CLEUR Barcelona 2018 Day 2

Sessions for the second day BRKCRS-2110 Delivering Cisco Next Generation SD-WAN with Viptela It was a quick Architecture intro and Demo, and it seems very intuitive. This definitively worth a couple of dcloud sessions over the next weeks. An article about some observations when comparing with IWAN on the following link http://viptela.com/viptela-vs-cisco-comparing-sd-wan-vendors-platforms/ LTRCCIE-3401 CCIE SP … Read more

L2TPv3 Tunneling

There are different L2VPN technologies like L2TPv3, VPLS, H-VPLS, AToM. Except L2TPv3, the others require a MPLS backbone. L2TP uses IP protocol 115   Point-to-Point Layer 2 Tunneling Protocol v3 (L2TPv3) Any transport over MPLS (AToM) Point-to-Multipoint Virtual Private LAN Service (VPLS) Hierarchical Virtual Private LAN Service (H-VPLS) Payload agnostic supports Ethernet, Frame-Relay, ATM, HDLC, … Read more

IOS-XR Secure Domain Router (SDR)

Before we start with SDR concept, we need an introduction about virtualization techniques for creating virtualized router entities. A Hardware-Isolated Virtual Router (HVR) has hardware-based resource isolation between routing entities, whereas a Software-Isolated Virtual Router (SVR) comprises software-based resource isolation between routing entities. Within SVRs, there are several models for achieving virtualization. One model allows … Read more

Cisco nV Technology

Cisco nV allows you to simplify operations and deployment of new services across different boundaries in a Service Provider network. But what is exactly this technology? It’s a single logical switch/router built by interconnecting an ASR9K and one or more smaller satellite switches. This switches act as a remote line cards, they are provisioned in … Read more

Cisco IOS-XR Basics

IOS-XR code is really new for me, so i will write a few posts about it. So i will start with the basics. You can see this Operating System on CRS generations, ASR 9000 and NCS Box’s. Configure Username and Group The root-system means priviledge 15 in normal IOS RP/0/0/CPU0:XR-4(config)#username cocheno RP/0/0/CPU0:XR-4(config-un)# group root-system RP/0/0/CPU0:XR-4(config-un)# … Read more

Revision CCIE Service Provider Exam Topic Updates from v3.0 to v4.0

Cisco announced a new Exam for CCIE SP v4, this new exam will follow a new structure like the newest one CCIE R&S v5. The last day to test for both the Written Exam v3.0 (350-029) and the Lab Exam v3.0 will be May 21, 2015.  Beginning May 22, 2015, the Written Exam v4.0 (400-201) … Read more

O CCIE em V’s

A tabela das versões dos Labs (CCIE) em que se tornaram activas. Supostamente a Cisco informa com 6 meses de antecedência a nova versão. Algumas não foi possível constatar qual a versão pelo que considerei como sendo a v1. Track v1 v2 v3 v4 v5 Routing & Switching  ?  ? ? 18 Out 2009 3 … Read more

Leituras Virtuais CCIE da IPExpert

A IPExpert disponibiliza diversas apresentações sobre tecnologias abordadas nas Certificações CCIE. CCIE R&S / CCIE Service Provider Performance Routing/Optimized Edge Routing SP Catalyst 3560 QoS Basics Catalyst Switching – Part 1 Catalyst Switching – Part 2 Routing Protocol Redistribution RIP Frame Relay Interdomain Multicast Routing OSPF Area Types Advanced MPLS L3 VPNs IP Multicast and … Read more

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