Restrictions for Encrypted Traffic Analytics
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For SD-Access deployment, ETA is supported on access ports and Wireless VLAN.
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ETA is not supported on management, port-channel, SVI, and loopback interfaces.
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When an interface has to be configured as a Flexible NetFlow monitor with ETA enabled, ETA should be configured globally prior to configuration of Flexible NetFlow on the interface.
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ETA and transmit (Tx) Switched Port Analyzer (SPAN) is not supported on the same interface.