- Written by Sam Ho
- Posted on 11月 4, 2020
- Updated on 1月 20, 2023
- 2309 Views
Filtered Mirroring allows certain packets to be selected for mirroring, rather than all packets ingressing or egressing a particular port.
- Written by Vivek Subbarao
- Posted on 1月 18, 2019
- Updated on 2月 14, 2022
- 2705 Views
This feature adds support for a dynamic configuration model to eliminate the need for the network administrator to
- Written by Paraic Gallagher
- Posted on 10月 28, 2020
- Updated on 10月 28, 2020
- 1784 Views
This feature adds a configuration option which provides a CLI error if a reference is made to an unconfigured policy
- Written by Arup Raton Roy
- Posted on 11月 2, 2020
- Updated on 9月 1, 2022
- 3706 Views
This document presents Arista Macro-Segmentation Service - Firewall (MSS-FW) deployment in a network with multiple Virtual Routing and Forwarding (VRF) instances.
- Written by Alton Lo
- Posted on 11月 23, 2020
- Updated on 11月 23, 2020
- 2745 Views
To use IPv6 addresses for VXLAN underlay, there are two different approaches. The first approach is to make use of
- Written by Ziqian XU
- Posted on 11月 10, 2020
- Updated on 11月 10, 2020
- 2149 Views
A dynamic ACL is dynamically created on a switch based on the contents of NAS Filter Rule AVP attributes sent from a
- Written by Sridhar Nagarajan
- Posted on 11月 9, 2020
- Updated on 11月 15, 2020
- 2027 Views
This feature provides the capability to count the number of packets hitting rules associated with egress ACLs
- Written by Avishek Santhaliya
- Posted on 11月 9, 2020
- Updated on 11月 15, 2020
- 2256 Views
Security MAC ACLs can be used to permit and/or deny ethernet packets on the egress port by matching on the following
- Written by Andrew Li
- Posted on 11月 9, 2020
- Updated on 12月 23, 2021
- 2423 Views
Normally the ingress router in the following diagram has no control over an autonomous system border router’s
- Written by Jeffrey Nelson
- Posted on 10月 28, 2020
- Updated on 10月 28, 2020
- 5610 Views
This feature adds control plane support for inter subnet forwarding between EVPN networks. This support is achieved
- Written by Aaron Bamberger
- Posted on 10月 28, 2020
- Updated on 10月 28, 2020
- 2700 Views
In a traditional EVPN VXLAN centralized anycast gateway deployment, multiple L3 VTEPs serve the role of the
- Written by Sudheer Y R
- Posted on 10月 9, 2018
- Updated on 3月 30, 2022
- 6560 Views
This feature introduces the hardware forwarding support for IPv4 over IPv4, GRE Tunnel interfaces on Arista
- Written by Delin Sun
- Posted on 4月 6, 2021
- Updated on 4月 6, 2021
- 1511 Views
This feature adds support for PIM SM (Sparse Mode) for IPv6 Multicast Routing on platforms listed below.
- Written by Prakrati Vidyarthi
- Posted on 8月 16, 2018
- Updated on 1月 9, 2023
- 4443 Views
Normally, a switch traps L2 protocol frames to the CPU. However, certain use-cases may require these frames to be forwarded.
- Written by Athichart Tangpong
- Posted on 10月 22, 2018
- Updated on 9月 12, 2022
- 4341 Views
A L2 sub-interface is a logical bridging endpoint associated with traffic on an interface distinguished by 802.1Q tags, where each <interface, 802.1q tag> tuple is treated as a first class bridging interface.
- Written by Zackary Ayoun
- Posted on 5月 23, 2022
- Updated on 6月 2, 2022
- 1626 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 Kewei Shi
- Posted on 11月 4, 2020
- Updated on 6月 23, 2022
- 2568 Views
Logical ports are hardware resources that are required to activate interfaces.
- Written by Robert Oliveira
- Posted on 11月 10, 2020
- Updated on 11月 10, 2020
- 1554 Views
The multicast keyword extends the accounting group to send Accounting Request packets to all servers in a group at the
- Written by Ioana Costea
- Posted on 11月 9, 2020
- Updated on 2月 9, 2022
- 1818 Views
Previously, the maximum valid port channel ID was equal to the maximum number of port channels configurable on the
- Written by Chengle(Gary) Zhang
- Posted on 12月 23, 2019
- Updated on 10月 25, 2021
- 3107 Views
When the MLAG peer link goes down, the secondary peer assumes the primary peer is down/dead, and takes over the primary
- Written by Sandeep Betha
- Posted on 12月 18, 2019
- Updated on 12月 16, 2021
- 2118 Views
MLDv2 Snooping optimizes the transmission of multicast packets in Layer 2 by using Layer 3 information contained in
- Written by Phillip Jie
- Posted on 11月 10, 2020
- Updated on 10月 19, 2021
- 2015 Views
MRU (maximum receive unit) enforcement provides the ability to drop frames that exceed a configured threshold on the
- Written by Roger Levesque
- Posted on 10月 28, 2020
- Updated on 10月 28, 2020
- 1988 Views
When a static route is configured with a nexthop group, by default the static route is eligible for FIB insertion
- Written by Ajay Kini
- Posted on 11月 2, 2020
- Updated on 4月 7, 2021
- 1930 Views
In a symmetric network topology, for the same ECMP (Equal Cost Multi Path) route programmed at different devices in a
- Written by Chris Roche
- Posted on 11月 2, 2020
- Updated on 11月 2, 2020
- 1629 Views
BFD sessions are only established for OSPFv2 and OSPFv3 adjacencies that are in the FULL state. In a LAN environment
- Written by Tanushree Bansal
- Posted on 2月 23, 2022
- Updated on 6月 2, 2022
- 1716 Views
This feature provides isolation and allows segregating/dividing the link state database based on interface.
