- Written by Gaofeng Yue
- Posted on June 3, 2020
- Updated on December 9, 2021
- 6362 Views
This feature introduces a metric for static routes so that the user can configure both administrative distance and
- Written by Phil Whineray
- Posted on December 17, 2020
- Updated on April 26, 2021
- 7033 Views
All electronic devices are subject to interference from cosmic radiation. Arista products use a combination of
- Written by Jeevan Kamisetty
- Posted on December 22, 2020
- Updated on December 22, 2020
- 9844 Views
Arista MLAG supports STP for Layer 2 loop detection. In fact, most customers enable STP in their MLAG(s) to ensure no
- Written by Ryan Lui
- Posted on December 14, 2020
- Updated on December 14, 2020
- 6435 Views
The existing storm control interface configuration mode CLI commands have been extended to support a new
- Written by Anitha Muppalla
- Posted on May 15, 2020
- Updated on September 28, 2023
- 6604 Views
Subinterfaces divide a single ethernet or port channel interface into multiple logical L2 or L3 interfaces based on the 802.1q or 802.1ad tags of incoming traffic. Subinterfaces are commonly used in the L2/L3 boundary device, but they can also be used to isolate traffic with 802.1q tags between L3 peers by assigning subinterfaces to different VRFs or different L2 bridging domains.
- Written by Ayush Mittal
- Posted on December 16, 2020
- Updated on December 16, 2020
- 6989 Views
This document describes the Bgp Peer Flap Damping feature which allows session damping for peers with bfd enabled.
- Written by Harsh Goyal
- Posted on December 21, 2020
- Updated on February 15, 2024
- 7013 Views
IPv4 Unicast Reverse Path Forwarding (uRPF) can help limit malicious IPv4 traffic on a network. uRPF works by enabling the router to verify reachability (routing) of the source IP address (SIP) in the packet being forwarded. If the SIP is determined to not be a valid address, the packet is dropped.
- Written by Yongguang Xu
- Posted on February 22, 2021
- Updated on June 24, 2022
- 6631 Views
The multicast route counters count packets and bytes per group, source and vrf. Every multicast route will be counted when the feature is turned on if there are sufficient hardware counter resources available.
- Written by Nik Zaborovskii
- Posted on December 8, 2020
- Updated on March 18, 2024
- 8840 Views
Multicast NAT is a feature that performs NAT translations on multicast traffic. It can be configured under SVIs,
- Written by Christopher Brown
- Posted on December 16, 2020
- Updated on December 23, 2020
- 5768 Views
ARP and IPv6 Neighbor Discovery use a neighbor cache to store neighbor address resolutions. The capacity of the
- Written by Sulyab Thottungal Valapu
- Posted on December 7, 2020
- Updated on September 4, 2023
- 5735 Views
This document describes the OSPFv2 feature that allows the setting of “Down” (DN) bit in type-5 and type-7 LSAs. The DN Bit is a loop prevention mechanism implemented when OSPF is used as CE - PE IGP protocol. Its usage in OSPF is explained by RFC4576. By default, OSPF honors the DN-bit in type-3, type-5 or type-7 LSAs in non-default VRFs.
- Written by Tegar Wicaksono
- Posted on October 1, 2019
- Updated on July 21, 2023
- 5928 Views
Traffic steering is an existing Tap Aggregation feature that supports redirection of traffic based on configurable
- Written by Jeevan Surya Maddu
- Posted on June 10, 2019
- Updated on April 21, 2022
- 10315 Views
A VLAN-Aware bundle MAC-VRF allows multiple L2 domains to be advertised by a single MAC-VRF. The Ethernet Tag ID (ETID) as described in RFC7432 identifies the L2 domain within an EVPN instance corresponding to each route.
- Written by Bin Wang
- Posted on December 18, 2020
- Updated on August 26, 2022
- 5227 Views
The VxLAN VTEP counters feature allows the device to count VxLAN packets received and sent by the device on a per VTEP