A device can be configured with up to four mirror analyzer names, including both local port mirroring and remote port mirroring.
For local port mirroring, multiple input ports mirroring to the same output port is allowed only when the analyzer names are the same. However, multiple input ports mirroring to the same output port is not supported when analyzer names are different.
For local port mirroring, the output port cannot participate in Layer 2 or Layer 3 forwarding.
ERSPAN/ACL-based ERSPAN does not support IPv6.
Due to hardware restrictions, currently it only supports to apply the ACL rules to the ingress direction of the mirroring input port.
ERSPAN does not support BGP unnumbered routing and leaked route. The run show analyzer command, the mirror "state" is displayed as Down in these scenarios.
ERSPAN does not support that the output port and input port are the same port.
The ERSPAN output port cannot be a LAG port.

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