• Author : Teren Sapp


VLAN Traffic Mirroring on R Series Products

Traffic can be mirrored to ports using the monitor syntax, however the source of the mirrored traffic is limited to Ethernet and Port-channel interfaces. If there is a requirement to source a mirror from a specific VLAN across multiple ports, a different method is available as of EOS 4.20.5F or later on R series platforms utilizing DirectFlow. Before DirectFlow can be configured, a new TCAM profile must be configured and applied: hardware tcam    profile direct-flow-mirror-vlan       feature flow          key size limit 160          key field dst-mac ether-type in-port src-mac vlan...
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Installing Puppet on EOS

Getting started with Puppet and EOS isn’t a difficult process. It involves taking advantage of the extensible nature of EOS. There are two primary extensions that need to be loaded in EOS in order for an Arista network element to be included in the Puppet ecosystem. Installation Installation of the agent on a switch includes adding the Ruby Client for eAPI (rbeapi) and the Puppet agent extensions, basic management configuration, including hostname, domain, and time synchronization (for SSL certificate management), and enabling eAPI access to the switch. Additionally, the Puppet master needs the appropriate modules installed (NetDev_stdlib and EOS) so you...
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DANZ TAP Aggregation Configuration: Quick Start

TAP Aggregation Overview TAP Aggregation enables N:M packet replication, unlike SPAN/mirror ports, which have limited filtering capability and only a few ports with which to mirror to. Besides that, Arista’s TAP aggregation offering enables users to leverage the extensibility of EOS – click here for a more in depth overview of TAP aggregation or contact your local account team for an in depth overview of DANZ. Enabling Tap Aggregation By default, Arista switches operate in normal switching mode. To place the switch into TAP aggregation mode, the following configuration must be added: tap aggregation   mode exclusive This configuration disables all ports...
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