Pre-shared key
MKA protects the integrity of MKPDUs and secures the SAK using keys that are derived from the CAK. The CAK and CKN are configured as part of a pre-shared key (PSK) entry under the static CAK configuration.
The 7705 SAR supports the following methods for configuring a static CAK:
Active PSK and MACsec keychain configurations do not operate simultaneously. When a keychain is configured, it takes precedence over the active PSK configuration. When a keychain is not configured, the active PSK is used.