HP 6125G HP 6125G & 6125G/XG Blade Switches IP Multicast Configuration - Page 286
Enabling MLD proxying, Configuration guidelines, Configuration procedure, Configuring IPv6 multicast
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Enabling MLD proxying You can enable MLD proxying on the interface in the direction toward the root of the multicast forwarding tree to make the device serve as an MLD proxy. Configuration guidelines • Each device can have only one interface serving as the MLD proxy interface. • You cannot enable MLD on interfaces with MLD proxying enabled. Moreover, only the mld require-router-alert, mld send-router-alert, and mld version commands can take effect on such interfaces. • You cannot enable other IPv6 multicast routing protocols (such as IPv6 PIM-DM or IPv6 PIM-SM) on interfaces with MLD proxying enabled, or vice versa. However, the source-lifetime, source-policy, and ssm-policy commands configured in IPv6 PIM view can still take effect. • You cannot enable MLD proxying on a VLAN interface with MLD snooping enabled, or vice versa. Configuration procedure To enable MLD proxying: Step 1. Enter system view. 2. Enter interface view. 3. Enable the MLD proxying feature. Command system-view interface interface-type interface-number mld proxying enable Remarks N/A N/A Disabled by default Configuring IPv6 multicast forwarding on a downstream interface Typically, to avoid duplicate multicast flows, only queriers can forward IPv6 multicast traffic. On MLD proxy devices, a downstream interface must be a querier in order to forward IPv6 multicast traffic to downstream hosts. If the interface has failed in the querier election, you must manually enable IPv6 multicast forwarding on this interface. IMPORTANT: On a multi-access network with more than one MLD proxy devices, you cannot enable IPv6 multicast forwarding on any other non-querier downstream interface after one of the downstream interfaces of these MLD proxy devices has been elected as the querier. Otherwise, duplicate multicast flows might be received on the multi-access network. To enable IPv6 multicast forwarding on a downstream interface Step 1. Enter system view. 2. Enter interface view. Command system-view interface interface-type interface-number Remarks N/A N/A 275
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