- Written by Shyam Kota
- Posted on 6月 20, 2022
- Updated on 6月 30, 2022
- 6469 Views
The NAT Flow feature is an unusual NAT feature that allows the translation of traffic streams in ways that go beyond the typical translations achieved with NAT. In that sense, the feature is not strictly a standard NAT feature; it can be seen as a combination of NAT and DirectFlow.
- Written by Shyam Kota
- Posted on 9月 2, 2021
- Updated on 9月 2, 2021
- 6543 Views
Line cards, fabric cards, and switch cards now alert the user whenever a card consumes excessive power. There are
- Written by Shyam Kota
- Posted on 6月 21, 2021
- Updated on 12月 15, 2021
- 7234 Views
The per port scheduler compensation feature is used to make adjustments to the packet size seen by the scheduler for
- Written by Shyam Kota
- Posted on 6月 21, 2021
- Updated on 6月 22, 2021
- 6043 Views
Route redistribution is a process that allows a network to use a routing protocol to dynamically route traffic based
- Written by Shyam Kota
- Posted on 4月 9, 2021
- Updated on 11月 2, 2021
- 7859 Views
gNOI (gRPC Network Operations Interface) defines a set of gRPC based microservices for executing operational
- Written by Shyam Kota
- Posted on 2月 23, 2021
- Updated on 7月 12, 2023
- 9171 Views
This feature terminates GRE packets on a TapAgg switch by stripping the GRE header and then letting the decapped packets go through the normal TapAgg path. With this feature, we can use an L3 GRE tunnel to transit tapped traffic to the TapAgg switch over an L3 network. That would widely extend the available use cases for TapAgg.
- Written by Shyam Kota
- Posted on 11月 23, 2020
- Updated on 11月 24, 2020
- 9889 Views
This feature is an extension of Qos Policy. It allows the user to configure Qos Policy Map counters. If a class map is
- Written by Shyam Kota
- Posted on 11月 9, 2020
- Updated on 11月 15, 2020
- 6924 Views
QinQ L3 subinterfaces divide a single ethernet or port channel interface into multiple logical L3 interfaces based
- Written by Shyam Kota
- Posted on 6月 5, 2020
- Updated on 10月 11, 2021
- 7167 Views
This feature implements RFC 3478. It allows devices to preserve the MPLS LDP LFIB entries in the forwarding plane if
- Written by Shyam Kota
- Posted on 4月 15, 2020
- Updated on 6月 1, 2023
- 6801 Views
This priority drop feature provides a way to drop packets according to QOS priority when the device ingress maximum packet rate is oversubscribed.
- Written by Shyam Kota
- Posted on 3月 12, 2020
- Updated on 7月 24, 2024
- 6307 Views
The CPU CoS mapping feature can be configured on Front panel ports, sub-interfaces, LAG and LAG sub-interfaces. SVIs and Tunnel interfaces are not supported at this time.
- Written by Shyam Kota
- Posted on 3月 11, 2020
- Updated on 3月 11, 2020
- 7191 Views
This mechanism allows a session to lock the configuration of the switch to prevent any other session from altering the
- Written by Shyam Kota
- Posted on 11月 12, 2019
- Updated on 11月 12, 2019
- 6899 Views
This feature improves the switch behavior and predictability when it runs out of memory (OOM). Common contributing
- Written by Shyam Kota
- Posted on 11月 6, 2019
- Updated on 12月 30, 2021
- 8465 Views
This feature allows setting the desired maximum VOQ latency. Drop probabilities are adjusted in hardware to meet
- Written by Shyam Kota
- Posted on 8月 26, 2019
- Updated on 8月 26, 2019
- 5113 Views
This feature adds two new show commands to better display route map information. The first show command displays
- Written by Shyam Kota
- Posted on 8月 23, 2019
- Updated on 8月 23, 2019
- 5893 Views
Add support for IPv6 management address in LLDP. An LLDP packet requires a management address, that is typically one
- Written by Shyam Kota
- Posted on 6月 17, 2019
- Updated on 6月 17, 2019
- 5980 Views
Previously, Tap Aggregation and Mirror to GRE timestamping only supported timestamping packets in International
- Written by Shyam Kota
- Posted on 6月 14, 2019
- Updated on 3月 3, 2022
- 10420 Views
IPv4 routes of certain prefix lengths can be optimized for enhanced route scale on 7500R, 7280R, 7500R2 and 7280R2
- Written by Shyam Kota
- Posted on 6月 14, 2019
- Updated on 6月 1, 2023
- 8318 Views
This article describes a set of CLI commands to create TCAM profiles. The profile is composed of a set of TCAM features, with each feature having customized lookup key, actions and packet types to hit.
