- Written by Shharrnam Narendra Chhatpar
- Posted on August 25, 2019
- Updated on August 25, 2019
- 9888 Views
This feature adds support to configure and apply different COS to TC profiles on Front Panel Ports and Port Channel
- Written by Rahul Kumar Singh
- Posted on November 7, 2019
- Updated on December 27, 2021
- 12508 Views
In campus network deployments, classification of the devices connected to a switch port is required. Based on the
- Written by Swati Patel
- Posted on August 23, 2019
- Updated on August 23, 2019
- 10887 Views
In a Mlag setup with Pim SSM, one peer becomes the DR for a layer 3 interface and is responsible for routing multicast
- Written by Eudean Sun
- Posted on August 28, 2019
- Updated on November 3, 2021
- 12020 Views
Power over Ethernet (PoE) is a way of delivering power and data over the same Ethernet wires. There have been multiple
- Written by Sharad Birmiwal
- Posted on October 11, 2019
- Updated on October 11, 2019
- 11053 Views
This feature allows configuring user defined tunnel RIBs for the resolution of LDP pseudowire endpoints. User
- Written by Cong Du
- Posted on June 29, 2016
- Updated on August 28, 2019
- 12318 Views
This feature provides support for advertising IPv4 unicast Network Layer Reachability Information (NLRI) with
- Written by Mathew Simon
- Posted on November 22, 2017
- Updated on December 27, 2021
- 11225 Views
Multi Agent, Platform independent. This feature supports RFC 7606, which provides improved security and
- Written by Trevor Mendez
- Posted on August 16, 2018
- Updated on April 6, 2021
- 12454 Views
RIB Route Control is a collection of mechanisms for controlling how IP routing table entries get used. FIB Policy
- Written by David Cronin
- Posted on August 26, 2019
- Updated on October 25, 2021
- 14154 Views
This document describes a new CLI command to help debug how and why route maps permit and deny paths. The aim of this CLI
- Written by Maxim Martynov
- Posted on October 9, 2019
- Updated on October 9, 2019
- 9322 Views
RSVP TE Bandwidth management feature allows signaled paths to reserve a specified amount of bandwidth per egress
- Written by Kalash Nainwal
- Posted on October 9, 2019
- Updated on October 9, 2019
- 9801 Views
RSVP TE node protection is a Fast ReRoute feature that provides protection against the failure of nexthop LSR in the
- Written by Nandan Saha
- Posted on August 26, 2019
- Updated on September 5, 2019
- 14420 Views
Segment Routing Traffic Engineering Policy (SR TE) aka SR Policy makes use of Segment Routing (SR) to allow a headend
- Written by Michael (Mike) Fink
- Posted on August 25, 2019
- Updated on August 25, 2019
- 11164 Views
Packets sampled for sFlow are packaged in a flow sample structure containing, amongst other things, input and output
- Written by Shyam Kota
- Posted on August 26, 2019
- Updated on August 26, 2019
- 9003 Views
This feature adds two new show commands to better display route map information. The first show command displays
- Written by Bohan Yang
- Posted on August 28, 2019
- Updated on July 9, 2020
- 26520 Views
Due to hardware constraints on specific platforms, Ethernet interfaces are grouped together, within which their
- Written by Emil Maric
- Posted on October 18, 2019
- Updated on December 17, 2019
- 9904 Views
The existing show traffic engineering segment routing policy ... command supports showing the counters per segment
- Written by Michelle Wang
- Posted on August 28, 2019
- Updated on October 23, 2023
- 11449 Views
SSH certificates (as implemented by OpenSSH, introduced in version 5.4) allow for easy management of user authentication and authorization for passwordless logins, as well as host verification.
- Written by Ethan Rahn
- Posted on September 4, 2019
- Updated on May 20, 2025
- 9104 Views
EOS 4.22.1F release adds support for secure In band connection between CVX and Arista switches. Prior to this
- Written by Poorna Pushkala Balasubramanian
- Posted on August 27, 2019
- Updated on September 5, 2019
- 8404 Views
The Multicast Label Distribution Protocol (RFC 6388) is an extension of LDP to support creation of point to
- Written by Travis Hammond
- Posted on August 23, 2019
- Updated on December 17, 2019
- 8807 Views
A Label Edge Router (LER) decapsulating an MPLS packet may choose to source the TTL and DSCP fields from either the MPLS
- Written by Travis Hammond
- Posted on August 23, 2019
- Updated on December 17, 2019
- 9007 Views
Ingress and egress IPv4 and IPv6 access lists do not automatically match the inner IP header when processing IP over
- Written by Yuanzhi Gao
- Posted on October 14, 2019
- Updated on January 5, 2026
- 9128 Views
Nexthop Group tunnels are a tunneling abstraction in EOS. A nexthop group tunnel consists of a tunnel endpoint (IP prefix) and a nexthop group name representing the underlying nexthop group that forwards the traffic. If the underlying nexthop group is not configured, the tunnel endpoint will be unreachable until the given nexthop group is configured.
- Written by Sandeep Kopuri
- Posted on October 7, 2019
- Updated on November 7, 2025
- 17957 Views
Topology Independent Fast Reroute, or TI-LFA, uses IS-IS SR to build loop-free alternate paths along the post-convergence path. These loop-free alternates provide fast convergence.
- Written by Shyam Kota
- Posted on May 21, 2019
- Updated on June 7, 2023
- 14025 Views
Add the ability to generate SYSLOG messages when a transceiver's digital optical monitoring threshold is crossed.
- Written by Hariram Natarajan
- Posted on January 16, 2020
- Updated on January 17, 2020
- 9756 Views
Configuring the IGP cost for tunnels is a feature that allows influencing the BGP best path selection for routes
- Written by Christopher Brown
- Posted on October 4, 2019
- Updated on October 4, 2019
- 9812 Views
Unequal Cost Multi Path (UCMP) is a mechanism for forwarding traffic for an ECMP route by using a ratio of weights
- Written by Harold Fong
- Posted on August 30, 2019
- Updated on September 5, 2019
- 13816 Views
This feature makes the PTP agent aware of VLANs, running with a single Best Master Clock Algorithm (BMCA). It allows
- Written by Rahul Daga
- Posted on October 7, 2019
- Updated on October 7, 2019
- 6703 Views
This feature allows customers to take user defined actions on “VOQ delete” occurrences on Arad/Jericho based
- Written by Rohit Maurya
- Posted on August 28, 2019
- Updated on March 6, 2026
- 10902 Views
The VXLAN VTEP and VNI counters feature allows the device to count VXLAN packets received and sent by the device on a per VTEP and per VNI basis. Specifically, it enables the device to count bytes and packets that are encapsulated and decapsulated as they are passing through.
- Written by Ravi Krishnamurthy
- Posted on August 23, 2019
- Updated on August 27, 2020
- 13947 Views
The “vxlan bridging vtep to vtep” feature allows VXLAN encapsulated packets ingressed at an Arista switch from a
