- Written by Mihyar Baroudi
- Posted on March 12, 2026
- Updated on March 12, 2026
- 341 Views
Customers currently leverage the event-handler for automated remediation such as auto-drain of nodes during specific triggers (blackholing scenarios, hardware failures). However, there are scenarios where the automation becomes counterproductive or risky during active incidents or anomalies.
- Written by Mihyar Baroudi
- Posted on October 24, 2024
- Updated on October 24, 2024
- 5225 Views
The EOS Event Manager feature provides the ability to specify a condition and an action to be carried out when that condition is detected. It is a flexible and configurable way to automate the reaction to conditions without the need for a system operator to observe and apply the desired actions manually.
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
- 12834 Views
This document explains how to configure and deploy Arista MSS with Check Point Software Technologies firewalls
- Written by Mihyar Baroudi
- Posted on August 3, 2018
- Updated on August 3, 2018
- 12853 Views
The EOS Event Handler feature provides the ability to specify a condition and an action to be carried out when that
- Written by Mihyar Baroudi
- Posted on April 23, 2018
- Updated on April 25, 2018
- 11186 Views
The EOS Event Handler feature provides the ability to specify a condition and an action to be carried out when that
- Written by Mihyar Baroudi
- Posted on September 11, 2017
- Updated on October 31, 2019
- 12614 Views
The EOS Event Manager feature provides the ability to specify a condition and an action to be carried out when that
- Written by Mihyar Baroudi
- Posted on September 11, 2017
- Updated on February 8, 2022
- 13495 Views
The EOS Event Manager feature provides the ability to specify a condition and an action to be carried out when that
- Written by Mihyar Baroudi
- Posted on September 11, 2017
- Updated on May 7, 2024
- 13739 Views
The EOS Event Manager feature, introduced in 4.17.0F, provides the ability to specify a condition and an action
- Written by Mihyar Baroudi
- Posted on November 3, 2016
- Updated on November 5, 2024
- 11124 Views
This feature provides a built in monitoring capability for "Adverse Drop Counters" which can be used as a warning that
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 2, 2016
- 10636 Views
This feature allows adding third party VTEPs to a common L2 domain comprising of Arista and non Arista switches
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on September 29, 2025
- 12061 Views
LAGs are allocated hardware resources on transition from one member (software LAG) to two members (hardware LAG) and deallocated hardware resources on transition from two member to one member. This allocation/deallocation causes some traffic disruption. Starting with EOS4.15.4F, the option to configure all LAGs to use hardware resources is supported on the 7500E platform.
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 7, 2022
- 10752 Views
This feature provides a configuration option to disable egress IPv4 RACL sharing allowing for uRPF to be configured.
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 16, 2017
- 10810 Views
The 7500E 6CFPX LC linecard with ACO CFP2 optics provides connectivity over DWDM systems and links. 7500E 6CFPX LC
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on March 4, 2022
- 19177 Views
Media Access Control Security (MACSec) is an industry standard encryption mechanism to protect all traffic flowing
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 5, 2022
- 10590 Views
Delay based ECN on DCS 7280SE and DCS 7500E adds support for measuring the queueing delay that an IPv4 unicast routed
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on January 30, 2017
- 10917 Views
Vxlan routing in multichip systems uses the different modules to do different portions of the packet processing.
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 8, 2016
- 11106 Views
When a frame gets bridged from an edge port to a VXLAN core port, it is necessary to encode the QOS fields in the outer
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 6, 2022
- 10721 Views
Maintenance mode with sub interfaces is an extension to the maintenance mode feature released in EOS 4 15 2F. With this
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 5, 2022
- 10588 Views
Under config router bgp mode, the following is the format for configuring remote port for a peer or peer grou
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on February 7, 2022
- 14148 Views
Unequal Cost Multi Path (UCMP) for BGP is a mechanism for forwarding traffic from a device for an ECMP route in the ratio
- Written by Mihyar Baroudi
- Posted on February 1, 2016
- Updated on December 21, 2017
- 11606 Views
CVX High Availability (HA) provides CVX Controller redundancy by having multiple CVX controllers running in a
- Written by Mihyar Baroudi
- Posted on December 9, 2015
- Updated on December 21, 2015
- 11028 Views
Hardware Head End Replication (HW HER) optimizes flooding of inter VTEP broadcast, unknown unicast and broadcast
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 7, 2022
- 10924 Views
DCS 7280E. Arad QOS MAP:. This command assigns the DSCP rewrite value of 37 to traffic classes 2, 4, and 6.
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on October 20, 2017
- 13028 Views
This document describes VXLAN routing with overlay VRFs on the DCS 7050X platforms. The feature allows users to
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 5, 2022
- 11555 Views
The EOS Event Manager feature provides the ability to specify a condition and an action to be carried out when that
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 10669 Views
EOS 4.15.3F adds support for configuring auto cost in OSPFv3 for routed ethernet interfaces and LAG interfaces.
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on June 14, 2019
- 11620 Views
DCS 7050X/X2/X3 series. DCS 7060X/X2/X3 series. In previous releases, PFC Watchdog supported only queues
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 7, 2022
- 14253 Views
Selective Q in Q tunneling feature allows a set of customer VLANs (hereafter referred to as c vlan(s)) to be tunneled
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 11618 Views
This feature provides the capability to count the number of packets hitting rules associated to egress ACLs applied
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on September 17, 2018
- 13274 Views
With this feature, user can fetch various internal hardware drops info from each switch and isolate the switch or
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 10441 Views
This feature enables detection of abnormal system flows (total in vs. out packet counters) by showing packet loss
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on May 29, 2019
- 10728 Views
This feature provides the capability to mirror special L2 control frames, called the Pause or Priority Flow Control
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 7, 2022
- 10632 Views
IP in IP decapsulation was first introduced for the supported platforms(below) in EOS version 4.15.0F (IP in IP
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 10638 Views
In our current implementation, on a switch with default startup config or no config, all ports come up in access
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 5, 2022
- 10746 Views
The broadcast queue towards the CPU is shared among all interfaces of the forwarding chip. So broadcast storm on a
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on April 23, 2021
- 10832 Views
Dynamic resizing of nexthop groups, as the name suggests, is a feature that enables a nexthop group to dynamically
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 12294 Views
Port Security: Protect mode (PortSec Protect) is newly added to the Port Security feature and is designed to restrict
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 5, 2022
- 10752 Views
The DCS 7280E and DCS 7500E platforms are virtual output queue (VOQ) based architectures where there is a VOQ for all
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 5, 2022
- 10801 Views
The NAT Application Gateway (ALG) feature allows FTP connections between client server to be translated using
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on January 24, 2022
- 11166 Views
OSPF Non Stop Forwarding (NSF) adds support for Graceful OSPF Restart, IETF RFC 3623 . With OSPF Graceful Restart
