Displaying IGMP Global Statistics

Web Agent Procedure

IGMP global statistics provides membership reports, membership queries transmitted and received, and unknown messages.

To display IGMP global statistics from the Web Agent:

1. Select Global Statistics from the Routing > IGMP group on the Web Agent window. The IGMP Global Statistics dialog box opens (Figure 12-25).

Figure 12-25. IGMP Global Statistics Dialog Box

2. To modify your global statistics, perform one of the following:
• Click CLEAR to reset all statistics to zero
• Click REFRESH to view the latest statistics.
3. See Table 12-15 for an explanation of the IGMP Global Statistics dialog box parameters:

   Table 12-15. IGMP Global Statistics Dialog Box Parameters

   Parameter	Defines the...
   Group Membership Reports Received	Number of reports received in response to a group membership query. Hosts respond to a Query by generating Host Membership Reports reporting each host group to which they belong on the network interface from which the Query was received.
   Group Membership Queries Transmitted	Number of query messages sent by all local IGMP interfaces. These messages are sent to discover which host groups have members on their attached local networks. Queries are addressed to the all-hosts group (address 224.0.0.1), and carry an IP time-to-live of 1.
   Group Membership Queries Received	Number of query messages received by all local IGMP interfaces.
   Unknown Messages Received	IGMP message of a type other than Group Membership Query, Group Membership Report, or Leave group.