![Huawei Quidway S5600 Operation Manual Download Page 422](http://html.mh-extra.com/html/huawei/quidway-s5600/quidway-s5600_operation-manual_169841422.webp)
Operation Manual – Multicast Protocol
Quidway S5600 Series Ethernet Switches-Release 1510
Chapter 2 IGMP Snooping Configuration
Huawei Technologies Proprietary
2-4
Message Sender
Receiver
Purpose
Switch action
IGMP
group-sp
ecific
query
message
Multica
st
router
and
multica
st
switch
Multicast
member
switch
and host
Query if a
specific
IGMP
multicast
group
contains
any
member
Send an IGMP group-specific query message to
the IP multicast group being queried.
If yes, add the IP multicast
group address to the MAC
multicast group table.
If yes,
add the
port to the
IP
multicast
group.
If yes,
check if
the port
exists in
the MAC
multicast
group
If not, add the
port to the
MAC multicast
group, reset
the aging
timer of the
port and check
if the
corresponding
IP multicast
group exists.
If not,
create an
IP
multicast
group and
add the
port to it.
IGMP
host
report
message
Host Multicast
router
and
multicast
switch
Apply for
joining a
multicast
group, or
respond
to an
IGMP
query
message
Check
if the
IP
multica
st
group
has a
corres
pondin
g MAC
multica
st
group
If not:
Create a MAC multicast group and
notify the multicast router that a
member is ready to join the multicast
group.
Add the port to the MAC multicast
group and start the aging timer of the
port.
Add all ports in the VLAN owning this
port to the forward port list of the MAC
multicast group.
Add the port to the IP multicast group.