- Written by Radu Handolescu
- Posted on April 29, 2021
- Updated on April 29, 2021
- 1138 Views
This TOI details the following feature additions:. Support of 4x100G mode for the 400GBASE ZR transceivers
- Written by Digvijay Gahlot
- Posted on April 20, 2021
- Updated on April 21, 2022
- 1541 Views
The L2 EVPN MPLS feature is available when configuring BGP in the multi agent routing protocol model. Ethernet VPN
- Written by Tarun Jaswanth LNU
- Posted on August 24, 2020
- Updated on June 16, 2022
- 4410 Views
802.1X is an IEEE standard protocol that prevents unauthorized devices from gaining access to the network.
- Written by Scarlett Gourley
- Posted on April 20, 2021
- Updated on April 21, 2021
- 1103 Views
This feature supports to upgrade Aboot firmware via an Aboot Update File (AUF). The aim is to be able to provide a signed
- Written by Dingtao Yin
- Posted on April 21, 2021
- Updated on April 21, 2021
- 638 Views
This feature allows for the configuration of the VRF that the BfRuntime server is configured to listen on.
- Written by Joseph Swaminathan
- Posted on April 29, 2021
- Updated on February 5, 2022
- 838 Views
BGP Add Path TX, or send, allows for a BGP speaker to advertise multiple paths (instead of a single best path) for a
- Written by Gary McCarthy
- Posted on February 8, 2017
- Updated on October 13, 2021
- 979 Views
The default policy behavior is to permit/accept all routes when a BGP neighbor or peer group is configured with a route
- Written by Vivek Subbarao
- Posted on April 16, 2021
- Updated on April 16, 2021
- 1176 Views
This feature provides the ability to configure the MTU value of fwd devices in a specific vrf or across vrfs. A default
- Written by Bohan Yang
- Posted on March 5, 2020
- Updated on April 19, 2021
- 1181 Views
QSFP+ transceiver supports 40G and 4x10G. This feature provides support for changing the default QSFP mode between
- Written by Gaofeng Yue
- Posted on April 15, 2021
- Updated on April 15, 2021
- 1128 Views
This feature detects duplicate IP addresses configured on the switch already owned by hosts the switch has already
- Written by Greg Poloczek
- Posted on April 16, 2021
- Updated on April 16, 2021
- 833 Views
In older EOS releases the ingress interface was always included in LAG hash calculations input together with other
- Written by Madhu Sudan
- Posted on April 26, 2021
- Updated on April 26, 2021
- 1323 Views
This feature allows a Data Center (DC) operator to incrementally migrate their VXLAN network from IPv4 to IPv6
- Written by Harshit Gulati
- Posted on May 5, 2021
- Updated on May 5, 2021
- 923 Views
ALPM (Algorithmic Longest Prefix Management) is a scheme in which the route prefix is split and stored across DEFIP
- Written by Sharad Birmiwal
- Posted on May 25, 2021
- Updated on May 17, 2022
- 843 Views
The document captures the default preference value (between and 255) for routes from various supported protocols.
- Written by Wade Carpenter
- Posted on April 24, 2020
- Updated on November 11, 2021
- 2621 Views
EVPN MPLS VPWS (RFC 8214) provides the ability to forward customer traffic to / from a given attachment circuit (AC)
- Written by Chris Hydon
- Posted on April 20, 2021
- Updated on September 30, 2021
- 1532 Views
Multihoming in EVPN allows a single customer edge (CE) to connect to multiple provider edges (PE or tunnel endpoint).
- Written by Will Li
- Posted on May 17, 2021
- Updated on February 6, 2022
- 1207 Views
Filtered Mirroring allows certain packets to be selected for mirroring, rather than all packets ingressing or
- Written by Edwin Tambi
- Posted on August 19, 2020
- Updated on June 23, 2022
- 2470 Views
EOS supports the ability to match on a single VLAN tag (via encapsulation dot1q vlan 10) or a VLAN tag pair (via
- Written by Kamlesh Raghuvanshi
- Posted on April 19, 2021
- Updated on April 21, 2021
- 760 Views
There are use cases where all broadcast, multicast and unknown MAC traffic are not needed to be flooded into the
- Written by Rahul Vasist
- Posted on April 20, 2020
- Updated on April 26, 2021
- 1359 Views
EOS 4.24.0 adds support for hardware accelerated sFlow on R3 systems. Without hardware acceleration, all sFlow
- Written by Arpit Bansal
- Posted on December 21, 2020
- Updated on January 17, 2022
- 1080 Views
IGP shortcuts enable traffic to get forwarded along traffic engineered paths computed by RSVP using a modified SPF
- Written by Rajshekhar Biradar
- Posted on May 11, 2021
- Updated on February 6, 2022
- 1017 Views
The Inband Network Telemetry eXport Data (INT XD) feature is used to gather flow, queue, drop telemetry
- Written by Sriram Sellappa
- Posted on January 23, 2019
- Updated on April 21, 2021
- 1448 Views
IPv4 routes of certain prefix lengths can be optimized for enhanced route scale. The feature is described here. This
- Written by Chris Roche
- Posted on April 20, 2020
- Updated on April 26, 2021
- 762 Views
The IS IS maximum LSP size feature provides the ability to configure the maximum LSP size that the IS IS protocol will
- Written by Jonas Flodin
- Posted on April 26, 2021
- Updated on May 24, 2022
- 706 Views
4.26.0F adds Latency ANalyZer (LANZ) support to the Arista 7170 series. LANZ monitors the egress queue usage through
- Written by Bharathram Pattabhiraman
- Posted on February 11, 2021
- Updated on June 15, 2022
