- Written by Lavanya Conjeevaram
- Posted on 9月 11, 2017
- Updated on 2月 6, 2022
- 5921 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 9月 30, 2015
- Updated on 6月 15, 2018
- 5911 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5588 Views
The active active neutron controller support in CVX enables the deployment of highly available neutron service with
- Written by Anoop Dawani
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5588 Views
This article describes changes to the platform command 'show platform fm6000 agileports'. Earlier this command was
- Written by Anoop Dawani
- Posted on 9月 30, 2015
- Updated on 2月 6, 2022
- 6452 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 9月 30, 2015
- Updated on 2月 7, 2022
- 6235 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 9月 30, 2015
- Updated on 9月 30, 2015
- 6832 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 9月 30, 2015
- Updated on 7月 12, 2024
- 16042 Views
BGP Non Stop Forwarding (NSF) aims to minimize the traffic loss when the the following scenarios occur:
- Written by Abhiram Kalluru
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5768 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 9月 30, 2015
- Updated on 9月 30, 2015
- 6002 Views
The BGP selective route download feature allows learning and advertising BGP prefixes without installing them in
- Written by Yitao (Eric) Wu
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 6009 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 9月 30, 2015
- Updated on 4月 5, 2016
- 6142 Views
Bidirectional Protocol Independent Multicast (PIM) allows routers to build trees to deliver multicast traffic
- Written by Pandurangan R S
- Posted on 9月 11, 2017
- Updated on 9月 11, 2017
- 6004 Views
Configurable TPID enables TPID to be configured per switchport (default TPID on switchport is 0x8100) on
- Written by Anupama Srivastava
- Posted on 9月 30, 2015
- Updated on 2月 8, 2022
- 5406 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5636 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 9月 30, 2015
- Updated on 2月 8, 2022
- 5495 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 9月 30, 2015
- Updated on 2月 7, 2022
- 5312 Views
When a user configures IPv6 ACLs, by default, the system automatically includes two additional rules : a default
- Written by Qin Zhang
- Posted on 9月 30, 2015
- Updated on 7月 21, 2023
- 5471 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 9月 30, 2015
- Updated on 12月 22, 2017
- 6394 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5589 Views
Arista switches enable high precision time distribution directly in the data path using IEEE1588 Precision Time
- Written by Sarah Chen
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 6187 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5386 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 9月 30, 2015
- Updated on 2月 5, 2022
- 5362 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 3月 16, 2022
- Updated on 3月 13, 2023
- 6105 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 9月 30, 2015
- Updated on 2月 6, 2022
- 5325 Views
Bidirectional Forwarding Detection(BFD) is a low overhead protocol designed to provide rapid detection of
- Written by Kamala R
- Posted on 9月 30, 2015
- Updated on 7月 20, 2023
- 5931 Views
The difference between the two forms of authentication is in the level of security provided. In case of clear text authentication, the password is specified as text in the authentication TLV, making it possible for an attacker to break the authentication by sniffing and capturing IS-IS PDUs on the network.
- Written by Nandan Saha
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5367 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5439 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5526 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 9月 30, 2015
- Updated on 4月 22, 2020
- 5830 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 9月 30, 2015
- Updated on 3月 7, 2024
- 5678 Views
SPF Timers can be used in IS-IS to throttle the frequency of shortest-path-first (SPF) computations. In networks with a lot of churn, using these timers will help in containing the effect of network disruptions arising out of frequent SPF runs.
- Written by Aditya Gujral
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5335 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 9月 30, 2015
- Updated on 2月 7, 2022
- 5391 Views
This feature extends the IS IS set overload bit command to support wait for BGP option. In scenarios
- Written by Greg Poloczek
- Posted on 9月 11, 2017
- Updated on 9月 11, 2017
- 6413 Views
Arista switches use the hashing algorithm to load balance traffic among LAG (Link Aggregation Group) members
- Written by Peter Lam
- Posted on 9月 30, 2015
- Updated on 12月 11, 2023
- 9391 Views
Leaf Smart System Upgrade (SSU) provides the ability to upgrade the EOS image with minimal traffic disruption.Note: It is possible that SSU shutdown and bootup are not supported in the same image. If a product has shutdown support in image A and bootup support in a later image B, then SSU upgrade cannot be performed from image A to any images earlier than image B, including image A itself. However, upgrading from image A to image B onwards is allowed.
- Written by Sriram Rajagopalan
- Posted on 9月 30, 2015
- Updated on 2月 5, 2022
- 8259 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 9月 30, 2015
- Updated on 8月 16, 2024
- 8690 Views
Arista switches provide several mirroring features. Filtered mirroring to CPU adds a special destination to the mirroring features that allows the mirrored traffic to be sent to the switch supervisor. The traffic can then be monitored and analyzed locally without the need of a remote port analyzer. Use case of this feature is for debugging and troubleshooting purposes.
- Written by Shamit Kapadia
- Posted on 9月 30, 2015
- Updated on 1月 31, 2024
- 9289 Views
In an MLAG setup, routing on a switch (MLAG peer) is possible using its own bridge/system MAC, VARP MAC or VRRP MAC. When a peer receives an IP packet with destination MAC set to one of the aforementioned MACs, the packet gets routed if the hardware has enough information to route the packet. Before introducing this feature, if the destination MAC is peer’s bridge MAC, the packet is L2 bridged on the peer-link and the routing takes place on the peer. This behavior to use the peer-link to bridge the L3 traffic to the peer is undesirable especially when the MLAG peers can route the packets themselves.
- Written by Som Neema
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 7513 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 9月 30, 2015
- Updated on 1月 20, 2023
- 6498 Views
The nexthop group feature allows users to manually configure a set of tunnels. Nexthop group counters provide the ability to count packets and bytes associated with each tunnel nexthop, irrespective of the number of times it appears in one or more nexthop groups. In other words, if a nexthop group entry shares a tunnel resource with another entry, they will also share the same counter.
- Written by Prateek Nigam
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5489 Views
Action TTL decrement in an OpenFlow flow. OpenFlow 1.3 Group support on DCS 7010 series. Clearing
- Written by Rachee Singh
- Posted on 9月 30, 2015
- Updated on 9月 30, 2015
- 5355 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 9月 30, 2015
- Updated on 7月 13, 2018
- 6136 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5786 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 9月 30, 2015
- Updated on 9月 30, 2015
- 6095 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 9月 30, 2015
- Updated on 9月 30, 2015
- 5299 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 9月 30, 2015
- Updated on 9月 30, 2015
- 7836 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 9月 30, 2015
- Updated on 2月 4, 2016
- 9748 Views
Some data plane features on some switch platforms may require packets to be recirculated through the switch chip in
- Written by Anoop Dawani
- Posted on 9月 30, 2015
- Updated on 2月 7, 2022
- 4758 Views
This feature allows routing traffic across two Vrf domains on the same switch using an external loopback cable
- Written by Anoop Dawani
- Posted on 9月 30, 2015
- Updated on 10月 1, 2015
- 5258 Views
Secondary private VLAN trunk ports are introduced in the EOS 4.15.2F release. This feature can