Igmp Snooping Configuration Examples - 3Com Baseline 2928 PWR Plus User Manual

Figure 1-7 Details about an IGMP snooping multicast entry
Table 1-5Table 1-5Table 1-5
Table 1-5 Description of IGMP snooping multicast entries
Item
VLAN ID
Source Address
Group Address
Router Port(s)
Member Port(s)
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IGMP Snooping Configuration Examples

Network requirements
As shown in
and to Switch A through Ethernet 1/1.
The multicast source sends multicast data to group 224.1.1.1. Host A is a receiver of the multicast
group.
IGMPv2 runs on Router A and IGMP snooping version 2 runs on Switch A.
The function of dropping unknown multicast packets is enabled on Switch A to prevent Switch A
from flooding multicast packets in the VLAN if no corresponding Layer 2 forwarding entry exists.
The fast leave function is enabled for GigabitEthernet 1/0/3 on Switch A to improve bandwidth and
resource usage.
describes the IGMP snooping multicast entry information.
ID of the VLAN to which the entry belongs
Multicast source address, where 0.0.0.0 indicates all multicast sources.
Multicast group address
All router ports
All member ports
Figure 1-8, Router A connects to a multicast source (Source) through Ethernet 1/2,
Description
list.
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