- Written by Rajat Jain
- Posted on February 8, 2017
- Updated on February 4, 2022
- 1907 Views
PFC (Priority based Flow Control) is a flow control mechanism used in RDMA environments. PFC provides a link level
- Written by Veluchamy Dinakaran
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1913 Views
This feature enables detection of egress queues that are unable to transmit packets for prolonged periods of time
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on June 14, 2019
- 2093 Views
DCS 7050X/X2/X3 series. DCS 7060X/X2/X3 series. In previous releases, PFC Watchdog supported only queues
- Written by Santosh Kumar
- Posted on December 22, 2017
- Updated on February 19, 2018
- 2171 Views
Introduction. PIM Static Source Discovery (PIM SM SSD) is a feature implemented as part of PIM SM. Familiarity with
- Written by Padmini Misra
- Posted on September 30, 2015
- Updated on September 30, 2015
- 2214 Views
PIM VRF feature adds VRF support to these existing multicast protocols: PIM SM, PIM BSR, IGMP and MSDP.
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on February 8, 2017
- 1850 Views
Ingress policing on front panel ports is supported on DCS 7010X and DCS 7050X since EOS4.14.0F. When ingress policing
- Written by Jaffar Hameedabdul
- Posted on November 22, 2017
- Updated on November 22, 2017
- 1952 Views
Traffic is managed through policy maps that apply data shaping methods to specific data streams. A policy map is a data
- Written by Sahil Midha
- Posted on February 8, 2017
- Updated on February 7, 2022
- 1967 Views
QoS profiles have been applicable on fabric and front panel ports across all platforms from EOS 4.17.0F release
- Written by Satya Viswanathan
- Posted on April 22, 2015
- Updated on July 2, 2015
- 2200 Views
Policy Based Routing (PBR) is a feature that is applied on routable ports, to preferentially route packets. This is
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on December 21, 2015
- 2530 Views
Port Security: Protect mode (PortSec Protect) is newly added to the Port Security feature and is designed to restrict
- Written by Utkarsha Verma
- Posted on June 29, 2016
- Updated on June 29, 2016
- 1829 Views
Port Channel member status logging on Arista switches allows logging of Ethernet interfaces joining or leaving a
- Written by Cong Du
- Posted on April 13, 2015
- Updated on May 1, 2015
- 1735 Views
Starting EOS 4.15.0F, a BGP route reflector can preserve the BGP attributes (next hop, local preference and metric)
- Written by Matt Murray
- Posted on May 1, 2015
- Updated on February 5, 2022
- 912 Views
This document describes the enhancements to Arista's IEEE 1588 PTP implementation introduced in EOS 4.15.0F.
- Written by Salam Noureddine
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1741 Views
This feature makes ARP and ND packets use a higher priority output queue when software forwarded on the switch. Doing
- Written by Sahil Midha
- Posted on June 29, 2016
- Updated on February 7, 2022
- 2296 Views
Since, now there can be multiple inputs, conflicts may arise. Non conflicting configurations are when non default
- Written by Brian Schuette
- Posted on April 7, 2015
- Updated on February 7, 2022
- 607 Views
QSFP+ modules that support TX power DOM will now display the reported TX power value via show interfaces transceiver.
- Written by Dan Cunningham
- Posted on September 30, 2015
- Updated on September 30, 2015
- 3250 Views
Forward Error Correction (FEC) is required with some QSFP100 media to achieve error free operation of the link when
- Written by Anupama Srivastava
- Posted on May 1, 2015
- Updated on May 1, 2015
- 1582 Views
RACL divergence enables the optimization of the utilization of hardware resources by installing ACLs only on the
- Written by Panduranga Bhat
- Posted on April 15, 2015
- Updated on May 1, 2015
- 1587 Views
TCAM sharing between different VLAN Interfaces when they have same ACL attached : Configurable via CLI
- Written by Dhruba Jyoti Pokhrel
- Posted on January 16, 2023
- Updated on January 16, 2023
- 302 Views
With the 13.0 release, CloudVision Cognitive Unified Edge (CV-CUE) can redirect onboarding clients to a dynamic URL defined by the RADIUS. If the RADIUS access-accept request has a role and a redirection URL for a client, access points (AP) can redirect such client’s HTTP or HTTPS requests.
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 4, 2016
- 4469 Views
Some data plane features on some switch platforms may require packets to be recirculated through the switch chip in
- Written by Arpit Bansal
- Posted on May 1, 2015
- Updated on May 1, 2015
- 1602 Views
This feature allows to advertise routes learnt via BGP into IS IS network or IS IS routes into BGP network. It also
- Written by Andrew Li
- Posted on April 18, 2018
- Updated on January 25, 2022
- 1706 Views
This feature removes an ARP entry when the physical port, on which the ARP entry's MAC address is learned, goes down.
- Written by Prachi Modi
- Posted on February 20, 2023
- Updated on February 21, 2023
- 174 Views
In the 14.0 release, CloudVision Cognitive Unified Edge (CV-CUE) introduces a new Report, WiFi-Radios Instantaneous.
- Written by Aditi Vaidya
- Posted on August 23, 2019
- Updated on August 26, 2019
- 1839 Views
Arista WM gathers a wealth of data about the wireless deployment. The data gathered includes Wireless Intrusion
- Written by Srinivas Kovvuri
- Posted on December 22, 2017
- Updated on October 13, 2021
- 3157 Views
Equal Cost Multi path (ECMP) provides the ability to load share traffic across multiple next hops.
