Huawei SmartAX MA5603T Configuration Manual page 876

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
Applicatio
n Scenario
FTTB or
FTTC
Ethernet
cascading
(centralized
management
for GE
remote
extended
subracks)
Issue 01 (2014-04-30)
Servic VLA VLAN Translation
e Type N
ONU
Plan
Multic One- HGWs (xDSL
ast tag upstream
service VLA transmission)
N when MVLANs
soluti on HGW side and
on network side are
different:
l Upstream
IGMP
packets: The
extended
subrack
performs
IGMP proxy
to terminate
IGMP
packets
transmitted
from the user
side,
encapsulate
the packets
with an
MVLAN tag
on the
network side,
and send the
packets to the
extending
board.
l Downstream
multicast
service flows:
The extended
subrack
replicates
multicast
packets based
on user ports,
and
multicasts the
packets
among
MVLANs
(user VLAN
<- MVLAN).
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11 FTTB and FTTC Solution Configuration
Remarks
OLT
l Upstream This solution is
IGMP recommended.
packets: The
master
subrack
performs
IGMP proxy
to terminate
IGMP
packets
transparently
transmitted
from the
extending
board and
reported by
the extended
subrack,
encapsulate
the packets
with an
MVLAN tag
on the
network side,
and send the
packets to the
upper-layer
network.
l Downstream
multicast
service flows:
The control
board in the
master
subrack
replicates
multicast
packets based
on Ethernet
extending
boards, and
the Ethernet
extending
boards
replicate
multicast
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