- Written by Pradeep Goyal
- Posted on December 22, 2017
- Updated on May 11, 2018
- 4651 Views
This features enables ARPs learnt on an SVI interface to be converted into Host routes which can further be
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 6, 2022
- 3249 Views
This feature detects whether a given EOS image is MLAG ISSU compatible with the currently running version on a switch.
- Written by Ankush Sharma
- Posted on December 22, 2017
- Updated on December 22, 2017
- 4563 Views
BFD for static routes enables monitoring of directly connected next hop reachability using a BFD session. This is
- Written by Saravanan Sellappa
- Posted on December 9, 2016
- Updated on October 18, 2018
- 3514 Views
This document describes about RFC7130 on EOS. RFC7130 defines a mechanism to run BFD protocol on LAG with an
- Written by Gary McCarthy
- Posted on November 22, 2017
- Updated on February 6, 2022
- 3492 Views
The aggregate address advertise only feature adds the capability of NOT installing the Null0 route in the FIB/kernel
- Written by Abhiram Kalluru
- Posted on August 17, 2018
- Updated on October 2, 2018
- 3121 Views
Prior to this release, BGP in “ribd” mode (when routing protocols are configured in
- Written by Barry Friedman
- Posted on November 22, 2017
- Updated on December 22, 2017
- 4104 Views
BGP Monitoring Protocol (BMP) [1] allows a monitoring station to connect to a router and collect all of the BGP
- Written by Sreedhar Ganjikunta
- Posted on November 22, 2017
- Updated on November 22, 2017
- 2704 Views
Nexthop Groups allow users to manually configure a set of nexthops by specifying their nexthop addresses and
- Written by Josh Pfosi
- Posted on November 22, 2017
- Updated on December 22, 2017
- 2747 Views
This feature adds support for a 'match route type' route map match clause in release 4.20.1F. This clause allows
- Written by VIshnu Vardhan K
- Posted on December 22, 2017
- Updated on December 22, 2017
- 2690 Views
Bidirectional PIM has information on Bidirectional Protocol Independent Mulicast (PIM). Additional information
- Written by Navlok Mishra
- Posted on December 22, 2017
- Updated on December 22, 2017
- 3147 Views
Connectivity Fault Management (CFM) is used in Virtual Bridged Local Area Networks for detecting, isolating, and
- Written by Ziqian XU
- Posted on November 22, 2017
- Updated on November 22, 2017
- 3442 Views
Config checkpoint mechanism provides a shortcut to copy the current running config into a file stored in checkpoint
- Written by Vikas Hegde
- Posted on November 22, 2017
- Updated on April 5, 2021
- 7992 Views
Connectivity Monitor is an EOS feature that allows users to monitor their network resources from their Arista
- Written by Sarang Shrivastava
- Posted on February 15, 2018
- Updated on February 15, 2018
- 2608 Views
Management tools used by customers, in most cases, don’t know beforehand which controller in a CVX HA cluster is the
- Written by Bharath Somayaji
- Posted on November 22, 2017
- Updated on March 3, 2023
- 3606 Views
DHCPv6 Prefix Delegation support enables a DHCP relay agent to program routes for addresses assigned by a DHCP server. The assigned prefixes could either be DHCPv6 IA_PD prefix delegation addresses, or DHCPv6 IA_NA global /128 addresses.
- Written by Ziqian XU
- Posted on November 22, 2017
- Updated on July 21, 2023
- 2700 Views
This feature allows eAPI to run in multiple non default VRFs on the same physical router. In this way, users can
- Written by Kenneth Cheung
- Posted on November 22, 2017
- Updated on July 21, 2023
- 4049 Views
EOS 4.20.1F introduces expanded VRRP, VARP and MLAG Peer Gateway virtual MAC capabilities on the 7500R, 7280R,
- Written by Lavanya Conjeevaram
- Posted on March 31, 2017
- Updated on January 11, 2022
- 6676 Views
Ethernet VPN (EVPN) is an extension of the BGP protocol introducing a new address family: L2VPN (address family
- Written by Lavanya Conjeevaram
- Posted on December 22, 2017
- Updated on July 24, 2023
- 4291 Views
In the traditional data center design, inter subnet forwarding is provided by a centralised router, where traffic
- Written by Lavanya Conjeevaram
- Posted on June 6, 2017
- Updated on December 22, 2017
- 3330 Views
MPLSoGRE Filtered Mirroring is a specialized version of Mirroring to GRE Tunnel and Filtered Mirroring in which
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on December 22, 2017
- 3084 Views
Hardware Table Capacity Monitoring is a new feature to keep track of the capacity and utilization of various hardware
- Written by Zhuohui Tan
- Posted on December 22, 2017
- Updated on October 8, 2018
- 3594 Views
Hierarchical Forwarding Equivalence Class (HFEC) changes a FEC from a single flat level to a multi level FEC
- Written by Christopher Brown
- Posted on December 22, 2017
- Updated on December 22, 2017
- 2750 Views
The IPv6 Neighbor Discovery protocol performs Neighbor Unreachability Detection (NUD) in order to determine if two
- Written by Jayden Navarro
- Posted on November 22, 2017
- Updated on February 7, 2022
- 2680 Views
IPv6 Router Advertisement Consistency Logging, when enabled, allows for notification through syslogging of
- Written by Nikhil Goyal
- Posted on November 22, 2017
- Updated on December 23, 2021
- 2969 Views
IS IS Graceful Restart adds support for Restart Signaling for IS IS, IETF RFC 5306. When IS IS is used
- Written by Isidor Kouvelas
- Posted on December 22, 2017
- Updated on December 9, 2020
- 3981 Views
This feature is available when configuring BGP in the multi agent routing protocol model. Ethernet
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on April 25, 2018
- 3139 Views
L3 interface ingress counters can be used to count routable traffic coming into the box on sub interfaces and vlan
- Written by Nathan Wolfe
- Posted on February 15, 2018
- Updated on June 1, 2023
- 5628 Views
Introduced in EOS-4.20.1F, “selectable hashing fields” feature controls whether a certain header’s field is used in the hash calculation for LAG and ECMP.
