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A
d
v
a
n
c
e
d
P
P
A
d
v
a
n
c
e
d
P
P
A
d
v
a
n
c
e
d
P
P
This page contains the PPTP Connection table. It provides a more detailed listing
of PPP/PPTP connections and configuration information (figure 42).
Channel
Name
ID
0
ISP1
1
ISP1
2
ISP1
3
ISP1
4
ISP2
5
ISP2
6
ISP2
Figure 42. PPTP Destination Table
The additional columns provided in this table are described next.
V
P
I
/
V
C
I
V
P
I
/
V
C
I
VPI and VCI values identify an ATM virtual connection. Because the modem
comes with preconfigured VPI/VCI values, you do not have to configure these
fields.
However, if the ISP or corporate network administrator requires VPI/VCI values
different from the default values, you must enter those values in these fields.
E
n
c
a
p
E
n
c
a
p
This field indicates the encapsulation of Ethernet or IEEE 802.3 frames to
AAL5/ATM protocol.
The ADSL modem supports both the LLC/NLPID method and the VC MUX
method for bridged Ethernet V2.0/IEEE 802.3 PDUs. By default, this field is set
to LLC/NLPID, and the access server of the ISP or corporate network must use
the same method. If it does not, contact the ISP or corporate network
administrator.
P
/
P
P
T
P
C
o
n
f
i
g
P
/
P
P
T
P
C
o
n
f
i
P
/
P
P
T
P
C
o
n
f
i
Encap
VPI
VCI
8
67
VCMUX
8
75
VCMUX
8
83
VCMUX
8
91
VCMUX
8
99
VCMUX
8
107
VCMUX
8
115
VCMUX
u
r
a
t
i
o
n
g
u
r
a
t
i
o
n
g
u
r
a
t
i
o
n
HDLC
State
framing
keep
IDLE
never
IDLE
never
IDLE
never
IDLE
never
IDLE
never
IDLE
never
IDLE
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