- Written by Tarun Jaswanth LNU
- Posted on August 24, 2020
- Updated on June 16, 2022
- 4376 Views
802.1X is an IEEE standard protocol that prevents unauthorized devices from gaining access to the network.
- Written by Trevor Mendez
- Posted on December 20, 2021
- Updated on February 5, 2022
- 1095 Views
ACL based traffic management often requires matching packets’ destination addresses against one or more sets of
- Written by Jason Shamberger
- Posted on April 20, 2020
- Updated on February 11, 2022
- 1737 Views
RPKI provides a mechanism to validate the originating AS of an advertised prefix. EOS support
- Written by Shalini Kaleeswaran
- Posted on December 27, 2021
- Updated on December 27, 2021
- 1263 Views
ZeroTouch Provisioning (ZTP) is used to configure a switch without user intervention. Campus ZTP extends the
- Written by Travis Hammond
- Posted on December 29, 2021
- Updated on December 29, 2021
- 922 Views
TCAM features matching on the same packet type and executing the same action are implicitly prioritized if both are
- Written by Terence Hui
- Posted on December 16, 2021
- Updated on December 16, 2021
- 682 Views
Source port filtering is enabled by default to prevent traffic from egressing out the same interface it ingressed on.
- Written by Mike Nelson
- Posted on October 20, 2021
- Updated on December 20, 2021
- 869 Views
Tagging traffic with a drop precedence is a method that can be used to differentiate traffic flows over a given
- Written by Praveen Kumar Yadav
- Posted on December 16, 2021
- Updated on December 16, 2021
- 669 Views
This feature allows the user to have a custom DSCP To TC map per subInterface. By default,
- Written by Andrew Li
- Posted on November 9, 2020
- Updated on December 23, 2021
- 1306 Views
Normally the ingress router in the following diagram has no control over an autonomous system border router’s
- Written by Vamshi Nagendra
- Posted on December 29, 2021
- Updated on December 29, 2021
- 773 Views
As Ethernet technologies made their way into the Metropolitan Area Networks (MAN) and the Wide Area Networks (WAN),
- Written by Aaron Bamberger
- Posted on April 23, 2020
- Updated on December 29, 2021
- 1051 Views
E Tree is an L2 EVPN service (defined in RFC8317) in which each attachment circuit (AC) is assigned a role of Root or
- Written by Edwin Tambi
- Posted on August 19, 2020
- Updated on June 23, 2022
- 2451 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 Matthew Carrington-Fair
- Posted on October 20, 2021
- Updated on December 30, 2021
- 720 Views
Prior to EOS 4.27.0F, MPLS tunnel egress counters could only be enabled for all MPLS tunnels present in the system
- Written by Prajul Sreedharan
- Posted on January 22, 2019
- Updated on December 15, 2021
- 1189 Views
This feature introduces the support for IPv4 ACL configuration under GRE and IPsec tunnel interfaces. The
- Written by Aman Aman-Ul-Haq
- Posted on March 9, 2021
- Updated on January 3, 2022
- 1460 Views
The Segment security feature provides the convenience of applying policies on segments rather than interfaces or
- Written by Padmanabh Ratnakar
- Posted on October 7, 2021
- Updated on June 24, 2022
- 1779 Views
For network monitoring and troubleshooting flow related issues, it is desirable to know the path, latency, queue and congestion information for flows at different times. The inband telemetry feature(INT), based on Inband Flow Analyzer RFC draft -IFA 2.0, is used to gather per flow telemetry information like path, per hop latency and congestion. INT is supported for both IPv4 and IPv6 traffic.
- Written by Richard Goh
- Posted on August 16, 2018
- Updated on December 30, 2021
- 1221 Views
IPv6 multicast routing protocols are used to distribute IPv6 datagrams to one or more recipients. IPv6 PIM builds and
- Written by Priyesh Vakayil Palakandy
- Posted on December 20, 2021
- Updated on December 20, 2021
- 745 Views
Enterprise networks span sites such as Public Cloud, Data Centers, Branches, Head Quarters. These sites are
- Written by Jyothish Kunkumath
- Posted on January 6, 2022
- Updated on January 6, 2022
- 1158 Views
IPSec tunnel mode support allows the customer to encrypt traffic transiting between two tunnel endpoints.
- Written by Jian Zhen
- Posted on December 18, 2019
- Updated on December 27, 2021
- 833 Views
The document describes an extension of the decap group feature, that allows IPv6 addresses to be configured and used
- Written by Marc Laprade
- Posted on November 3, 2021
- Updated on February 18, 2022
- 914 Views
This feature will allow the user to select whether port mirror destinations of type GRE tunnel include the optional
- Written by Andrew Li
- Posted on November 11, 2021
- Updated on December 28, 2021
- 745 Views
Egress Peer Engineering (EPE) using BGP LU enables traffic engineering of the links between Autonomous Systems
- Written by Shyam Kota
- Posted on November 6, 2019
- Updated on December 30, 2021
- 916 Views
This feature allows setting the desired maximum VOQ latency. Drop probabilities are adjusted in hardware to meet
- Written by John Clarke
- Posted on December 20, 2021
- Updated on March 16, 2022
- 1023 Views
Arista's 7130 Connect Series of Layer 1+ switches are powerful network devices designed for ultra low latency and offer a wealth of integrated management features and functionalities.
- Written by Alejandro Schwoykoski
- Posted on December 22, 2021
- Updated on June 22, 2022
- 794 Views
MetaMux is an FPGA-based feature available on Arista’s 7130 platforms. It performs ultra-low latency Ethernet packet multiplexing with or without packet contention queuing.
