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Introduction 1 - 9
This is not true for Token Ring and FDDI networks and paths. There are 7
available Token Ring networks and 15 Token Ring paths. For FDDI, there
are 4 available FDDI networks and 8 FDDI paths. When you assign a
module or port to a network, the master management module dynamically
allocates the best possible path currently available for your configuration.
Following Figure 1-3 are Table 1-1, Table 1-2, and Table 1-3, which provide
reference tables for configuring Ethernet, Token Ring, and FDDI networks
in one concentrator. These tables define which networks paths are
removed when certain network paths are used. Refer to these charts to
determine the number and types of different protocol combinations you
can have in one concentrator.
You may want to issue the SHOW NETWORK PATHS command before and
after you configure networks to modules or ports to display which network
paths are in use.
Figure 1-3. TriChannel Backplane Architecture Assignments
FDDI 1
TR6
FDDI 2
FDDI 3
Ethernet 1
Ethernet 2
Ethernet 3
TR7 TR8
TR9
TR10
TR11
FDDI 5
FDDI 6
TR12*
TR13 TR15 TR14
FDDI 4
FDDI 17
FDDI 18
TR3
TR5
TR4
TR1 TR2
ONline
Backplane
*TR12 overlays part of FDDI 6, but it does not affect the Ethernet 2 path.