- Written by Shyam Kota
- Posted on 11月 9, 2020
- Updated on 11月 15, 2020
- 2123 Views
QinQ L3 subinterfaces divide a single ethernet or port channel interface into multiple logical L3 interfaces based
- Written by Joel Katticaran
- Posted on 10月 29, 2020
- Updated on 2月 7, 2022
- 1617 Views
This feature adds support to match against nexthop address for VPNV4/V6 routes. This support allows
- Written by Sharad Birmiwal
- Posted on 11月 4, 2020
- Updated on 2月 11, 2022
- 6165 Views
Routing control functions (RCF) is a new language that can be used to express BGP route filtering and attribute
- Written by Martin Stigge
- Posted on 9月 16, 2020
- Updated on 1月 11, 2022
- 2749 Views
RSVP TE, the Resource Reservation Protocol (RSVP) for Traffic Engineering (TE), is used to distribute MPLS labels
- Written by Jeevan Kamisetty
- Posted on 11月 4, 2020
- Updated on 11月 9, 2022
- 3696 Views
Network administrators require access to flow information that passes through various network elements, for the purpose of analyzing and monitoring their networks. This feature provides access to IP flow information by sampling traffic flows in ingress and/or egress directions on the interfaces on which it is configured.
- Written by Pete Carson
- Posted on 11月 9, 2020
- Updated on 11月 11, 2020
- 2110 Views
The NTP service in EOS may be configured to act as an NTP server for other devices as clients. Previously, all clients
- Written by Roee Bar
- Posted on 10月 29, 2020
- Updated on 10月 29, 2020
- 1758 Views
The feature allows modification of the egress TTL of packets routed via PBR, and to modify the TTL of naked IP/IPv6
- Written by Navjot Singh Sandhu
- Posted on 4月 6, 2021
- Updated on 12月 17, 2021
- 1652 Views
This feature enables ACL functionality on subinterfaces. Release. Update. 4.17.0F . Support for
- Written by Vishrant Vasavada
- Posted on 10月 28, 2020
- Updated on 2月 3, 2022
- 1759 Views
This feature extends link bandwidth extended community deletion mechanism, which previously always required
- Written by Jeff Wen
- Posted on 4月 6, 2021
- Updated on 4月 6, 2021
- 2501 Views
A Management VRF instance allows network operators to separate their management traffic from the rest of the
- Written by Saravanan Sellappa
- Posted on 10月 28, 2020
- Updated on 11月 11, 2020
- 1595 Views
This feature supports IPv6 link local nexthops belonging to a Nexthop Groups (NHG). Only nexthop
- Written by Sulyab Thottungal Valapu
- Posted on 10月 29, 2020
- Updated on 6月 11, 2021
- 1868 Views
This document describes the OSPFv2 and OSPFv3 feature that allows enabling or disabling the inclusion of LSAs having
- Written by Basil Saji
- Posted on 11月 9, 2020
- Updated on 1月 3, 2023
- 3146 Views
Private VLAN is a feature that segregates a regular VLAN broadcast domain while maintaining all ports in the same IP subnet. There are three types of VLAN within a private VLAN
- Written by James Doherty
- Posted on 10月 28, 2020
- Updated on 10月 28, 2020
- 1640 Views
4.25.0F adds support to use large community lists in the ‘set large community’ route map set clause.
- Written by Prateek Mali
- Posted on 8月 19, 2020
- Updated on 1月 9, 2023
- 5327 Views
Access Control Lists (ACL) use packet classification to mark certain packets going through the packet processor pipeline and then take configured action against them. Rules are defined based on various fields of packets and usually TCAM is used to match packets to rules. For example, there can be a rule to match the packet source IP address against a list of IP addresses, and drop the packet if there is a match.
- Written by Abbas Abou Daya
- Posted on 10月 29, 2020
- Updated on 10月 29, 2020
- 1653 Views
WRED stands for Weighted Random Early Detection for congestion avoidance. A queue can differentiate certain
- Written by Travis Hammond
- Posted on 4月 24, 2020
- Updated on 1月 17, 2022
- 2053 Views
TAP Aggregation support for the DCS 7280R3 and DCS 7500R3 series is documented below, including the release in which a
- Written by Vipul Shah
- Posted on 8月 27, 2019
- Updated on 6月 24, 2022
- 2883 Views
BGP routing information often contains more than one path to the same destination network. The BGP best-path selection algorithm determines which of these paths should be considered as the best path to that network.
- Written by Ethan Rahn
- Posted on 11月 9, 2020
- Updated on 11月 13, 2020
- 1946 Views
This document details how to use the Zero Touch Provisioning (ZTP) USB configuration feature. Arista’s Zero Touch