Lucent Technologies P550 User Manual

Page 157

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Configuring IP Routing (Layer 3)

Cajun P550/P220 Switch Operation Guide

7-31

Displaying the IGMP Local Multicast Forwarding Cache

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

1. In the IGMP Display section of the Web Agent window, click Local Multicast

Forwarding Cache. The Local Multicast Forwarding Cache dialog box opens.

2. To modify your Local Multicast Forwarding Cache, perform one of the following:

Select the 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.

3. Use Table 7-18 to review the IGMP Multicast Forwarding Cache information:

Group Reporter Address

IP address of the host that sent the most recent host
membership report for this group.

Entry Expiration Period
in (sec)

Expiration time (in seconds) of the group that is being
displayed.

Table 7-18. IGMP Local Multicast Forwarding Cache Parameters

Parameters

Defines the...

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 dialog box.

Upstream Source(s)

Number of upstream interfaces and provides a link to the IGMP
Upstream Interfaces dialog box.

Table 7-17. IGMP Group Membership Table Parameters (Continued)

Parameter

Defines the...

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