The Journey of a Network Engineer:

virtual

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February 13, 2012  10:33 AM

How to configure VRF-lite?



Posted by: Sulaiman Syed
CCIE, Cisco, Configure, forwarding, how, routing, to, virtual

VRF-lite is as the name says, light version of VRF. What is VRF? It is Virtual Routing and Forwarding. It is a logical way of segregating network traffic. Mostly used with

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October 25, 2011  1:34 AM

How to Configure PPPoE?



Posted by: Sulaiman Syed
Cisco, Configure, dhcp, how, interface, ios, PPPoE, router, virtual

This is one of the interesting things i have learned in past week. PPP over Ethernet (PPPoE). It is simple, yet tricky. It also has a limitation that network engineers might not know which will bring their network down. Lets see a sample configuration of how to do it. First, configure one Router...


October 3, 2011  1:59 PM

How to run INE CCIE Routing and Switching Lab on IOU?



Posted by: Sulaiman Syed
CCIE, Cisco, exam, GNS3, how, INE, IOU, Lab, routing, switching, virtual, VMware

This is a utility which I got to know few days ago. It was one of those things that made my life really really good. Since the preperation for CCIE R&S Lab exam started, i wanted a platform to practice the concepts. Although we do have latest technology in our production environment, i can't...


February 9, 2011  8:16 AM

what is MPLS VPN?



Posted by: Sulaiman Syed
Cisco, how mpls vpn works, MPLS, mpls vpn, network, router, routing, service provider, virtual, virtual routing, vpn

When a service provider connects to sites that belong to one customer that uses private address then SP will advertise those routes within his autonomous systems. This could be handled when he is serving one ogranization. What if the SP is connecting 10 customers each with three sites and all of...


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