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

Fabric OS Administrator’s Guide xxi
53-1001336-02
F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .447
Prerequisites for F_Port Trunking . . . . . . . . . . . . . . . . . . . . . . .447
Enabling F_Port trunking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .448
Disabling F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . .448
F_Port Trunking in Virtual Fabrics. . . . . . . . . . . . . . . . . . . . . . .448
F_Port trunking considerations for Virtual Fabrics . . . . . . . . .448
F_Port masterless trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .449
F_Port masterless trunking considerations . . . . . . . . . . . . . . .450
Assigning a Trunk Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .453
Enabling the DCC policy on a Trunk Area . . . . . . . . . . . . . . . . .454
Chapter 20 Managing Long Distance Fabrics
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .455
Long distance fabrics overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .455
Extended Fabrics device limitations . . . . . . . . . . . . . . . . . . . . . . . .456
Long distance link modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .456
Configuring an extended ISL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .457
Enabling long distance when connecting to TDM devices . . .458
Buffer credit management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .459
Buffer-to-Buffer flow control . . . . . . . . . . . . . . . . . . . . . . . . . . .459
Optimal buffer credit allocation . . . . . . . . . . . . . . . . . . . . . . . .460
Fibre Channel gigabit values reference definition. . . . . . . . . .461
Allocating buffer credits based on full-size frames . . . . . . . . .461
Allocating buffer credits based on average-size frames . . . . .463
Allocating buffer credits for F_Ports . . . . . . . . . . . . . . . . . . . . .464
Displaying the remaining buffers in a port group . . . . . . . . . .464
Buffer credits for each switch model . . . . . . . . . . . . . . . . . . . .465
Maximum configurable distances for Extended Fabrics . . . . .466
Buffer credit recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .467
Chapter 21 Using the FC-FC Routing Service
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .469
FC-FC routing service overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .469
Supported platforms for Fibre Channel routing . . . . . . . . . . . .470
Supported configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .470
Integrated Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Fibre Channel routing concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Proxy devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .475
Routing types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .475
Phantom domains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Setting up the FC-FC routing service . . . . . . . . . . . . . . . . . . . . . . . .478
Verifying the setup for FC-FC routing . . . . . . . . . . . . . . . . . . . .478
Backbone fabric IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .480
Assigning backbone fabric IDs . . . . . . . . . . . . . . . . . . . . . . . . .481
FCIP tunnel configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .481