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Fabric OS Administrator’s Guide
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53-1002446-01
QoS zones
21
•
QoS over FC routers is supported for the following configurations:
-
Edge-to-edge fabric configuration: supported on all platforms.
-
Backbone-to-edge fabric configuration: supported on 16-Gbps-capable platforms only
(Brocade 6510 and Brocade DCX 8510 family), and only if the setup contains no other
platforms. For all other platforms, you cannot prioritize the flow between a device in an
edge fabric and a device in the backbone fabric.
•
QoS over FC routers is supported only if Virtual Fabrics is disabled in the backbone fabric. QoS
over FC routers cannot be enabled if Virtual Fabrics is also enabled in the backbone fabric.
•
The port WWN of the host or target and the port WWN of the proxy device must be in both an
LSAN zone and a QoS zone.
•
QoS over FC routers is supported on both EX_Ports and VEX_Ports. QoS over FC routers is not
supported on the FR4-18i blade.
•
The EX_Ports (or VEX_Ports) in the path between the QoS devices must be on switches running
Fabric OS v6.3.0 or later.
•
QoS zones must use WWN notation only; D,I notation is not supported for QoS over FCR.
•
An Adaptive Networking license must be installed on every switch that is in the path between a
given configured device pair, including the switches in the backbone fabric and both edge
fabrics.
Virtual Fabrics considerations for QoS zone-based traffic prioritization
You can prioritize flows between devices in a logical fabric. The priority is retained for traffic going
across ISLs and through the base fabric XISLs.
For example,
Figure 68
shows a logical fabric that includes H1 and S1. To set the traffic between
H1 and S1 to high priority, create a QoS zone in the logical fabric with H1 and S1 as members. Then
enable QoS on all of the E_Ports shown circled in the figure, including all of the E_Ports in the XISLs
(ports 10, 11, 12, 13, 14, 15, 16, and 17).
FIGURE 68
Traffic prioritization in a logical fabric
= High priority
Chassis 1
Chassis 2
H1
S1
Domain 1
Domain 2
Base switch
Domain 9
LS2, FID3
Domain 6
LS1, FID1
Domain 5
Base switch
Domain 10
LS4, FID3
Domain 8
LS3, FID1
Domain 7
Domain 3
= E_Ports with QoS enabled
12
1
8
5
3
8
16
14
10
9
11
13
15
17
7
6
4
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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 ...
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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 ...
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