The Journey of a Network Engineer:


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 18, 2012  4:24 AM

Different methods to advertise routes into OSPF

Posted by: Sulaiman Syed
advertisement, CCIE, Cisco, redistribute, route, router

Advertising routes into protocols is one of the interesting topics. Most of big enterprise networks will have different routing domains. Thus dealing with these routes become an essential topic in CCIE exams. Although the topic stats into OSPF, but these methods can generally be applied into any...

May 9, 2012  6:45 AM

How bridging works in Cisco routers?

Posted by: Sulaiman Syed
bridge, Cisco, router, routing, transparent

One of the layer two technologies that the CCIE candidate can face is bridging. What bridging does is that it transforms the Router's behavior of IP routing into a switch like behavior. The underlying commands are same, they differ when use different modes of Bridging on the router. There are...

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...

February 16, 2012  12:03 AM

Moving from Explicit Proxy to Transparent Proxy – part 4

Posted by: Sulaiman Syed
Cisco, Citrix, explicit, PBR, proxy, proxysg, router, switch, transparent

We have reached into a finalized design to run transparent proxy setup. The figure below shows the network diagram.

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February 8, 2012  3:01 AM

Review of INE workbook I

Posted by: Sulaiman Syed
CCIE, Cisco, exam, INE, Lab, Review, router, routing, switch

In the process of gaining my CCIE certification, I had to select a CCIE vendor to start. I used INE workbook for the lab preparation. The book covered almost every command possible to enter. If you read the DOC you would find that they managed...

December 27, 2011  1:11 AM

Moving from Explicit Proxy to Transparent Proxy – part 2

Posted by: Sulaiman Syed
Cisco, design, explicit, Firewall, network, PBR, proxy, router, switch, transparent

If you have read the first part of this series, you would know that there is major upgrade plan move from explicit proxy...

December 25, 2011  4:42 AM

Moving from Explicit Proxy to Transparent Proxy – part 1

Posted by: Sulaiman Syed
bridge, Cisco, explicit, PBR, proxy, router, switch, transparent, WCCP

Proxy can  be implemented in either a explicit or transparent mode. The deployment of proxy (network logical location) can be either in-line (bridge) or out-line. Since we are planning to more from the explicit mode to transparent mode, various changes are required to be done, on both network...

December 12, 2011  3:56 AM

CCIE RS INE Topology in GNS3

Posted by: Sulaiman Syed
CCIE, Cisco, download, Dynamips, exam, GNS3, Lab, router, switches

Continued »

December 7, 2011  5:47 AM

How to traffic shape Frame-Relay? – part 1

Posted by: Sulaiman Syed
bc, be, CCIE, cir, Cisco, exam, FRTS, Lab, pir, QoS, router, shape, tc, traffic

Frame-Relay Traffic shaping (FRTS) is one of the fundamental topics that is required to master before going to the CCIE lab exam. Since you never know which method will be required by the exam to do. There are four different types of methods, namely:

  • Generic Traffic...

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