HP 6125G HP 6125G & 6125G/XG Blade Switches IP Multicast Configuration - Page 31
Setting aging timers for dynamic ports, Configuring aging timers for dynamic ports globally
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• Determine the aging time of dynamic router ports. • Determine the aging time of dynamic member ports. • Determine the multicast group and multicast source addresses. Setting aging timers for dynamic ports If a switch receives no IGMP general queries or PIM hello messages on a dynamic router port when the aging timer of the port expires, the switch removes the port from the router port list. If the switch receives no IGMP reports for a multicast group on a dynamic member port when the aging timer of the port expires, the switch removes the port from the multicast forwarding entry for that multicast group. If the memberships of multicast groups change frequently, you can set a relatively small value for the aging timer of the dynamic member ports. If the memberships of multicast groups change rarely, you can set a relatively large value. Configuring aging timers for dynamic ports globally Step 1. Enter system view. 2. Enter IGMP-snooping view. 3. Set the aging timer for dynamic router ports. 4. Set the aging timer for dynamic member ports. Command system-view igmp-snooping router-aging-time interval host-aging-time interval Configuring aging timers for dynamic ports in a VLAN Remarks N/A N/A 105 seconds by default 260 seconds by default Step 1. Enter system view. 2. Enter VLAN view. 3. Set the aging timer for dynamic router ports. 4. Set the aging timer for dynamic member ports. Command system-view vlan vlan-id igmp-snooping router-aging-time interval igmp-snooping host-aging-time interval Remarks N/A N/A 105 seconds by default 260 seconds by default Configuring static ports If all hosts attached to a port are interested in the multicast data addressed to a particular multicast group or the multicast data that a particular multicast source sends to a particular group, you can configure the port as a static member port for the specified multicast group or the specified multicast source and group. You can also configure a port as a static router port, through which the switch can forward all the multicast traffic that it received. 20
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