- Written by Kartik Chandran
- Posted on October 4, 2019
- Updated on October 4, 2019
- 8623 Views
QSFP100 100G 4/40G/10G/25G/50 2. OSFP 50G 1, 100G 2, 200G 4, 400G 4. OSFP 25G, 50G 2, 100G 4, 10G, 40G
- Written by Mohammed Ali
- Posted on August 27, 2019
- Updated on August 27, 2019
- 8104 Views
This is an addendum to this TOI, which adds Accelerated Software Upgrade support for the 7280TR 48C6. All other
Arista Macro Segmentation Service (MSS) integration with Check Point Software Technologies Firewalls
- Written by Mihyar Baroudi
- Posted on November 12, 2019
- Updated on May 20, 2025
- 10371 Views
This document explains how to configure and deploy Arista MSS with Check Point Software Technologies firewalls
- Written by Shyam Kota
- Posted on February 14, 2019
- Updated on May 20, 2025
- 11645 Views
This document explains how to configure and deploy Arista MSS with Fortinet FortiGate firewalls (also called
- Written by Will Rideout
- Posted on August 23, 2019
- Updated on September 5, 2019
- 8781 Views
Bidirectional Forwarding Detection (BFD) control packets contain several bit flags which advertise session
- Written by Sandeep Betha
- Posted on January 22, 2021
- Updated on March 7, 2025
- 14329 Views
This feature adds support for user-configured BGP Nexthop Resolution RIB profiles for various BGP-based services e.g. IP unicast, L3 VPN, EVPN, etc. The feature allows an administrator to customize the next hop resolution semantics of BGP routes with an ordered list, or profile, of resolution RIB domains (i.e., either tunnel or IP domain). This allows EOS to direct specific services over the specified RIB domains, overriding the default behavior.
- Written by Yaonan Liang
- Posted on October 11, 2019
- Updated on October 11, 2019
- 9912 Views
BGP update wait for convergence feature prevents BGP from programming routes into hardware and advertising routes
- Written by Shyam Kota
- Posted on March 11, 2020
- Updated on March 11, 2020
- 9582 Views
This mechanism allows a session to lock the configuration of the switch to prevent any other session from altering the
- Written by VIKAS NARAYANAPPA
- Posted on August 23, 2019
- Updated on September 5, 2019
- 8949 Views
Network operators usually configure load balancing in their networks in order to distribute load across the links to
- Written by Hussein Salemwalla
- Posted on August 25, 2019
- Updated on February 14, 2022
- 9224 Views
The CVX preserve client state feature allows client state to be preserved on CVX even when the management connection
- Written by Sourav Basu
- Posted on October 4, 2019
- Updated on October 4, 2019
- 8721 Views
The EOS DHCP relay agent now supports forwarding of DHCP requests to DHCP servers located in a different VRF to the DHCP
- Written by Devon McAvoy
- Posted on October 4, 2019
- Updated on July 31, 2024
- 13421 Views
DirectFlow runs alongside the existing layer 2/3 forwarding plane, enabling a network architecture that incorporates new capabilities, such as TAP aggregation and custom traffic engineering, alongside traditional forwarding models. DirectFlow allows users to define flows that consist of match conditions and actions to perform that are a superset of the OpenFlow 1.0 specification. DirectFlow does not require a controller or any third party integration as flows can be installed via the CLI.
- Written by Kundan Sen
- Posted on August 23, 2019
- Updated on September 5, 2019
- 8891 Views
EOS 4.22.1F adds support for disabling the IS IS authentication check for received IS IS PDUs. By enabling this
- Written by Jifei Song
- Posted on October 7, 2019
- Updated on October 7, 2019
- 8388 Views
When passive non Dot1x speaking devices are connected to Dot1x port and it is expected that they would be
- Written by Nikhil Goyal
- Posted on October 7, 2019
- Updated on December 21, 2021
- 9776 Views
The differentiated services code point (DSCP) is a 6 bit field in the IP header, which can be used to mark traffic for
- Written by Konrad Ciekot
- Posted on October 24, 2019
- Updated on October 24, 2019
- 12228 Views
As of 4.22.1F Load Balance Profiles can be used to explicitly configure ECMP Load Balance parameters. In addition,
- Written by Seng Leung
- Posted on August 27, 2019
- Updated on August 27, 2019
- 9878 Views
gNOI (gRPC Network Operations Interface) defines a set of gRPC based microservices for executing operational
- Written by Seng Leung
- Posted on August 27, 2019
- Updated on August 27, 2019
- 9250 Views
gNOI (gRPC Network Operations Interface) defines a set of gRPC based microservices for executing operational
- Written by Gowtham Rameshkumar
- Posted on August 26, 2019
- Updated on November 11, 2019
- 10897 Views
This feature introduces hardware forwarding support for IPv4 over IPv4 GRE tunnel interfaces on selected Arista
- Written by Nitin Singh
- Posted on November 14, 2019
- Updated on May 20, 2025
- 8196 Views
This solution builds upon the feature developed in previous releases for federating multiple instances of VCS
- Written by Prashant Srinivas
- Posted on October 12, 2019
- Updated on October 12, 2019
- 10058 Views
This feature allows the leaking of connected routes from one VRF (the source VRF) to another VRF (the destination VRF)
- Written by Satish Somanchi
- Posted on August 26, 2019
- Updated on September 5, 2019
- 10737 Views
4.22.1F introduces support for ip address virtual for PIM and IGMP in MLAG and Vxlan. On a VLAN, the same IP address can
- Written by Huong Nguyen
- Posted on August 27, 2019
- Updated on October 12, 2023
- 9789 Views
Support for DHCPv4 and DHCPv6 Server was added to EOS 4.22.1 and EOS 4.23.0 respectively. The feature is based on ISC
- Written by Dawon Lee
- Posted on September 4, 2019
- Updated on September 4, 2019
- 9047 Views
Lanz Mirroring feature allows users to automatically mirror traffic queued as a result of congestion to either CPU or
- Written by Shyam Kota
- Posted on August 23, 2019
- Updated on August 23, 2019
- 8070 Views
Add support for IPv6 management address in LLDP. An LLDP packet requires a management address, that is typically one
- Written by Sébastien Keller
- Posted on August 25, 2019
- Updated on October 30, 2020
- 9331 Views
When using ingress replication, there are two possible buffer types: mini multicast buffers and full multicast
- Written by Sam Ho
- Posted on August 25, 2019
- Updated on May 2, 2024
- 11195 Views
This feature adds support for allowing multiple destinations in a single monitor session.
