv3 specific queries:0. Sent IGMPv3 specific sg queries:0. Received error IGMP messages:0. IGMP snooping proxying configuration example Network requirements As shown in Figure 16, Router A runs IGMPv2 and Switch A runs IGMPv2 snooping. Router A acts as the IGMP querier. Configure IGMP snooping proxying on Switch A, enabling the switch to forward IGMP reports and leave messages on behalf of attached hosts and to respond to IGMP queries from Router A and forward the queries to the hosts on behalf of Router A. 40
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