This feature adds a configurable GRE protocol type for mirror-to-remote IP addresses.
ExtremeSwitching X450-G2, X460-G2, X670-G2, X435, X440-G2, X465, X590, X620, X690, X870 series switches.
configure mirror to remote-ip protocol-type [erspan-v1 | trans-ether-bridging | user-defined protocol_value]