Configuration MP.11-R Installation and Management
VLAN Parameters
116
SU Function
–Transparent Mode
SU Function
–Trunk Mode
SU Function
–Access Mode
SU Function
–Mixed Mode
• SU forwards both
tagged and
untagged frames
received from the
Ethernet interface or
from the BSU.
• If a valid
management VLAN
ID is configured, SU
allows only
management frames
tagged with the
configured
management VLAN
ID to access it.
• If a valid
management VLAN
ID is configured, SU
tags all management
frames generated by
the SU with the
configured
management VLAN
ID and priority.
• If the management
VLAN ID is
configured as -1
(untagged), SU
allows only untagged
management frames
to access them.
• Up to 16 VLAN IDs can be
configured on an SU.
• SU discards all untagged
frames received from the
Ethernet interface or from
the BSU (unexpected).
• If a valid VLAN ID is
configured, SU forwards
only VLAN tagged frames
received from the Ethernet
interface or from the BSU
that are tagged with the
configured VLAN IDs; it
discards all other tagged
frames.
• If a valid management
VLAN ID is configured, SU
allows only management
frames tagged with the
configured management
VLAN ID to access it.
• If a valid management
VLAN ID is configured, SU
tags all management
frames generated by the
SU with the configured
management VLAN ID and
priority.
• If the management VLAN
ID is configured as -1
(untagged), SU allows only
untagged management
frames to access it.
• If outer VLAN id is between
1-4094, SU forwards the
tagged traffic along with
outer VLAN ID and outer
VLAN priority received on
the ethernet interface. SU
expects an outer VLAN ID
for all the frames which are
destined to the ethernet
interface and SU untags
the outer VLAN ID from the
frames before transmitting
them on the ethernet
interface.
• SU discards all tagged
frames received from the
Ethernet interface and all
untagged frames received
from the BSU (unexpected).
• SU tags all untagged frames
received from the Ethernet
interface with the configured
Access VLAN ID and
forwards them to the BSU.
• SU untags all tagged frames
received from the BSU that
are tagged with the
configured Access VLAN ID
and forwards them to the
Ethernet interface; it discards
all other tagged frames from
the BSU.
• If a valid management VLAN
ID is configured, SU allows
only management frames
tagged with the configured
management VLAN ID to
access it from the BSU.
• If a valid management VLAN
ID is configured, SU tags all
management frames
generated by the SU with the
configured management
VLAN ID and priority and
forwards them to the BSU.
• If the management VLAN ID
is configured as -1
(untagged), SU allows only
untagged management
frames to access it from the
BSU.
• SU allows only untagged
management frames to
access it from the Ethernet
interface, regardless of the
value of the management
VLAN ID.
• Up to 16 VLAN IDs can
be configured on an
SU.
• SU accepts all
untagged frames
received from the
Ethernet interface or
from the BSU
(unexpected).
• If a valid VLAN ID is
configured, SU
forwards only VLAN-
tagged frames
received from the
Ethernet interface or
from the BSU that are
tagged with the
configured VLAN IDs;
it discards all other
tagged frames.
• If a valid management
VLAN ID is configured,
SU allows only
management frames
tagged with the
configured
management VLAN ID
to access it.
• If a valid management
VLAN ID is configured,
SU tags all
management frames
generated by the SU
with the configured
management VLAN ID
and priority.
• If the management
VLAN ID is configured
as -1 (untagged), SU
allows only untagged
management frames to
access it.
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