> # Setting Up Security Associations

> To perform encryption between the switches, a security association (SA) needs to be set up. An administrator manually configures the SA before the encryption can take place. The SA includes parameters such as keys and salt, that are required for encryption. You can set up to 2000 SAs in a switch.

> Note Cisco TrustSec FC Link Encryption is currently supported only on DHCHAP on and off modes.

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