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Fabric OS Administrator’s Guide
53-1002446-01
Fibre Channel routing concepts
24
Fibre Channel routing concepts
Fibre Channel routing introduces the following concepts:
•
Fibre Channel router (FC router)
A switch running the FC-FC routing service. Refer to
“Supported platforms for FC-FC routing”
on
page 466 for a list of platforms that can be FC routers.
•
EX_Port and VEX_Port
An EX_Port and VEX_Port function similarly to an E_Port and VE_Port respectively, but
terminate at the switch and do not propagate fabric services or routing topology information
from one edge fabric to another. Refer to the
Fibre Channel over IP Administrator’s Guide
for
details about VE_Ports.
•
Edge fabric
An edge fabric is a Fibre Channel fabric with targets and initiators connected through the
supported platforms by using an EX_Port or VEX_Port.
•
Backbone fabric
A backbone fabric is an intermediate network that connects one or more edge fabrics. In a
SAN, the backbone fabric consists of at least one FC router and possibly a number of
Fabric OS-based Fibre Channel switches (refer to
Figure 74
on page 471).
•
Inter-fabric link (IFL)
The link between an E_Port and EX_Port, or VE_Port and VEX_Port, is called an
inter-fabric link
(IFL). You can configure multiple IFLs from an FC router to an edge fabric.
Figure 72
shows a metaSAN consisting of three edge fabrics connected through a Brocade
DCX with inter-fabric links.
FIGURE 72
A metaSAN with inter-fabric links
Edge
fabric 2
Host
Target
Target
Edge
fabric 1
Edge
fabric 3
Fibre
Channel
switch
E_Port
E_Port
E_Port
EX_Ports
IFL
IFL
FC router
Long distance IFL
Fibre
Channel
switch
Edge
fabric 2
Host
Target
Target
Edge
fabric 1
Edge
fabric 3
Fibre
Channel
switch
E_Port
E_Port
E_Port
EX_Ports
IFL
IFL
FC router
Long distance IFL
Fibre
Channel
switch
Summary of Contents for Fabric OS v7.0.1
Page 1: ...53 1002446 01 15 December 2011 Fabric OS Administrator s Guide Supporting Fabric OS v7 0 1 ...
Page 22: ...xxii Fabric OS Administrator s Guide 53 1002446 01 ...
Page 26: ...xxvi Fabric OS Administrator s Guide 53 1002446 01 ...
Page 30: ...xxx Fabric OS Administrator s Guide 53 1002446 01 ...
Page 38: ...xl Fabric OS Administrator s Guide 53 1002446 01 ...
Page 40: ...2 Fabric OS Administrator s Guide 53 1002446 01 ...
Page 214: ...176 Fabric OS Administrator s Guide 53 1002446 01 Management interface security 7 ...
Page 228: ...190 Fabric OS Administrator s Guide 53 1002446 01 Brocade configuration form 8 ...
Page 248: ...210 Fabric OS Administrator s Guide 53 1002446 01 Validating a firmware download 9 ...
Page 334: ...296 Fabric OS Administrator s Guide 53 1002446 01 Setting up TI over FCR sample procedure 12 ...
Page 360: ...322 Fabric OS Administrator s Guide 53 1002446 01 Encryption and compression example 14 ...
Page 404: ...366 Fabric OS Administrator s Guide 53 1002446 01 ...
Page 430: ...392 Fabric OS Administrator s Guide 53 1002446 01 Ports on Demand 18 ...
Page 502: ...464 Fabric OS Administrator s Guide 53 1002446 01 Buffer credit recovery 23 ...
Page 572: ...534 Fabric OS Administrator s Guide 53 1002446 01 Hexadecimal overview D ...
Page 584: ...546 Fabric OS Administrator s Guide 53 1002446 01 ...