The Journey of a Network Engineer:

MPLS

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July 8, 2012  8:26 AM

how to use Administrative distance?



Posted by: Sulaiman Syed
AD, administrative, advertisement, Aggregation, Cisco, eBGP, MPLS, redistributing, route, router, routing, traceroute

When i started writing the first article, i never thought that it will turn into a three different blogs. Truth to be told, the scenario was such a complicated one. that just changing the AD was not enough to provide the intended routing path.

The scenario is from the...

May 28, 2012  2:44 AM

How to use Administrative distance? – part 1



Posted by: Sulaiman Syed
AD, administrative, CCIE, Cisco, distance, EIGRP, MPLS, router, vpn

I'll admit, the title is slightly misleading. I will not elaborate on how to use AD for the routing benefit in general. What i would do is, explain a scenario. Then manipulate AD to have the desired routing outcome. In first entry, i would just show the scenario, while the configurations and...


May 14, 2012  12:26 PM

The difference between Cisco Nexus 7000 M1, F1, and F2 line cards.



Posted by: Sulaiman Syed
Cisco, F1, F2, fabric path, line cards, M1, MPLS, Nexus, Nexus 5000, Nexus 7000, OTV

I have written an article few months ago touching the main differences between the F1 and M1 cards in the Cisco Nexus 7k platform. The main...


February 21, 2012  2:38 PM

How to use route-target?



Posted by: Sulaiman Syed
CCIE, Cisco, MPLS, route-map, router, vpn

The main purpose of route targets is to provide connectivity between different  MPLS-VPN  networks. For example, there are three enterprises namely A, B, and C. A and B are major networks with their own MPLS-VPN.  Enterprise A requires to access some servers and resources from Enterprise C. The...


October 17, 2011  12:32 AM

Loopback address and MPLS-VPN!



Posted by: Sulaiman Syed
Configure, EIGRP, GNS3, how, ios, MPLS, RIP, router, switch, to, vpn

In this article, i will not go deeply into the issue of configuring MPLS-VPN. The steps were mentioned very clearly in an earlier post. MPLS-VPN Tutorial...


February 10, 2011  4:44 AM

MPLS VPN tutorial



Posted by: Sulaiman Syed
Cisco, configuration, Dynamips, example, GNS3, MPLS, mpls vpn, tutorial, vpn

I would like to post a simple example of how to set up MPLS-VPN for two users. This example was used from the Cisco Press book CCIE Routing and Switching . Although the book...


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...


February 8, 2011  3:35 AM

How MPLS works?



Posted by: Sulaiman Syed
Cisco, how, how mpls works, ip, label, LDP, LFIB, MPLS, network, pop, push, QoS, tag, Unicast, works

MPLS protocol uses a different mechanism to forward packets. Packets are sent based on MPLS lable instead of the conventional packet's destination IP address. It add the ability to make forwarding decisions based on other factors beside the IP address, such as traffic engineering, QoS, and privecy...


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