Brocade Communications Systems 53-1001763-02, Administrator'S Manual

Page: 20 / 586

xx Fabric OS Administrator’s Guide
53-1001763-02
Basic trunk group configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . .428
Re-initializing ports for trunking . . . . . . . . . . . . . . . . . . . . . . . .428
Enabling Trunking on a port . . . . . . . . . . . . . . . . . . . . . . . . . . .428
Enabling Trunking on a switch . . . . . . . . . . . . . . . . . . . . . . . . .428
Displaying trunking information . . . . . . . . . . . . . . . . . . . . . . . .429
Trunking over long distance fabrics . . . . . . . . . . . . . . . . . . . . . . . . .430
F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .431
Prerequisites for F_Port trunking . . . . . . . . . . . . . . . . . . . . . . .431
Enabling F_Port trunking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .432
Disabling F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . .432
F_Port trunking in Virtual Fabrics . . . . . . . . . . . . . . . . . . . . . . .432
F_Port trunking considerations for Virtual Fabrics . . . . . . . . .433
F_Port masterless trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .433
F_Port masterless trunking considerations . . . . . . . . . . . . . . .435
Assigning a Trunk Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .437
Enabling the DCC policy on a Trunk Area . . . . . . . . . . . . . . . . .439
Chapter 20 Managing Long Distance Fabrics
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .441
Long distance fabrics overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .441
Extended Fabrics device limitations . . . . . . . . . . . . . . . . . . . . . . . .442
Long distance link modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .442
Configuring an extended ISL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .443
Enabling long distance when connecting to TDM devices . . .444
Buffer credit management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .445
Buffer-to-Buffer flow control . . . . . . . . . . . . . . . . . . . . . . . . . . .445
Optimal buffer credit allocation . . . . . . . . . . . . . . . . . . . . . . . .446
Fibre Channel gigabit values reference definition. . . . . . . . . .447
Allocating buffer credits based on full-size frames . . . . . . . . .447
Allocating buffer credits based on average-size frames . . . . .449
Allocating buffer credits for F_Ports . . . . . . . . . . . . . . . . . . . . .450
Displaying the remaining buffers in a port group . . . . . . . . . .450
Buffer credits for each switch model . . . . . . . . . . . . . . . . . . . .451
Maximum configurable distances for Extended Fabrics . . . . .452
Buffer credit recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .453
Chapter 21 Using the FC-FC Routing Service
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .455
FC-FC routing service overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .455
Supported platforms for Fibre Channel routing . . . . . . . . . . . .456
Supported configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .456
Integrated Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .457