TI zone can specify one or more ISL (Inter Switch Link) dedicated for a zone, without any license. You must install Integrated Routing license to enable this feature. It allows the devices in different fabrics to communicate via the FC router. LSAN zone is only used when enabled FCR (Fibre Channel Routing). In a mixed zone mode, the commutation relies on switch CPU’s software validation. When a device uses D, P and WWN zones in two or more zones, the device will get into the mixed zone mode. If the switch is connected NPIV devices, WWN zone is required.ģ. Once the device moves to another port, there is no need to change the zone configuration. It does not care the devices connect to which ports. This zone allows the devices who have the specified WWN to communicate with each other. So you do not need to make any change to the zone configuration after replacing the host HBA card. The change of the device will not affect the zoning configuration. This zone allows the devices connected to the ports to communicate with each other. Both of them are all controlled by chips now. Now they call Domain ID or port based zone as hard zone, and the WWN based zone as soft zone. The difference is, the hard zone is implemented by the chip, while the soft zone is implemented by the software. The switch vendors used to define two kinds of zones, the hard zone and soft zone. If the device does not belong to this zone, it could not communicate with the devices in this zone. Once a zone is configured, only the devices in this zone can talk with each other. By adding the specific devices to a zone, the administrator can allow the devices to communicate with each other. Zone is a logical configuration on FC-SAN switches.
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