Service VLAN Tag Translation
CM OLT (Main Frame) Layer 3 MAN Device
VoIP
service
The packets of the
VoIP service do
not carry a VLAN
tag.
A service flow is
created between a
CM and a D-
CMTS.
CM management packets
and VoIP packets carry the
same VLAN tag.
l When an OLT forwards
services at Layer 2, the
OLT transparently
transmits VLAN tags to
a MAN device.
l When an OLT forwards
services at Layer 3, the
OLT adds a unique
VLAN tag to the
packets of a service
type.
l When an OLT forwards
services at Layer 2, a
Layer 3 MAN device
forwards the services at
Layer 3 and adds a
unique VLAN tag to the
packets of a service
type.
l When an OLT forwards
services at Layer 3, a
Layer 3 MAN device
forwards the services at
Layer 3.
L2VPN
enterprise
service
The packets of the
L2VPN enterprise
service do not
carry a VLAN tag.
Two service flows
are created
between a CM and
a D-CMTS. One is
the default service
flow and the other
is the VPN service
flow.
CM management packets
and enterprise packets
carry different VLAN tags.
The VLAN pre-configured
for the packets of the
L2VPN enterprise service
must be the same as that
configured in the CM
configuration file.
l When an OLT forwards
services at Layer 2, the
OLT transparently
transmits VLAN tags to
a MAN device.
l When an OLT forwards
services at Layer 3, the
OLT adds a unique
VLAN tag to the
packets of a service
type.
l When an OLT forwards
services at Layer 2, a
Layer 3 MAN device
forwards the services at
Layer 3 and adds a
unique VLAN tag to the
packets of a service
type.
l When an OLT forwards
services at Layer 3, a
Layer 3 MAN device
forwards the services at
Layer 3.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
15 OptiCable D-CMTS Configuration (MA5633 Working as
a Remote Extended Frame)
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1531
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