Dell Brocade 6520 Administrator's Guide Supporting Fabric OS 7.1.0 - Page 345

Chapter Traffic Isolation Zoning 12 In this chapter •Traffic Isolation Zoning overview 345 •Enhanced TI zones 350 •Traffic Isolation Zoning over FC routers 352 •General rules for TI zones 356 •Supported configurations for Traffic Isolation Zoning 358 •Limitations and restrictions of Traffic Isolation Zoning 359 •Admin Domain considerations for Traffic Isolation Zoning 360 •Virtual Fabrics considerations for Traffic Isolation Zoning 361 •Traffic Isolation Zoning over FC routers with Virtual Fabrics 363 •Creating a TI zone 364 •Modifying TI zones 367 •Changing the state of a TI zone 368 •Deleting a TI zone 369 •Displaying TI zones 369 •Troubleshooting TI zone routing problems 370 •Setting up TI over FCR (sample procedure 371 Traffic Isolation Zoning overview The Traffic Isolation Zoning feature allows you to control the flow of interswitch traffic by creating a dedicated path for traffic flowing from a specific set of source ports (N_Ports). For example, you might use Traffic Isolation Zoning for the following scenarios: • To dedicate an ISL to high priority, host-to-target traffic. • To force high volume, low priority traffic onto a given ISL to limit the effect on the fabric of this high traffic pattern. • To ensure that requests and responses of FCIP-based applications such as tape pipelining use the same VE_Port tunnel across a metaSAN. Traffic Isolation Zoning does not require a license. Traffic isolation is implemented using a special zone, called a Traffic Isolation zone (TI zone). A TI zone indicates the set of N_Ports and E_Ports to be used for a specific traffic flow. When a TI zone is activated, the fabric attempts to isolate all inter-switch traffic entering from a member of the zone to only those E_Ports that have been included in the zone. The fabric also attempts to exclude traffic not in the TI zone from using E_Ports within that TI zone. Fabric OS Administrator's Guide 345 53-1002745-02