Fabric OS Administrator's Guide v7.0.0 (53-1002148-02, June 2011)

Fabric OS Administrator’s Guide xxi
53-1002148-02
ICL trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .435
Supported platforms for ICL trunking . . . . . . . . . . . . . . . . . . . .435
ICL trunking on the Brocade DCX 8510-8 and 8510-4 . . . . . .435
ICL trunking on the Brocade DCX and DCX-4S. . . . . . . . . . . . .436
EX_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .436
Masterless EX_Port trunking. . . . . . . . . . . . . . . . . . . . . . . . . . .437
Supported configurations and platforms . . . . . . . . . . . . . . . . .437
Configuring EX_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . .437
Displaying EX_Port trunking information . . . . . . . . . . . . . . . . .438
F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .438
F_Port trunking for Access Gateway . . . . . . . . . . . . . . . . . . . . .438
F_Port trunking for Brocade adapters . . . . . . . . . . . . . . . . . . .440
F_Port trunking considerations. . . . . . . . . . . . . . . . . . . . . . . . .440
Trunk Area and Admin Domains . . . . . . . . . . . . . . . . . . . . . . . .442
F_Port trunking in Virtual Fabrics . . . . . . . . . . . . . . . . . . . . . . .442
Configuring F_Port trunking for Access Gateway . . . . . . . . . . . . . .443
Configuring F_Port trunking for Brocade adapters . . . . . . . . . . . . .444
Displaying F_Port trunking information . . . . . . . . . . . . . . . . . . . . . .444
Disabling F_Port trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .445
Enabling the DCC policy on a trunk area. . . . . . . . . . . . . . . . . . . . .445
Chapter 22 Managing Long Distance Fabrics
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .447
Long distance fabrics overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .447
Extended Fabrics device limitations . . . . . . . . . . . . . . . . . . . . . . . .448
Long distance link modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .448
Configuring an extended ISL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .448
Enabling long distance when connecting to TDM devices . . .450
Buffer credit management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .450
Buffer-to-Buffer flow control . . . . . . . . . . . . . . . . . . . . . . . . . . .451
Optimal buffer credit allocation . . . . . . . . . . . . . . . . . . . . . . . .452
Fibre Channel gigabit values reference definition. . . . . . . . . .452
Allocating buffer credits based on full-size frames . . . . . . . . .453
Allocating buffer credits based on average-size frames . . . . .455
Allocating buffer credits for F_Ports . . . . . . . . . . . . . . . . . . . . .456
Displaying the remaining buffers in a port group . . . . . . . . . .456
Buffer credits for each switch model . . . . . . . . . . . . . . . . . . . .456
Maximum configurable distances for Extended Fabrics . . . . .457
Buffer credit recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .458
Chapter 23 Using the FC-FC Routing Service
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .461