About Cisco switch discovery
Using SNMP communication, the following properties of Cisco switches are discovered:
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VSANs
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Switches (including switches in NPV mode)
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Switch ports
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Active zones and their zone members
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Connectivity information between switches and HBA or storage array ports (FC or FCoE including NPIV)
Cisco switch discovery prerequisites are as follows:
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Supported switch operating systems versions: Cisco SAN OS 3.1 (model DS-C9509 and DS-C9124-K9) and Cisco NX-OS 5.1 (model N5K-C5548UP)
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All switches in the fabric must have the same user credentials.
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Cisco switches in NPV mode cannot be configured as seed switches.
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Discovery of mixed-vendor fabrics is not supported.
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Ensure that the UDP port 161 is open between the discovery host and Cisco switch.
The supported SNMP protocol versions are SNMP v1, v2c, and v3. However, when you select SNMP v1/v2c while configuring the switch discovery, SNMP v2c is used for the discovery.
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