- Written by Shyam Kota
- Posted on 6月 13, 2019
- Updated on 6月 13, 2019
- 12019 Views
The objective of Maintenance Mode on MLAG is to gracefully drain away the traffic (L2 and BGP) flowing through a switch
- Written by Shyam Kota
- Posted on 6月 13, 2019
- Updated on 6月 13, 2019
- 5920 Views
The base kernel for EOS was upgraded to use newer maintenance version 4.9.122 from version 4.9.108, bringing many
- Written by Shyam Kota
- Posted on 6月 13, 2019
- Updated on 4月 6, 2022
- 5817 Views
This feature introduces the possibility of creating Tap Aggregation PMF profiles consisting of 80 bit keys, to make a more efficient use of TCAM resources. Previously, we could only have key sizes of 160 or 320 bits.
- Written by Shyam Kota
- Posted on 6月 13, 2019
- Updated on 10月 19, 2021
- 8641 Views
Fair Adaptive Dynamic Thresholds (FADT) provides efficient allocation of shared packet buffer resources amongst
- Written by Shyam Kota
- Posted on 6月 13, 2019
- Updated on 12月 30, 2021
- 7023 Views
This feature modifies the display format of “show interface Tunnel <num> counters” on hardware
- Written by Shyam Kota
- Posted on 6月 12, 2019
- Updated on 6月 12, 2019
- 6661 Views
When a switchport receives its own STP BPDU, the port goes into role ‘Backup’ and state ‘Discarding’. The
- Written by Shyam Kota
- Posted on 6月 12, 2019
- Updated on 6月 19, 2019
- 6457 Views
TCAM is an important hardware resource which is used by ACL, Pbr, Qos on 7160 series. There are a total of 8 Tcam banks on
- Written by Shyam Kota
- Posted on 5月 21, 2019
- Updated on 3月 13, 2020
- 7233 Views
Arista Macro Segmentation Service (MSS) is a service in CloudVision which dynamically places a firewall (FW) in the
- Written by Shyam Kota
- Posted on 5月 21, 2019
- Updated on 5月 21, 2019
- 6626 Views
This feature allows the network administrator to set a flag to allow the Explicit Congestion Notification (ECN)
- Written by Shyam Kota
- Posted on 5月 21, 2019
- Updated on 6月 7, 2023
- 8871 Views
Add the ability to generate SYSLOG messages when a transceiver's digital optical monitoring threshold is crossed.
- Written by Shyam Kota
- Posted on 2月 14, 2019
- Updated on 2月 14, 2019
- 7909 Views
ContainerTracer provides a composite view of the physical network topology and Kubernetes. Kubernetes and CVX must
- Written by Shyam Kota
- Posted on 2月 14, 2019
- Updated on 9月 4, 2019
- 9176 Views
This document explains how to configure and deploy Arista MSS with Fortinet FortiGate firewalls (also called
- Written by Shyam Kota
- Posted on 1月 23, 2019
- Updated on 1月 23, 2019
- 6202 Views
EOS 4.21.3F adds support for OSPF Non Stop Forwarding in the multi agent routing protocol model.
- Written by Shyam Kota
- Posted on 1月 23, 2019
- Updated on 1月 23, 2019
- 4867 Views
4.21.3F introduces support for ‘Replace AS Path’ in the multi agent routing protocol model.
