Running vEOS in GNS3 1.5

How to Run vEOS 4.16.6M in GNS3 1.5 Intro This document will go over how to install a vEOS vm instance on both your Windows 7 OS as well as Mac OS X. The steps are exactly the same between OSes. We will first start with Windows 7 installation and will then show a few screenshots on the Mac. Finally we will conclude this post by going over the steps to run vEOS all locally off your machine (however this isn’t recommended as running vEOS in a  QEMU vm is much more efficient than running it locally). Prerequisites Aboot-veos-8.0.0.iso vEOS-lab-4.16.6M.vmdk...
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Virtual Routing and Forwarding (VRF) Fundamentals

This document will provide a summary over an Arista EOS switch and how an administrator can use Virtual Routing and Forwarding (VRFs) to achieve a desired solution. The number of VRFs varies per switch due to the amount of RAM and CPU on a switch.  As of this writing, VRF scale are the following per model. Configuration of a VRF is fairly straightforward and all VRFs have their own separate forwarding tables.  As with everything in EOS, all VRFs meet at SysDB. As these numbers may change in the future (as new features are added), please refer to the Release...
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How to Install & Configure Arista’s DirectFlow Assist for Palo Alto Firewalls

Contents Summary Prerequisite Summary Prerequisite Concepts Configuring QoS Markings Configuring the DFA Modes DFA Installation Palo Alto Configuration Troubleshooting SUMMARY For the high level solution brief, view the Palo Alto Solution Brief. One of the many features of having an Arista switch is the ability to install extensions on the box. Remember that you can manage the Arista switch as if it was a Linux server (it actually is, but that’s outside the scope of this article) – and because of this we can install RPM packages. One of the packages we can install is Arista’s DirectFlow Assist (DFA), which...
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