- 2894 Views
This solution allows the delivery of customer BUM (Broadcast, Unknown unicast and Multicast) traffic in a VLAN using
- Written by VIKAS NARAYANAPPA
- Posted on May 5, 2021
- Updated on May 5, 2021
- 802 Views
If a network device uses deep packet inspection for load balancing, RFC6790 recommends deployments to use entropy
- Written by Pedro Coutinho
- Posted on April 16, 2021
- Updated on April 16, 2021
- 763 Views
The MPLS ping/traceroute utilities were extended in EOS version 4.26.0F to support connectivity checking of BGP
- Written by Tarun Jaswanth LNU
- Posted on April 21, 2021
- Updated on February 7, 2022
- 718 Views
Media Access Control Security (MACsec) is an industry standard encryption mechanism that protects all traffic
- Written by Manish Singhvi
- Posted on April 16, 2021
- Updated on February 7, 2022
- 777 Views
Media Access Control Security (MACsec) is an industry standard encryption mechanism that protects all traffic
- Written by Sandeep Betha
- Posted on December 18, 2019
- Updated on December 16, 2021
- 1120 Views
MLDv2 Snooping optimizes the transmission of multicast packets in Layer 2 by using Layer 3 information contained in
- Written by Binoshmon T B
- Posted on July 22, 2020
- Updated on June 27, 2022
- 2294 Views
The TCP MSS clamping feature involves clamping the maximum segment size (MSS) in the TCP header of TCP SYN packets if it exceeds the configured MSS ceiling limit for the interface. Clamping MSS value helps in avoiding IP fragmentation in tunnel scenarios by ensuring that MSS is small enough to accommodate the extra overhead of GRE and tunnel outer IP headers.
- Written by Hyun Chul Chung
- Posted on May 11, 2021
- Updated on October 18, 2021
- 860 Views
A mDNS Gateway extends the link local scope of mDNS messages to additional subnets to provide service discovery and
- Written by Bharathram Pattabhiraman
- Posted on February 11, 2021
- Updated on May 11, 2022
- 3701 Views
This solution allows delivery of multicast traffic in an IP VRF using multicast in the underlay network. It builds on
- Written by Coy Humphrey
- Posted on September 15, 2020
- Updated on May 5, 2021
- 1133 Views
This TOI describes a set of enhancements made to the existing Port Security: Protect Mode (PortSec Protect) feature.
- Written by Padmanabh Ratnakar
- Posted on April 20, 2021
- Updated on February 6, 2022
- 1966 Views
The postcard telemetry(GreenT GRE Encapsulated Telemetry) feature is used to gather per flow telemetry
- Written by Eudean Sun
- Posted on August 28, 2019
- Updated on November 3, 2021
- 933 Views
Power over Ethernet (PoE) is a way of delivering power and data over the same Ethernet wires. There have been multiple
- Written by Simon Eteen
- Posted on May 9, 2022
- Updated on May 11, 2022
- 289 Views
The `ptp forward-v1` command configures the switch to forward Precision Time Protocol version 1 packets as regular multicast traffic. By default, when PTP is enabled and PTPv1 packets are received on the PTP enabled interfaces, these packets are trapped by the CPU, logged and discarded.
- Written by Girish Dasari
- Posted on May 11, 2021
- Updated on May 11, 2021
- 694 Views
IS IS adjacency is not formed between devices with different address families configured. For example, a router
- Written by Haotian Zhang
- Posted on June 4, 2020
- Updated on February 7, 2022
- 1136 Views
This article describes the support for Filtered Mirroring using security ACL. The user can selectively mirror
- Written by David Cronin
- Posted on April 15, 2021
- Updated on April 15, 2021
- 859 Views
In EOS, BGP creates different update groups based on the outbound configuration. Different route maps or Routing
- Written by Phil Whineray
- Posted on December 17, 2020
- Updated on April 26, 2021
- 996 Views
All electronic devices are subject to interference from cosmic radiation. Arista products use a combination of
- Written by Abbas Abou Daya
- Posted on April 15, 2021
- Updated on April 15, 2021
- 734 Views
When an interface is overloaded with packets and goes beyond its buffering capabilities, packet drops become
- Written by Romanos Skiadas
- Posted on April 22, 2021
- Updated on April 22, 2021
- 762 Views
This feature adds support for streaming the output of the following show command in Octa:. The
- Written by Christopher Brown
- Posted on April 19, 2021
- Updated on April 21, 2021
- 692 Views
RFC4191 describes an optional extension to Router Advertisement messages for communicating default router
- Written by Wenyi Cheng
- Posted on April 19, 2021
- Updated on February 5, 2022
- 1016 Views
This feature adds TLS support to the existing syslog logging mechanism. With the new added CLI commands, the user can
- Written by Anirudh Ramesh Iyer
- Posted on May 5, 2021
- Updated on November 3, 2021
- 2528 Views
This article describes how to customize TCAM (Ternary Content Addressable Memory) lookup for each feature which
- Written by Swaroop George
- Posted on April 15, 2021
- Updated on February 1, 2022
- 1055 Views
This feature allows selecting Differentiated Services Code Point (DSCP) and Traffic Class (TC) values for packets
- Written by Ravikumar Chandrasekaran
- Posted on April 16, 2021
- Updated on April 16, 2021
- 874 Views
This feature allows remote VTEP Tunnels to be routed over L3 SubInterfaces. DCS 7050SX3. Release.