Fabric OS Administrator’s Guide xix
53-1001763-02
Performance data collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .399

Chapter 18 Optimizing Fabric Behavior

In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401
Adaptive Networking overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401
Ingress Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .402
Limiting traffic from a particular device . . . . . . . . . . . . . . . . . .403
Disabling ingress rate limiting. . . . . . . . . . . . . . . . . . . . . . . . . .403
QoS: SID/DID traffic prioritization . . . . . . . . . . . . . . . . . . . . . . . . . .403
License requirements for traffic prioritization . . . . . . . . . . . . .404
QoS zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .406
QoS on E_Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .407
QoS over FC routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .408
Virtual Fabric considerations for traffic prioritization . . . . . . .409
High availability considerations for traffic prioritization . . . . . 410
Supported configurations for traffic prioritization . . . . . . . . . .410
Upgrade considerations for traffic prioritization . . . . . . . . . . .410
Limitations and restrictions for traffic prioritization . . . . . . . .413
Setting traffic prioritization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Setting traffic prioritization over FC routers . . . . . . . . . . . . . . . . . .415
Disabling QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .416
Bottleneck detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .416
Supported configurations for bottleneck detection. . . . . . . . . 417
How bottlenecks are reported. . . . . . . . . . . . . . . . . . . . . . . . . . 417
Limitations of bottleneck detection . . . . . . . . . . . . . . . . . . . . . 417
High availability considerations for bottleneck detection . . . . 417
Upgrade and downgrade considerations for bottleneck detection418
Trunking considerations for bottleneck detection . . . . . . . . . .418
Virtual Fabrics considerations for bottleneck detection . . . . .418
Access Gateway considerations for bottleneck detection. . . .418
Enabling bottleneck detection on a switch . . . . . . . . . . . . . . . . . . .419
Excluding a port from bottleneck detection . . . . . . . . . . . . . . . . . .419
Displaying bottleneck detection configuration details . . . . . . . . . .420
Changing bottleneck alert parameters . . . . . . . . . . . . . . . . . . . . . .420
Displaying bottleneck statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . .422
Disabling bottleneck detection on a switch . . . . . . . . . . . . . . . . . .423

Chapter 19 Managing Trunking Connections

In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .425
Trunking overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .425
Criteria for managing trunking connections. . . . . . . . . . . . . . .426
Supported hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .427
Recommendations for trunking groups. . . . . . . . . . . . . . . . . . . . . .427