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SAN Networking

visitor68
Level 4
Level 4

Hello, folks. A little confused about Fibre Channel FLOGIs. Does a server that has 2 HBA ports, each one connected to a separate air-gapped SAN (SAN A and SAN B), log into each SAN fabric? How does that work? Does the server receive 2 FCIDs, one from each SAN? 

Also, does the assigned FCID map to an HBA port, like an IP address is mapped and applied to an Ethernet NIC port? Every  tutorial out there that covers basic Fibre Channel FLOGI semantics always makes the general statement that a "device receives an FCID," and the only visuals given are of a server with 1 connection to 1 SAN, which is very uncommon. 

Thank you in advance. 

1 Reply 1

Bhavin Yadav
Cisco Employee
Cisco Employee

Hi,

Here is the best explanation i have found so far: https://community.cisco.com/t5/storage-networking/pwwn-and-nwwn/td-p/499165