Brocade Fabric OS Administrators Guide (Supporting Fabric OS v7.3.0) - Manual (Page 351)

FIGURE 41 TI zone in a backbone fabric
TI zones within the backbone fabric use the port WWN instead of D,I notation for devices that are to
communicate across fabrics. (You can use the portShow command to obtain the port WWN.) Port
WWNs should be used only in TI zones within a backbone fabric and should not be used in other TI
zones.
Using D,I and port WWN notation, the members of the TI zone in Figure 41 are as follows:
• 1,1 (EX_Port for FC router 1)
• 1,4 (VE_Port for FC router 1)
• 2,7 (VE_Port for FC router 2)
• 2,1 (EX_Port for FC router 2)
• 10:00:00:00:00:01:00:00 (Port WWN for the host)
• 10:00:00:00:00:02:00:00 (Port WWN for target 1)
• 10:00:00:00:00:03:00:00 (Port WWN for target 2)
Limitations of TI zones over FC routers
Be aware of the following when configuring TI zones over FC routers:
• A TI zone defined within the backbone fabric does not guarantee that edge fabric traffic will arrive at
a particular EX_Port. You must set up a TI zone in the edge fabric to guarantee this.
• TI zones within the backbone fabric cannot contain more than one destination router port (DRP) per
each fabric. This means you cannot define more than one EX_Port to any one edge fabric unless
they are part of a trunk.
• Only one egress E_Port or VE_Port connected to the next hop can be defined within TI zones. Only
one ISL or trunk can be defined between two backbone switches.
• TI over FCR is supported only from edge fabric to edge fabric. Traffic isolation from backbone to
edge is not supported.
• Non-TI data traffic is not restricted from going through the TI path in the backbone fabric.
Limitations of TI zones over FC routers
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