- Written by David Mirabito
- Posted on December 30, 2021
- Updated on May 16, 2022
- 970 Views
MetaWatch is a FPGA-based feature available for Arista 7130 L-Series and LB-Series platforms. It provides precise timestamping of packets, aggregation and deep buffering for up to 48x Ethernet links at 10G. Timestamp information and other metadata such as device and port identifiers are appended to the end of the packet as a trailer.
- Written by Sandeep Betha
- Posted on December 18, 2019
- Updated on December 16, 2021
- 1106 Views
MLDv2 Snooping optimizes the transmission of multicast packets in Layer 2 by using Layer 3 information contained in
- Written by Chetan Patel
- Posted on January 17, 2022
- Updated on January 17, 2022
- 687 Views
Arista EOS currently supports a maximum 6 labels push on R2 and R3 series platforms. This feature increases maximum
- Written by Binoshmon T B
- Posted on July 22, 2020
- Updated on June 24, 2022
- 2269 Views
The TCP MSS clamping feature involves clamping the maximum segment size (MSS) in the TCP header of TCP SYN packets if it
- Written by Thejesh Panchappa
- Posted on December 30, 2021
- Updated on December 30, 2021
- 701 Views
Macro Segmentation Service with Layer 3 firewall (MSS FW) provides a mechanism to offload policy enforcement on TORs
- Written by Jeffrey Nelson
- Posted on June 21, 2021
- Updated on December 14, 2021
- 4463 Views
This feature provides the ability to interconnect EVPN VXLAN domains. Domains may or may not be within the same data
- Written by Swati Patel
- Posted on October 27, 2021
- Updated on June 22, 2022
- 2409 Views
[L2 EVPN] and [Multicast EVPN IRB] solutions allow for the delivery of customer BUM (Broadcast, Unknown unicast and Multicast) traffic in a L2VPN and L3VPNs respectively using multicast in the underlay network.
- Written by Shyam Kota
- Posted on June 21, 2021
- Updated on December 15, 2021
- 818 Views
The per port scheduler compensation feature is used to make adjustments to the packet size seen by the scheduler for
- Written by Sandeep Betha
- Posted on January 31, 2022
- Updated on January 31, 2022
- 1009 Views
PIM External Gateways (PEGs) allow an EVPN overlay multicast network to interface with an external PIM domain. They
- Written by Saravanan Balasubramanian
- Posted on May 17, 2018
- Updated on December 30, 2021
- 788 Views
This document describes how PIM non stop forwarding (NSF) works and its limitations. PIM supports non stop
- Written by Ethan Vadai
- Posted on March 6, 2020
- Updated on June 16, 2022
- 2250 Views
Policy based routing (PBR) is a feature that is applied on routable ports, to preferentially route packets.
- Written by Padmanabh Ratnakar
- Posted on April 20, 2021
- Updated on February 6, 2022
- 1938 Views
The postcard telemetry(GreenT GRE Encapsulated Telemetry) feature is used to gather per flow telemetry
- Written by Sameer Pakalapati
- Posted on December 17, 2021
- Updated on December 17, 2021
- 592 Views
This feature enables a 7170 using the stateless load balancer profile to act as a proxy for pings to VIPs (virtual IPs)
- Written by Sharad Birmiwal
- Posted on November 4, 2020
- Updated on February 11, 2022
- 4374 Views
Routing control functions (RCF) is a new language that can be used to express BGP route filtering and attribute
- Written by Paul Miiller
- Posted on December 15, 2021
- Updated on December 15, 2021
- 669 Views
This feature adds a new CLI command which can be used to clear RSVP sessions. Clearing a session will remove the current
- Written by Tanuj Kumar Jhamb
- Posted on December 16, 2021
- Updated on December 28, 2021
- 857 Views
This feature allows the user to configure upto 255 unique QoS policy maps on the front panel ports per FAP.
- Written by Basil Saji
- Posted on January 17, 2022
- Updated on January 17, 2022
- 1037 Views
VXLAN UDP ESP support allows the customer to encrypt traffic between two VXLAN VTEPs. The frame
- Written by Dragos Maftei
- Posted on December 16, 2021
- Updated on December 16, 2021
- 674 Views
This feature adds RSVP information for three tables from MPLS TE STD MIB:. mplsTunnelTable.
- Written by Shyam Kota
- Posted on June 13, 2019
- Updated on December 30, 2021
- 872 Views
This feature modifies the display format of “show interface Tunnel <num> counters” on hardware
- Written by Navjot Singh Sandhu
- Posted on April 6, 2021
- Updated on December 17, 2021
- 733 Views
This feature enables ACL functionality on subinterfaces. Release. Update. 4.17.0F . Support for
- Written by Josh Pfosi
- Posted on June 11, 2019
- Updated on February 23, 2022
- 2314 Views
This feature adds support for CPU traffic policy capable of matching and acting on IP traffic which would otherwise
- Written by Christopher Brown
- Posted on December 30, 2021
- Updated on December 30, 2021
- 662 Views
ARP is a protocol that resolves an IPv4 neighbor address to a MAC address while IPv6 Neighbor Discovery is similar
- Written by Yin Chen
- Posted on December 17, 2021
- Updated on May 5, 2022
- 728 Views
This article describes the usage of the ptp free-running source clock command, which selects a time source used by a switch running the Precision Time Protocol (PTP) while it is in a free-running state.
- Written by Gaofeng Yue
- Posted on December 20, 2021
- Updated on December 28, 2021
- 757 Views
Currently EOS supports redistribution into BGP at the global (instance) level. Also EOS supports redistribution in
- Written by Muhammad Yousuf
- Posted on September 9, 2021
- Updated on April 22, 2022
- 1116 Views
This TOI supplements the Ingress Traffic Policy applied on ingress interfaces. Please refer to that document for a description of Traffic Policies and field-sets. This TOI explains the Traffic Policies as applied in the egress direction on interfaces