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SHOW BACKPLANE_PATHS
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SHOW
BACKPLANE_PATHS
Use the SHOW BACKPLANE_PATHS command to display a list of the logical
network assignments and their corresponding physical backplane path
connections.
The command shows you which backplane resources are available and which
are used in the hub. It displays a list of which logical network assignments are
using which physical channel (backplane path) connections.
Because the various protocols in the hub (Ethernet, ONline Token Ring, ONline
FDDI) share backplane resources, the SHOW BACKPLANE_PATHS command can
help you to determine which networks are still available. For example, you can
use the command to determine which Token Ring and FDDI networks are no
longer available when you implement a particular Ethernet network.
The following figure diagrams the interrelationship of the three hub protocols in
terms of backplane resource use. The examples on the next page indicate you
how you can use the diagram to help make decisions regarding backplane
resource use.
If Ethernet 1 is in use, any networks that overlap Ethernet 1 (meaning that they
share the same backplane resources) are unavailable. As the diagram shows,
using Ethernet 1 makes TR 1 through 6 unavailable.
If Token Ring 15 is in use, any networks that overlap Token Ring 15 (meaning
that they share the same backplane resources) are unavailable. As the diagram
shows, using Token Ring 15 makes Ethernet 3 unavailable.