- Written by Travis Hammond
- Posted on July 29, 2024
- Updated on July 29, 2024
- 201 Views
Arista’s DCS-7130LBR series of switches are capable of supporting SwitchApp, which is an FPGA-based L2/L3 switch. However, as the switch would then contain two switch ASICs (one traditional switch ASIC, and one FPGA-based switch) physically upon loading the SwitchApp application, there are certain limitations and nuances along with its usage. This document intends to explain some of the details.
- Written by Travis Hammond
- Posted on December 29, 2021
- Updated on December 29, 2021
- 7120 Views
TCAM features matching on the same packet type and executing the same action are implicitly prioritized if both are
- Written by Travis Hammond
- Posted on September 21, 2021
- Updated on September 8, 2023
- 8956 Views
Timestamping is an important tool for network engineering and performance analysis. The timestamp can be applied to a packet as either an inserted header or replacing the source MAC address of the original packet. Timestamps are recorded on ingress and applied on egress.
- Written by Travis Hammond
- Posted on April 24, 2020
- Updated on January 17, 2022
- 5939 Views
TAP Aggregation support for the DCS 7280R3 and DCS 7500R3 series is documented below, including the release in which a
- Written by Travis Hammond
- Posted on March 6, 2020
- Updated on March 6, 2020
- 5392 Views
This feature allows the removal of a configurable number of leading bytes from packets sent to a monitor session. A new
- Written by Travis Hammond
- Posted on December 17, 2019
- Updated on February 7, 2020
- 5471 Views
Extra MPLS pop is a feature for TAP Aggregation that allows one to remove 4 to 6 MPLS labels from a packet. Previously,
- Written by Travis Hammond
- Posted on August 23, 2019
- Updated on December 17, 2019
- 4413 Views
A Label Edge Router (LER) decapsulating an MPLS packet may choose to source the TTL and DSCP fields from either the MPLS
- Written by Travis Hammond
- Posted on August 23, 2019
- Updated on December 17, 2019
- 4592 Views
Ingress and egress IPv4 and IPv6 access lists do not automatically match the inner IP header when processing IP over
- Written by Travis Hammond
- Posted on May 17, 2018
- Updated on April 18, 2022
- 5045 Views
This article describes the VXLAN header stripping feature for TAP Aggregation mode. The purpose of this feature is to remove the outer L2 and VXLAN headers on a selected tap port, with the inner frame forwarded to the associated tool port(s).
- Written by Travis Hammond
- Posted on April 23, 2018
- Updated on June 28, 2021
- 4922 Views
This article describes the TAP Aggregation Traffic Steering features provided by the Extended TCAM Profile. This
- Written by Travis Hammond
- Posted on February 15, 2018
- Updated on February 15, 2018
- 5854 Views
This article describes a new TAP Aggregation TCAM profile and a corresponding enhancement to the TAP Aggregation
- Written by Travis Hammond
- Posted on March 31, 2017
- Updated on July 21, 2023
- 7155 Views
This article describes the TAP Aggregation User Defined Fields feature. The purpose of the User Defined
- Written by Travis Hammond
- Posted on April 13, 2015
- Updated on April 18, 2022
- 5912 Views
This article describes the Tap Aggregation MPLS Pop feature. The purpose of this feature is to support tools that do not parse MPLS labels and therefore need the switch to remove (pop) the MPLS header.