- Written by Shyam Kota
- Posted on 1月 22, 2019
- Updated on 1月 22, 2019
- 5644 Views
This feature introduces a configurable LSP refresh interval for originating ISIS LSPs. The default
- Written by Shyam Kota
- Posted on 1月 22, 2019
- Updated on 1月 22, 2019
- 5490 Views
RPF Exceptions TOI can be accessed here. 4.21.3F introduces support for this feature on SVIs(Switched
- Written by Shyam Kota
- Posted on 1月 22, 2019
- Updated on 1月 23, 2019
- 6538 Views
The route map subroutine (referred from here on as sub route map) configuration simplifies routing policies by
- Written by Shyam Kota
- Posted on 1月 22, 2019
- Updated on 1月 22, 2019
- 6187 Views
RIB Route Control is a collection of mechanisms for controlling how IP routing table entries get used. Next hop
- Written by Shyam Kota
- Posted on 1月 21, 2019
- Updated on 1月 21, 2019
- 5865 Views
4.21.3F introduces support for Bidirectional PIM in the platforms listed below. The TOI for the support in earlier
- Written by Shyam Kota
- Posted on 1月 21, 2019
- Updated on 1月 21, 2019
- 5613 Views
Sub interface counters provide ability to count packets and bytes incoming and outgoing on L3 sub interfaces. This
- Written by Shyam Kota
- Posted on 1月 21, 2019
- Updated on 1月 21, 2019
- 5638 Views
The CLI command “switchport dot1q vlan tag disallowed” disallows all the vlan tagged packets sent on L2
- Written by Shyam Kota
- Posted on 1月 21, 2019
- Updated on 5月 7, 2020
- 7174 Views
This feature enables MACsec service for non MACsec capable front panel ports. MACsec over front panel port is
- Written by Shyam Kota
- Posted on 1月 21, 2019
- Updated on 1月 21, 2019
- 5602 Views
Modular systems and fixed systems with multi faps by default use fabric egress replication mode. With fabric egress
- Written by Shyam Kota
- Posted on 1月 18, 2019
- Updated on 1月 23, 2019
- 5518 Views
The route map feature in BGP allows filtering and manipulating BGP path information. It combines set statements with
- Written by Shyam Kota
- Posted on 1月 18, 2019
- Updated on 1月 21, 2019
- 5481 Views
The BGP graceful restart mechanism defined in RFC4724 limits the usage of BGP graceful restart to BGP protocol
- Written by Shyam Kota
- Posted on 1月 17, 2019
- Updated on 1月 21, 2019
- 5628 Views
MMU Profile CLI allows to reserve buffers in either cells or bytes. This feature eases the configuration as different
- Written by Shyam Kota
- Posted on 10月 10, 2018
- Updated on 10月 22, 2018
- 6483 Views
7160 platform supports 2 different profiles, algomatch and tcam acl ipv4 ingress for configuring ACLs:
- Written by Shyam Kota
- Posted on 10月 9, 2018
- Updated on 10月 15, 2018
- 6249 Views
Added support to match on vlan ID in mirroring ACLs (ipv4, ipv6 and mac acls). All 7050X, 7050X2,
- Written by Shyam Kota
- Posted on 10月 9, 2018
- Updated on 10月 22, 2018
- 6733 Views
Currently, a single route map sequence can have a “match community”, and a “match extcommunity” clause.
- Written by Shyam Kota
- Posted on 10月 8, 2018
- Updated on 6月 12, 2019
- 7497 Views
This feature adds support for PIM SSM (Source Specific Multicast) for IPv6 Multicast Routing on platforms listed
- Written by Shyam Kota
- Posted on 8月 17, 2018
- Updated on 10月 12, 2018
- 6090 Views
DCS 7280SRM 40CX2 (see picture below), is a 1RU fixed system, which has two CFP2 ports (41 and 42), capable of hosting