FSAP 9800 Technical Manual
F
IGURE
25 FTTB N
ETWORKING
DSL/Ethernet Access Applications
DSL/Ethernet access applications include the following:
�
networking
�
VLAN stacking
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Enterprise network dedicated line application
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hotel application
�
application
Q-in-Q VLAN
Networking
FSAP 9800 supports Q-in-Q VLAN networking application.
shows the networking mode.
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IN
-Q VLAN N
ETWORKING
Enterprise subscribers access the FSAP 9800 through x
, bear-
ing in VLAN mode. The VLAN1 and VLAN2 subscribers access FSAP
9800 through the port of VLAN ID 3. The Q-in-Q VLAN function is
enabled on FSAP 9800.
FSAP 9800 allocates the public network VLAN IDs to subscriber
packets uniformly and forwards them to the upper-layer network.
The packet is forwarded through the backbone network of
ac-
cording to the public network VLAN ID. When the packet arrives at
the other side of the backbone network, the public network VLAN
ID is removed and the packet is resumed. Then, the resumed
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