Fabric OS Administrator’s Guide 269
53-1002446-01
Chapter
12
Traffic Isolation Zoning
In this chapter
•Traffic Isolation Zoning overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
•Enhanced TI zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
•Traffic Isolation Zoning over FC routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
•General rules for TI zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
•Supported configurations for Traffic Isolation Zoning. . . . . . . . . . . . . . . . . 280
•Limitations and restrictions of Traffic Isolation Zoning. . . . . . . . . . . . . . . . 281
•Admin Domain considerations for Traffic Isolation Zoning. . . . . . . . . . . . . 282
•Virtual Fabric considerations for Traffic Isolation Zoning . . . . . . . . . . . . . . 282
•Traffic Isolation Zoning over FC routers with Virtual Fabrics . . . . . . . . . . . 284
•Creating a TI zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
•Modifying TI zones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
•Changing the state of a TI zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
•Deleting a TI zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
•Displaying TI zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
•Troubleshooting TI zone routing problems. . . . . . . . . . . . . . . . . . . . . . . . . . 291
•Setting up TI over FCR (sample procedure) . . . . . . . . . . . . . . . . . . . . . . . . . 292
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.
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