400GBASE ZR transceiver is the industry’s first multi vendor DWDM standard, a Digital Coherent Optical module

4.25.2F 400GBASE-ZR

This article describes a feature for Tap Aggregation mode, which strips IEEE 802.1BR E-Tag and Cisco VN-Tag headers from all tagged packets received on tap interface before delivering them out of tool interfaces.

BFD (Bidirectional Forwarding Detection) session telemetry allows for the collection of per session statistics as

CVP BFD Telemetry 4.25.2F

DHCP Relay feature forwards DHCP packets between client and server when the DHCP Server is not in the same broadcast

EOS supports the DHCP Relay feature, which relays DHCP Requests/Responses between DHCP clients and DHCP servers in different subnets. 

DHCP Snooping 4.25.2F

The feature allows assigning of class E addresses to interfaces by default with no option to turn that off and routing

The Segment security feature provides the convenience of applying policies on segments rather than interfaces or

In EVPN deployment with VXLAN underlay when an EVPN type 5 prefix is imported into an IP VRF, the IGP cost of the underlay

EVPN 4.25.2F

InfluxDB telemetry streaming feature enables telemetry data collection with Telegraf on box, and allows streaming

In a multihomed EVPN MPLS configuration, BUM packets sent from a non designated forwarder (Non DF) PE to a designated


The current behaviour on R series products is to drop all packets marked for drop by the chip Packet Processor in the

4.25.2F EOS 4.25.2F

This feature may be used for redistributing OSPFv2 leaked and non leaked routes from one instance to another when

Routes covered by a resilient equal cost multi path (RECMP) prefix are types of routes that make use of hardware tables

Sampled flow tracking with IPFIX export is supported on most of the Arista platforms. User configured sampling rate

4.25.2F introduces storm control with packet per second support in the platforms listed below. TOI describing the

Storm Control 4.25.2F

Storm control enables traffic policing on floods of packets on L2 switching networks. The documentation describes

Storm Control 4.25.2F

Prior to 4.25.2F, support for BGP PIC was restricted to locally identifiable failures such as link failures. If a


By default, sFlow samples that are generated have a fixed size: 128 bytes. This feature adds support for a

This feature addresses cases where the deployment infrastructure in an OpenStack setup which manages Virtual

This feature terminates GRE packets on a TapAgg switch by stripping the GRE header and then letting the decapped

In addition to MACsec on physical interfaces, Media Access Control Security (MACsec) MACsec can also be enabled on subinterfaces

VLAN Tag MacSec 4.25.2F

In EOS 4.25.2F release, VRRP support is enabled on the following platforms,. DCS 7280R3. DCS 7500R3.

Vrrp 4.25.2F