- Written by Lavanya Conjeevaram
- Posted on September 11, 2017
- Updated on February 6, 2022
- 707 Views
Starting EOS release 4.15.2F, the ability to re number front panel ports of 7050QX 32S is supported.
- Written by Gurpreet Singh
- Posted on September 30, 2015
- Updated on June 15, 2018
- 916 Views
This feature enables user to modify QoS parameters for SVI traffic (L3 VLAN) based on ACL classification. The QoS
- Written by Shashank Hegde
- Posted on September 30, 2015
- Updated on September 30, 2015
- 658 Views
The active active neutron controller support in CVX enables the deployment of highly available neutron service with
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on September 30, 2015
- 694 Views
This article describes changes to the platform command 'show platform fm6000 agileports'. Earlier this command was
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 6, 2022
- 928 Views
This feature detects whether a given EOS image is MLAG ISSU compatible with the currently running version on a switch.
- Written by Akshay Gattani
- Posted on September 30, 2015
- Updated on February 7, 2022
- 1058 Views
BGP additional paths is an enhancement that allows a BGP router to advertise and receive multiple distinct paths for
- Written by Qin Zhang
- Posted on September 30, 2015
- Updated on September 30, 2015
- 779 Views
The BGP idle restart interval feature allows an idle BGP peer session to automatically restart after a configurable
- Written by Manoj Agiwal
- Posted on September 30, 2015
- Updated on March 28, 2022
- 2019 Views
BGP Non Stop Forwarding (NSF) aims to minimize the traffic loss when the the following scenarios occur:
- Written by Abhiram Kalluru
- Posted on September 30, 2015
- Updated on September 30, 2015
- 792 Views
Nexthop Groups is a feature that allows users to manually configure a set of nexthops by specifying their nexthop
- Written by Sharad Birmiwal
- Posted on September 30, 2015
- Updated on September 30, 2015
- 820 Views
The BGP selective route download feature allows learning and advertising BGP prefixes without installing them in
- Written by Yitao (Eric) Wu
- Posted on September 30, 2015
- Updated on September 30, 2015
- 768 Views
BGP sFlow export is to add BGP route information in sFlow sample packet is the destination IP matches a BGP route. Prior
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on April 5, 2016
- 835 Views
Bidirectional Protocol Independent Multicast (PIM) allows routers to build trees to deliver multicast traffic
- Written by Pandurangan R S
- Posted on September 11, 2017
- Updated on September 11, 2017
- 781 Views
Configurable TPID enables TPID to be configured per switchport (default TPID on switchport is 0x8100) on
- Written by Anupama Srivastava
- Posted on September 30, 2015
- Updated on February 8, 2022
- 718 Views
This feature optimizes the utilization of hardware resources by sharing tcam entries for a group of SVIs on which an
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on September 30, 2015
- 745 Views
The 7250X and 7300 series use an optimized internal CLOS design with multiple port ASICs interconnected via Fabric
- Written by Prasanth Sasidharan
- Posted on September 30, 2015
- Updated on February 8, 2022
- 703 Views
Fallback PBR policy enables an alternate policy to be active when PBR policy attached to an interface is being
- Written by Syed Rahi
- Posted on September 30, 2015
- Updated on February 7, 2022
- 646 Views
When a user configures IPv6 ACLs, by default, the system automatically includes two additional rules : a default
- Written by Qin Zhang
- Posted on September 30, 2015
- Updated on February 7, 2022
- 668 Views
By default, inner IP header of a GRE packet is used for LAG hashing. With this feature, LAGs can hash GRE traffic
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on December 22, 2017
- 922 Views
Hardware Table Capacity Monitoring is a new feature to keep track of the capacity and utilization of various hardware
- Written by Avininder Grewal
- Posted on September 30, 2015
- Updated on September 30, 2015
- 816 Views
Arista switches enable high precision time distribution directly in the data path using IEEE1588 Precision Time
- Written by Sarah Chen
- Posted on September 30, 2015
- Updated on September 30, 2015
- 946 Views
IP Source Guard (IPSG) is a security feature that can help prevent IP spoofing attacks. It filters inbound IP packets
- Written by Kiranmayi Kasarapu
- Posted on September 30, 2015
- Updated on September 30, 2015
- 701 Views
With this feature, IP packets matching a static Nexthop Group route can be encapsulated within an IP in IP tunnel and
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 5, 2022
- 660 Views
Nexthop groups in EOS currently only support IPv4 entries and only IPv4 routes can point to nexthop groups. This
- Written by Dhanashree Nagre
- Posted on March 16, 2022
- Updated on March 17, 2022
- 445 Views
IPv6 routes of certain prefix lengths can be optimized for enhanced route scale on R/R2 series platforms. This TOI explains the usage of these optimizations.
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 6, 2022
- 680 Views
Bidirectional Forwarding Detection(BFD) is a low overhead protocol designed to provide rapid detection of
- Written by Kamala R
- Posted on September 30, 2015
- Updated on September 30, 2015
- 691 Views
Two forms of authentication are supported by the IS IS routing protocol:. Clear text authentication.
