Archivo del Autor: telecosistem

CCIE R&S EIGRP LAB

This is my CCIE R&S EIGRP study and wanted to share with you because is the best way to keep on learning. The topology was created on EVE-NG.   I’ll cover these topics from CCIER&Sv5.1 blueprint. EIGRP Summarization (auto-summary / … Seguir leyendo

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Deployment Management Tools

1.ANSIBLE Ansible is an open source tool based on Python, used to deploy applications to remote nodes and provision servers in a repeatable way. It gives you a common framework for pushing multi-tier applications and application artifacts using a push … Seguir leyendo

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Leaking VRF

Hi colleagues! Today, after having few issues with leaking vrf  I have decided to share with you clearly how configure this feature in Cisco devices. Goal: The network device in VRF can be reached from other router using global routing … Seguir leyendo

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Be BGP Expert Engineer

Today I’ll take advantage of the topology created by Stuart Fordham in order to dive so deeply how works BGP. CCIE – BGP Topology Note the topology was created on EVE-NG (http://eve-ng.net/) Firstly we’ll focus on create our first BGP-Confederation: … Seguir leyendo

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OpenStack for CCIE

Two weeks ago I had my first try of CCIE R&S and I failed because of a few questions regarding Openstack and IoT. In this section we’ll focus on in the main parts of OpenStack. OpenStack Components Nova: Manage and … Seguir leyendo

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VSS

Nowadays, one of the mandatory requirements is Datacenter resilience. In order to get resilience in our datacenter we use often the VSS protocol in CORE devices. Requirements:  Supervisor Engine 720 (WS-SUP720-3BXL): The VSL link between both members of VSS only … Seguir leyendo

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IPv6 knowledge required for CCIE

In this section we’ll summarize all you need to know about IPv6 for CCIE. Checksum The IPv6 header has fewer fields than IPv4 header, and header checksum was removed. IPv6 header is more efficient. In IPv4, a 16-bit field is used … Seguir leyendo

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