3Com 4500G Family Configuration Manual page 452

Total 1 IP Group(s).
Total 1 IP Source(s).
Total 1 MAC Group(s).
Router port(s):total 0 port.
IP group(s):the following ip group(s) match to one mac group.
IP group address:224.1.1.1
(0.0.0.0, 224.1.1.1):
Host port(s):total 1 port.
GE1/0/3
MAC group(s):
MAC group address:0100-5e01-0101
Host port(s):total 1 port.
GE1/0/3
Vlan(id):4.
Total 1 IP Group(s).
Total 1 IP Source(s).
Total 1 MAC Group(s).
Router port(s):total 0 port.
IP group(s):the following ip group(s) match to one mac group.
IP group address:224.1.1.1
(0.0.0.0, 224.1.1.1):
Host port(s):total 1 port.
GE1/0/4
MAC group(s):
MAC group address:0100-5e01-0101
Host port(s):total 1 port.
GE1/0/4
Vlan(id):10.
Total 1 IP Group(s).
Total 1 IP Source(s).
Total 1 MAC Group(s).
Router port(s):total 1 port.
GE1/0/1
IP group(s):the following ip group(s) match to one mac group.
IP group address:224.1.1.1
(0.0.0.0, 224.1.1.1):
Host port(s):total 0 port.
MAC group(s):
MAC group address:0100-5e01-0101
Host port(s):total 0 port.
As shown above, IGMP Snooping is maintaining the router port in the multicast VLAN (VLAN 10) and
the member ports in the sub-VLANs (VLAN 2 through VLAN 4).
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