- Written by Pradeep Goyal
- Posted on October 4, 2019
- Updated on October 4, 2019
- 8281 Views
RFC4364 supports exporting VRF routes into the VPN table and advertising these VPN routes to peers. Exporting the VRF
- Written by Zach Waltman
- Posted on November 12, 2019
- Updated on November 12, 2019
- 9603 Views
The Multicast Source Discovery Protocol (MSDP) provides a mechanism to connect together multiple PIM Sparse Mode
- Written by Allyn Wade
- Posted on August 27, 2019
- Updated on May 8, 2020
- 12080 Views
Octa is a process which combines OpenConfig and certain TerminAttr functionality, primarily with the intent of
- Written by Hind Kishore Geel
- Posted on December 22, 2020
- Updated on February 5, 2022
- 10626 Views
This feature introduces the support for OSPF routes over GRE tunnels under default as well as non default VRFs. The
- Written by Preethika Muthupurushothaman
- Posted on December 19, 2019
- Updated on December 19, 2019
- 10796 Views
EOS 4.22.1F added support for multiple OSPFv2 instances to be configured in the default VRF. .
- Written by Preethika Muthupurushothaman
- Posted on August 25, 2019
- Updated on September 5, 2019
- 10204 Views
EOS 4.22.1F adds support for multiple OSPFv2 instances to be configured in the default VRF. This
- Written by Thomas Giarratana
- Posted on August 25, 2019
- Updated on August 25, 2019
- 8133 Views
This feature extends the “bgp bestpath as path multipath relax” command with the optional
- Written by Shharrnam Narendra Chhatpar
- Posted on August 25, 2019
- Updated on August 25, 2019
- 7941 Views
This feature adds support to configure and apply different COS to TC profiles on Front Panel Ports and Port Channel
- Written by Swati Patel
- Posted on August 23, 2019
- Updated on August 23, 2019
- 8849 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
- 9787 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
- 9103 Views
This feature allows configuring user defined tunnel RIBs for the resolution of LDP pseudowire endpoints. User
- Written by Akshay Kawale
- Posted on March 11, 2020
- Updated on March 11, 2020
- 14275 Views
This feature provides support for advertising IPv4 unicast Network Layer Reachability Information (NLRI) with
- Written by David Cronin
- Posted on August 26, 2019
- Updated on October 25, 2021
- 11681 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
- 7410 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
- 7893 Views
RSVP TE node protection is a Fast ReRoute feature that provides protection against the failure of nexthop LSR in the
- Written by Manoharan Sundaramoorthy
- Posted on September 4, 2018
- Updated on February 5, 2022
- 16244 Views
Segment Routing Traffic Engineering Policy (SR TE) aka SR Policy makes use of Segment Routing (SR) to allow a headend
- Written by Athish Rao
- Posted on March 5, 2021
- Updated on May 30, 2024
- 14679 Views
Segment Routing Traffic Engineering Policy (SR-TE) aka SR Policy makes use of Segment Routing (SR) to allow a headend to steer traffic along any path without maintaining per flow state in every node. A headend steers traffic into an SR Policy.
- Written by Nandan Saha
- Posted on August 26, 2019
- Updated on September 5, 2019
- 12009 Views
Segment Routing Traffic Engineering Policy (SR TE) aka SR Policy makes use of Segment Routing (SR) to allow a headend
- Written by Manoharan Sundaramoorthy
- Posted on November 12, 2019
- Updated on November 15, 2019
- 12399 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
- 9103 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
- 7156 Views
This feature adds two new show commands to better display route map information. The first show command displays
- Written by Quentin L'Hours
- Posted on May 14, 2020
- Updated on May 14, 2020
- 9052 Views
Support for negotiating and receiving IPv6 unicast and IPv6 labeled unicast (6PE) updates from a BGP peer.
- Written by Bohan Yang
- Posted on August 28, 2019
- Updated on July 9, 2020
- 22883 Views
Due to hardware constraints on specific platforms, Ethernet interfaces are grouped together, within which their