Zhone 2004 ユーザーガイド
4-68
2 0 0 0 - A 2 - G B 2 2 - 0 0
Show 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.
the others. It sends periodic IGMP Query messages and handles IGMP
Membership Report and Leave messages.
1
Type “Q” on the Multicast Configuration menu to display the IGMP
Querier. The IAD displays the IGMP Querier for each interface and its
expiration time:
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)
2
Press any key to continue.
Show Multicast Routing Table
Type “M” on the Multicast Configuration menu to display the Multicast
Routing Table. The IAD displays the following information:
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:
G.SHDSL 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:
G.SHDSL VPI/VCI 0*38
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.
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.
Static Mroute
The source is a user-assigned Multicast Routing Source.
Incoming interface
Incoming interface for the multicast packet.