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SmartCell 6A000/ZX-250 Reference Manual 2-153
Console Commands
You can create either a PTP (point-to-point) or PMP (point-to-multipoint) PVC
when you define the ports and low identifiers [vci] and [vpi]. To send traffic from
one port to multiple ports, enter the same low port and low identifiers for all the
PVCs at a single port. Then, for each PVC from that single incoming port, enter
unique high ports and high identifiers. PTP PVCs must have unique low and high
ports and identifiers. A PMP connection is used when you want to multicast
(restrict broadcasting) from a single point (root) to multiple points (leaves).
Leaves could be home computers receiving and simultaneously viewing a single
video program.
Examples
switch_prompt # add pvc
ConnType(PTP) :
LowPort(A1) :d2
LowVPI(0) :
LowVCI(33) :
HighPort(A1) :d3
HighVPI(0) :
HighVCI(34) :
FwdTrafficDescriptorIndex(1) :7
BkwTrafficDescriptorIndex(1) :8
switch_prompt #
switch_prompt # delete pvc
LowPort(A1) : d2
LowVPI(0) :
LowVCI :( 0 ) : 33
HighPort :( A1 ) : d3
HighVPI :( 0 ) :
HighVCI :( 0 ) : 34
Confirm? (y/n): y
switch_prompt #
switch_prompt # activate pvc
LowPort(A1) : d2
LowVPI(0) :
LowVCI :( 0 ) : 33
HighPort :( A1 ) : d3
HighVPI :( 0 ) :
HighVCI :( 0 ) : 34
switch_prompt #
switch_prompt # deactivate pvc
LowPort(A1) : d2
LowVPI(0) :
LowVCI :( 0 ) : 33
HighPort :( A1 ) : d3
HighVPI :( 0 ) :
HighVCI :( 0 ) : 34
switch_prompt #
These examples show a standard, summarized and detailed listing of the PVC parameters of one port - d2.