- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on July 13, 2018
- 3166 Views
Policy Based Routing (PBR) provides the flexibility of routing according to custom defined policies in a way that
- Written by Brandon Edgren
- Posted on May 1, 2015
- Updated on May 1, 2015
- 2645 Views
Prior to EOS 14.15.0F, if a single packet hit both a PBR and an ACL rule, then only the hardware counters corresponding
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on March 29, 2018
- 3349 Views
The per port per VLAN feature allows application of QoS policies for IP, IPv6 and non IP traffic on a per port per VLAN
- Written by Ahirnish Pareek
- Posted on February 8, 2017
- Updated on February 6, 2022
- 2793 Views
DCS 7010T. DCS 7050X. DCS 7250X. DCS 7260X. DCS 7280E, DCS 7280R. DCS 7300X. DCS 7320X. DCS 7500E,
- Written by Lavanya Conjeevaram
- Posted on June 29, 2016
- Updated on June 29, 2016
- 3342 Views
Per VLAN MAC Learning is a feature to enable/disable mac learning per vlan instead of per port. Using this feature with
- Written by Sahil Midha
- Posted on May 1, 2015
- Updated on May 20, 2015
- 2515 Views
Permitting traffic during ACL updates has been available for traffic steering in tap aggregation mode since EOS
- Written by Rajat Jain
- Posted on February 8, 2017
- Updated on February 4, 2022
- 2745 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
- 2871 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
- 3040 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
- 3094 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
- 3113 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
- 2732 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
- 2803 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
- 2810 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
- 2946 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
- 3477 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
- 2664 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
- 2419 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
- 1198 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
- 2545 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
- 3281 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
- 1131 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
- 4420 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
- 2249 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
- 2251 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
- 1150 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
- 5812 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
- 2267 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
- 2385 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
- 996 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
- 2845 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
- 4438 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
- 2890 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
- 3422 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
- 3917 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
- 2957 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
- 2897 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
- 2709 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
- 2317 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
- 2594 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
- 1263 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 July 21, 2023
- 3349 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
- 1108 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
- 2838 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
- 5543 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
- 2322 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
- 2845 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
- 2226 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
- 2674 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
- 3019 Views
Delay request messages can now be set from log 7 to 8. To configure: switch(config)#interface Et5/1.