Lucent Technologies P550 - Manual (Page 154)

Configuring IP Routing (Layer 3)
7-28 Cajun P550/P220 Switch Operation Guide
To display IGMP global statistics:
1. In the IGMP Display section of the Web Agent window, click Global Statistics.
The IGMP Global Statistics dialog box opens.
2. To modify your global statistics, perform one of the following:
• Click REFRESH to view the latest statistics.
• Click CLEAR ALL to reset all statistics to zero.
• Select one or more interfaces and click CLEAR to reset statistics on those
interfaces to zero.
3. Use Table 7-15 to review each IGMP statistic:
Examining IGMP Interface Statistics
The IGMP interface statistics allow you to view IGMP statistics for each configured IP
interface with multicast enabled.
To view IGMP interface statistics:
1. In the IGMP Display section of the Web Agent window, click Interface
Statistics. The IGMP Interface Statistics dialog box opens.
Table 7-15. IGMP Global Statistics 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. All hosts that receive this query transmit a group
membership report reporting each host group to which
they belong.
Unknown Messages
Received IGMP message of a type other than Group Membership
Query, Group Membership Report, or Leave group.