- Written by Pinky Agrawal
- Posted on November 22, 2017
- Updated on December 22, 2017
- 2628 Views
LANZ on 7160S 32CQ, 7160 48YC6 and 7160 48TC6 adds support for monitoring congestion on front panel ports with Start,
- Written by Xin Guang (Tony) Du
- Posted on August 25, 2016
- Updated on November 23, 2020
- 5634 Views
The LDP pseudowire feature provides support for emulating Ethernet connections over a Multiprotocol Label
- Written by Sahil Midha
- Posted on December 22, 2017
- Updated on February 6, 2022
- 4070 Views
Link Fault Signalling (LFS) is a mechanism by which remote link faults are asserted over a link experiencing
- Written by Digvijay Gahlot
- Posted on December 22, 2017
- Updated on December 22, 2017
- 2813 Views
Classification of MPLS packets based on traffic class bits in MPLS header for QoS Policy Maps. DCS
- Written by Tarun Soin
- Posted on February 15, 2018
- Updated on July 11, 2019
- 5466 Views
When MLAG peer link goes down, the secondary peer assumes the primary peer is down/dead, and takes over the primary
- Written by Lavanya Conjeevaram
- Posted on November 22, 2017
- Updated on September 4, 2019
- 3169 Views
The feature MP BGP Multicast provides a way to populate the MRIB (Multicast Routing Information Base). MRIB is an
- Written by Mayukh Saubhasik
- Posted on May 1, 2015
- Updated on December 22, 2017
- 3066 Views
EOS 4.15.0F adds support for MPLS encapsulation of IP packets in EOS. The functionality is exposed through two
- Written by Allen Shih
- Posted on November 22, 2017
- Updated on November 22, 2017
- 4804 Views
Multi hop BFD allows for liveness detection between systems whose path may consist of multiple hops. With an
- Written by Shelly Chang
- Posted on November 22, 2017
- Updated on December 22, 2017
- 2954 Views
Multicast Only Fast Reroute (MoFRR) is a feature based on PIM sparse mode (PIM SM) protocol to minimize packet loss in a
- Written by Aparna Karanjkar
- Posted on December 22, 2017
- Updated on February 6, 2022
- 2783 Views
. These are the release notes and configuration guide for the OpenConfig feature available in the 4.20.1F EOS
- Written by Tanushree Bansal
- Posted on November 22, 2017
- Updated on December 22, 2017
- 2608 Views
EOS release 4.20.1F adds OSPFv3 flood pacing support that allows configuring the minimum interval between the
- Written by Santosh Kumar
- Posted on December 22, 2017
- Updated on February 19, 2018
- 3094 Views
Introduction. PIM Static Source Discovery (PIM SM SSD) is a feature implemented as part of PIM SM. Familiarity with
- Written by Jaffar Hameedabdul
- Posted on November 22, 2017
- Updated on November 22, 2017
- 2803 Views
Traffic is managed through policy maps that apply data shaping methods to specific data streams. A policy map is a data
- Written by Srinivas Kovvuri
- Posted on December 22, 2017
- Updated on October 13, 2021
- 4438 Views
Equal Cost Multi path (ECMP) provides the ability to load share traffic across multiple next hops.
- Written by Josh Pfosi
- Posted on April 23, 2018
- Updated on December 7, 2022
- 3034 Views
This feature adds support for "sequential" processing of route-map 'set ext/community' clauses. This feature is enabled via a configuration knob and there is no change in behavior without enabling this knob. The default route-map processing behavior can be summarized as "add then delete".
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on February 7, 2022
- 3422 Views
The BGP labeled unicast (LU) RFC is used to advertise BGP routes with a stack of MPLS labels, thereby allowing
- Written by Mathew Simon
- Posted on November 22, 2017
- Updated on December 27, 2021
- 2897 Views
Multi Agent, Platform independent. This feature supports RFC 7606, which provides improved security and
- Written by Pavan Palaksha
- Posted on March 31, 2017
- Updated on December 22, 2017
- 3339 Views
Hardware Table Capacity Monitoring is an existing feature to keep track of the capacity and utilization of various
- Written by Travis Hammond
- Posted on February 15, 2018
- Updated on February 15, 2018
- 3095 Views
This article describes a new TAP Aggregation TCAM profile and a corresponding enhancement to the TAP Aggregation
- Written by Roee Bar
- Posted on November 22, 2017
- Updated on June 28, 2021
- 2753 Views
This article describes the Tap Aggregation Traffic Steering on MPLS Labels feature. The purpose of this feature is to
- Written by Michael (Mike) Fink
- Posted on February 15, 2018
- Updated on July 21, 2023
- 3179 Views
This feature was introduced in 4.18.2F. All future releases are expected to support User Defined Fields.
- Written by Kevin Amiraux
- Posted on March 31, 2017
- Updated on February 20, 2023
- 3967 Views
This document describes the truncation capability for Tap Aggregation, which allows tapped traffic to be truncated to a smaller size before being transmitted.