The ESS supports the switched-fabric topology with point-to-point protocol. The
ESS fibre-channel adapter should be configured to operate in point-to-point mode
when you connect it to point-to-point topologies or fabric topologies. See Figure 5.
Arbitrated loop
Fibre-channel arbitrated loop (FC-AL) is a ring topology that allows you to
interconnect a set of nodes. The maximum number of ports you can have for a
fibre-channel arbitrated loop is 127. See Figure 6 on page 12.
The ESS supports FC-AL as a private loop. It does not support the fabric-switching
functions in FC-AL.
S008945N
1
2
2
1
3
3
3
Legend
«1¬
is the host system.
«2¬
is the ESS.
«3¬
is a switch.
Figure 5. Switched fabric topology
Chapter 1. Introduction
11
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