- Written by Nandan Saha
- Posted on September 30, 2015
- Updated on September 30, 2015
- 655 Views
By default if there's a hostname configured on the switch, it is used as the IS IS hostname. It is also possible to
- Written by Arpit Bansal
- Posted on September 30, 2015
- Updated on September 30, 2015
- 702 Views
An IS IS router can be configured as Level 1 2 which can form adjacencies and exchange routing information with both
- Written by Arunprakash Sekar
- Posted on September 30, 2015
- Updated on September 30, 2015
- 720 Views
IS IS Multi Topology support enables an IS IS router to compute a separate topology for IPv4 and IPv6 links in the
- Written by Arpit Bansal
- Posted on September 30, 2015
- Updated on April 22, 2020
- 723 Views
Level 1 2 routers set attached bit in their Level 1 LSPs to indicate their reachability to the rest of the network. A
- Written by Bharath Somayaji
- Posted on September 30, 2015
- Updated on September 30, 2015
- 653 Views
SPF Timers can be used in IS IS to throttle the frequency of shortest path first (SPF) computations. In networks with a
- Written by Aditya Gujral
- Posted on September 30, 2015
- Updated on September 30, 2015
- 669 Views
This feature adds Intermediate System to Intermediate System (IS IS) support for IP version 6 (IPv6) address family
- Written by Aditya Gujral
- Posted on September 30, 2015
- Updated on February 7, 2022
- 675 Views
This feature extends the IS IS set overload bit command to support wait for BGP option. In scenarios
- Written by Lavanya Conjeevaram
- Posted on September 11, 2017
- Updated on September 11, 2017
- 813 Views
Sub interface counters provide ability to count packets and bytes incoming and outgoing on L3 sub interfaces. This
- Written by Greg Poloczek
- Posted on September 11, 2017
- Updated on September 11, 2017
- 914 Views
Arista switches use the hashing algorithm to load balance traffic among LAG (Link Aggregation Group) members
- Written by Zackary Ayoun
- Posted on May 23, 2022
- Updated on June 2, 2022
- 268 Views
LANZ is the EOS Latency and congestion ANalyZer. On DCS-7280, DCS-7020, DCS-7500 and DCS-7800 series, it allows monitoring congestion and transmit latencies on both front panel and CPU ports.
- Written by Peter Lam
- Posted on September 30, 2015
- Updated on April 10, 2018
- 1376 Views
Leaf Smart System Upgrade (SSU) provides the ability to upgrade the EOS image with minimal traffic disruption.
- Written by Sriram Rajagopalan
- Posted on September 30, 2015
- Updated on February 5, 2022
- 1776 Views
Maintenance mode is a framework to allow for the easy removal of elements of a switch or the entire switch from
- Written by Kevin Amiraux
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1151 Views
Arista switches provide several mirroring features. Filtered mirroring to CPU adds a special destination to the
- Written by Shamit Kapadia
- Posted on September 30, 2015
- Updated on September 30, 2015
- 2488 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 Som Neema
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1454 Views
MLAG currently checks for basic MLAG configuration to be consistent (e.g. domain id) before formation with the peer.
- Written by Kaladhar Musunuru
- Posted on September 30, 2015
- Updated on April 23, 2018
- 700 Views
The nexthop group feature allow users to manually configure a set of tunnels. Nexthop group counters provide the
- Written by Prateek Nigam
- Posted on September 30, 2015
- Updated on September 30, 2015
- 712 Views
Action TTL decrement in an OpenFlow flow. OpenFlow 1.3 Group support on DCS 7010 series. Clearing
- Written by Rachee Singh
- Posted on September 30, 2015
- Updated on September 30, 2015
- 639 Views
In previous releases of EOS, Stub area and NSSA area types were supported for OSPFv3, but without support of the "no
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on July 13, 2018
- 992 Views
Policy Based Routing (PBR) provides the flexibility of routing according to custom defined policies in a way that
- Written by Veluchamy Dinakaran
- Posted on September 30, 2015
- Updated on September 30, 2015
- 654 Views
This feature enables detection of egress queues that are unable to transmit packets for prolonged periods of time
- Written by Padmini Misra
- Posted on September 30, 2015
- Updated on September 30, 2015
- 957 Views
PIM VRF feature adds VRF support to these existing multicast protocols: PIM SM, PIM BSR, IGMP and MSDP.
- Written by Salam Noureddine
- Posted on September 30, 2015
- Updated on September 30, 2015
- 635 Views
This feature makes ARP and ND packets use a higher priority output queue when software forwarded on the switch. Doing
- Written by Dan Cunningham
- Posted on September 30, 2015
- Updated on September 30, 2015
- 1677 Views
Forward Error Correction (FEC) is required with some QSFP100 media to achieve error free operation of the link when
- Written by Anoop Dawani
- Posted on September 30, 2015
- Updated on February 4, 2016
- 2624 Views
Some data plane features on some switch platforms may require packets to be recirculated through the switch chip in