Brocade Fabric OS Administrator's Guide Supporting Fabric OS v6.3.0 (53-1001336-02, November 2009)

xx Fabric OS Administrator’s Guide
53-1001336-02
QoS: Ingress Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .423
Limiting traffic from a particular device . . . . . . . . . . . . . . . . . .423
Disabling ingress rate limiting. . . . . . . . . . . . . . . . . . . . . . . . . .423
QoS: SID/DID traffic prioritization . . . . . . . . . . . . . . . . . . . . . . . . . .424
License requirements for traffic prioritization . . . . . . . . . . . . .424
QoS zones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .426
QoS on E_Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .428
QoS over FC routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .428
Virtual Fabric considerations for traffic prioritization . . . . . . .429
High availability considerations for traffic prioritization . . . . .430
Supported configurations for traffic prioritization . . . . . . . . . .430
Upgrade considerations for traffic prioritization . . . . . . . . . . .431
Limitations and restrictions for traffic prioritization . . . . . . . .433
Setting traffic prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . .434
Setting traffic prioritization over FC routers . . . . . . . . . . . . . . .435
Bottleneck detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .436
Supported configurations for bottleneck detection. . . . . . . . .436
How bottlenecks are reported. . . . . . . . . . . . . . . . . . . . . . . . . .437
Which ports should have bottleneck detection . . . . . . . . . . . .437
Limitations of bottleneck detection . . . . . . . . . . . . . . . . . . . . .437
High availability considerations for bottleneck detection . . . .437
Upgrade and downgrade considerations for bottleneck
detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .437
Virtual Fabrics considerations for bottleneck detection . . . . .438
Access Gateway considerations for bottleneck detection. . . .438
Enabling bottleneck detection on a port . . . . . . . . . . . . . . . . .438
Displaying list of ports on which bottleneck detection is
enabled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .439
Disabling bottleneck detection on a port . . . . . . . . . . . . . . . . .439
Changing bottleneck settings on a port . . . . . . . . . . . . . . . . . .439
Displaying history of bottlenecks on a port . . . . . . . . . . . . . . .440
Chapter 19 Managing Trunking Connections
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .441
Trunking overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .441
Criteria for managing trunking connections. . . . . . . . . . . . . . .442
Supported hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .443
Recommendations for trunking groups . . . . . . . . . . . . . . . . . . . . . .443
Basic trunk group configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . .444
Re-initializing ports for trunking . . . . . . . . . . . . . . . . . . . . . . . .444
Enabling Trunking on a port . . . . . . . . . . . . . . . . . . . . . . . . . . .444
Enabling Trunking on a switch . . . . . . . . . . . . . . . . . . . . . . . . .444
Displaying trunking information . . . . . . . . . . . . . . . . . . . . . . . .445
Trunking over long distance fabrics . . . . . . . . . . . . . . . . . . . . . . . . .446