Configuring IP Multicast 739
•
Last Member Query Interval (1/10 of a second)
— Enter the last member query interval in tenths of a
second. This is the maximum response time to be inserted into group-specific queries sent in response
to leave group messages, and is also the amount of time between group-specific query messages. Valid
values are from 0 to 255. The default value is 10. This value is not used for IGMP version 1.
•
Last Member Query Count
— Enter the number of queries to be sent on receiving a leave group
report. Valid values are from 1 to 20. The default value is 2.
Configuring an IGMP Routing Interface
1.
Open the
IGMP Interface Configuration
page.
2.
Select the interface to configure from the
Interface
field.
3.
Modify the remaining fields as needed.
4.
Click
Apply Changes
.
The interface configuration is saved, and the device is updated.
Configuring an IGMP Routing Interface Using CLI Commands
For information about the CLI commands that per form this function, see the following chapter in the
CLI Reference Guide:
• IGMP Commands
The following table summarizes the equivalent CLI commands for this feature.
Table 12-15. IGMP Interface Configuration Commands
CLI Command Description
ip igmp last-member-query-count Sets the number of Group-Specific Queries sent before the router
assumes that there are no local members on the interface.
ip igmp last-member-query-interval Configures the Maximum Response Time inserted in Group-Specific
Queries which are sent in response to Leave Group messages.
ip igmp query-interval Configures the query interval for the specified interface. The query
interval determines how fast IGMP Host-Query packets are
transmitted on this interface.
ip igmp query-max-response-time Configures the maximum response time interval for the specified
interface.
ip igmp robustness Configures the robustness that allows tuning of the interf ace.
ip igmp startup-query-count Sets the number of queries sent out on startup—at intervals equal to
the startup query interval for the interface.
ip igmp startup-query-interval Sets the interval between general queries sent at startup on the
interface.
ip igmp version Configures the version of IGMP for an interface.