- Written by Aditi Vaidya
- Posted on August 23, 2019
- Updated on August 26, 2019
- 1872 Views
The transmit power configured on UI is now treated as EIRP (Equivalent Isotropically Radiated Power) instead of
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on February 7, 2022
- 2432 Views
The BGP labeled unicast (LU) RFC is used to advertise BGP routes with a stack of MPLS labels, thereby allowing
- Written by Cong Du
- Posted on June 29, 2016
- Updated on August 28, 2019
- 2832 Views
This feature provides support for advertising IPv4 unicast Network Layer Reachability Information (NLRI) with
- Written by Navneet Sinha
- Posted on June 29, 2016
- Updated on November 17, 2016
- 1975 Views
EOS 4.17.0F adds support for IPv4 address family in OSPFv3 (multiple address family support) based on RFC5838.
- Written by Mathew Simon
- Posted on November 22, 2017
- Updated on December 27, 2021
- 1977 Views
Multi Agent, Platform independent. This feature supports RFC 7606, which provides improved security and
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 5, 2022
- 1865 Views
The broadcast queue towards the CPU is shared among all interfaces of the forwarding chip. So broadcast storm on a
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 7, 2022
- 1601 Views
This feature allows routing traffic across two Vrf domains on the same switch using an external loopback cable
- Written by Hemanth Murthy
- Posted on April 24, 2015
- Updated on May 13, 2015
- 1824 Views
In an MLAG setup, routing on a switch (MLAG peer) is possible using its own bridge/system MAC, VARP MAC or VRRP MAC.
- Written by Dhruba Jyoti Pokhrel
- Posted on December 11, 2022
- Updated on December 12, 2022
- 440 Views
With the 13.0 release, you can integrate SAML SSO with a captive portal for authentication. The SAML integration functionality is only available for captive portals hosted on the Arista Cloud. It is not available if the captive portal is hosted on third-party servers or on the access point.
- Written by Sergiu Stambolian
- Posted on March 31, 2017
- Updated on February 8, 2022
- 2271 Views
Sampled Mirroring is an extension of the Mirroring feature and sampling is a property of the
- Written by Dhruba Jyoti Pokhrel
- Posted on January 16, 2023
- Updated on January 16, 2023
- 295 Views
With the 13.0 release, you can schedule the Automatic Channel Selection (ACS) to run at a specific time of the day and minimize service disruption.
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on October 1, 2015
- 2034 Views
Secondary private VLAN trunk ports are introduced in the EOS 4.15.2F release. This feature can
- Written by Mihyar Baroudi
- Posted on December 8, 2015
- Updated on February 7, 2022
- 4474 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 Sambath Kumar Balasubramanian
- Posted on May 1, 2015
- Updated on April 24, 2017
- 1625 Views
On 7500E, sFlow output interface feature enables sFlow to use the hardware provided output interface and
- Written by Manogna Namburi
- Posted on June 29, 2016
- Updated on June 29, 2016
- 1923 Views
ACL based QoS programmed on SVIs can share hardware resources starting from EOS 4.17.0F. This results in
- Written by Shashank Hegde
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1544 Views
OpenStack has a concept of shared tenant networks which let the admin can create a network which can be shared by all the
- Written by Sahil Midha
- Posted on June 29, 2016
- Updated on June 29, 2016
- 1787 Views
The show command 'show qos interface fabric' was introduced for DCS 7250QX and DCS 7300X series starting EOS
- Written by Jeff Chan
- Posted on February 8, 2017
- Updated on February 5, 2022
- 2175 Views
Delay request messages can now be set from log 7 to 8. To configure: switch(config)#interface Et5/1.
- Written by Bharadwaj Gosukonda
- Posted on June 6, 2017
- Updated on June 6, 2017
- 1880 Views
Nexthop groups is an existing feature which allows users to manually configure a set of tunnels with nexthops.
- Written by Pavan Palaksha
- Posted on March 31, 2017
- Updated on December 22, 2017
- 2162 Views
Hardware Table Capacity Monitoring is an existing feature to keep track of the capacity and utilization of various
- Written by Aditi Vaidya
- Posted on August 23, 2019
- Updated on August 26, 2019
- 1993 Views
Starting 8.8 release, Cloud customers can receive all events/alerts as SNMP traps. While configuring an SNMP trap
- Written by Roland Phung
- Posted on April 17, 2015
- Updated on February 7, 2022
- 2203 Views
Source ARP with a virtual IP is a new VARP feature. The purpose of this feature is to change the ARP request header's
- Written by Dhruba Jyoti Pokhrel
- Posted on January 16, 2023
- Updated on January 16, 2023
- 300 Views
With the 13.0 release, you can enable spatial reuse from CloudVision Cognitive Unified Edge (CV-CUE) to improve the spectral efficiency and optimally allocate resources to meet the Quality of Service (QoS). With spatial reuse, two or more Wi-Fi devices (AP or client) that support 802.11ax protocols can send transmissions simultaneously without any significant data loss.
- Written by Preyas Hathi
- Posted on June 2, 2022
- Updated on June 2, 2022
- 1273 Views
Spectrum analysis is a tool to analyze the RF environment for interference. For monitoring and troubleshooting of wireless networks, you must be aware of the RF environment in which the APs operate.