MPLSoGRE Filtered Mirroring is a specialized version of Mirroring to GRE Tunnel and Filtered Mirroring in which

This feature will allow the user to select whether port mirror destinations of type GRE tunnel include the optional “key” field in the GRE header on certain platforms.  The key field allows the user to uniquely identify a particular packet flow.  The feature also allows the user to specify the value of the 32 bit key field.  The format of the key field within the GRE header can be seen in RFC 1701 - Generic Routing Encapsulation (GRE).

Explicit Congestion Notification (ECN) is an IP and TCP extension that facilitates end to end network congestion

Mirroring ACL 4.21.3F

Arista switches provide several mirroring features. Filtered mirroring to CPU adds a special destination to the

Mirroring CPU 4.24.0F

This feature adds support for allowing multiple destinations in a single monitor session. Reference

This article describes some enhanced mirroring configurations in addition to the ones described in

Mirroring Sand 4.24.2F

Sampled Mirroring is an extension of the Mirroring feature and sampling is a property of the

Mirroring TOI EOS 4.18.1F

GRE (Generic Routing Encapsulation) packet header has a Key extension which is used by Arista to carry packet

This feature allows traffic ingressing a VLAN to be mirrored. It mirrors based on the VLAN tag in the Ethernet header, so it is not port based.

Mirroring Vlan EOS 4.28.1F