Displaying the IGMP Local Multicast Forwarding Cache

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Displaying the IGMP Local Multicast Forwarding Cache

To display the multicast forwarding cache information (IGMP only interfaces):

In the navigation pane, expand the Routing > IGMP folders, and then click Local Multicast Forwarding Cache.

The Local Multicast Forwarding Cache Web page is displayed in the content pane. See Figure�118.

Figure�118:�Local Multicast Forwarding Cache Web Page

To modify the Local Multicast Forwarding Cache, select an entry and:

Click Delete Entry to delete one or more entries.
Click Flush Table to clear the entire table.
Click REFRESH to receive the most up-to-date information on the entries in the table.

See Table�79 to review an explanation of the IGMP Local Multicast Forwarding Cache parameters.

Table�79:�IGMP Local Multicast Forwarding Cache Parameters �
Parameters	Description
Destination Group Address	Destination group address of the multicast transmission.
Source SubNetwork	Subnet on which the IGMP interface(s) exist.
Source Address Mask	Subnet mask associated with the IGMP source subnetwork.
Upstream Interface	IP interface configured on the upstream interface.
Invalid Flows From Upstream	Number of invalid flows received from the upstream neighbor.
Packets Forwarded Through Cache Entry	Number of packets successfully forwarded in the CPU (supervisor module).
Downstream Interface(s)	Number of downstream interfaces and provides a link to the IGMP Downstream Interfaces Web page.
Upstream Source(s)	Number of upstream interfaces and provides a link to the IGMP Upstream Interfaces Web page.

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