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2000-A2-GB20-10 - 167 - February 2004
224.0.0.2 (Default Local Join) Expires: NEVER
224.0.0.13 (Default Local Join) Expires: NEVER
Press any key to continue.
Displaying
the IGMP
Querier
The IGMP Querier is the IGMP router that has the highest IP address
among the others. It sends periodic IGMP Query messages and handles
IGMP Membership Report and Leave messages.
Type Q to display the IGMP Querier. The IAD displays the IGMP Querier
for each interface and its expiration time:
IGMP Querier
Interface 10/100BaseT Ethernet:
140.242.59.65 (this interface)
Press any key to continue.
Displaying
the Multi-
cast Rout-
ing Table
Type M to display the Multicast Routing Table.
The IAD displays the following information:
( Source, Group )
( * , 230.253.84.168)Expires: 130s
Incoming interface: Null, RPF Neighbor 0.0.0.0
Outgoing interface list:
SDSL VPI/VCI 0*38
10/100BaseT Ethernet
(Source, Group)
( * , 237.152.172.93)Expires: 42s
Incoming interface: Null, RPF Neighbor 0.0.0.0
Outgoing interface list:
SDSL VPI/VCI 0*38
Table 10–1.Multicast Routing Table Fields
Field Description
Source IP address of the sender/source.
Group IP address of the multicast group (Class D IP
address).
State Pruned or Expired. Pruned means that the state sent
a Prune message to the upstream neighbor, asking
them to stop sending Multicast Group messages to
this interface. Expired means expiration time for the
Prune state.
Expires Expiration timer for the multicast routing state.