The Journey of a Network Engineer:


July 28, 2012  1:26 AM

How to Interconnect OSPF areas? – part 1

Posted by: Sulaiman Syed
CCIE, Cisco, Configure, network, OSFP, protocol, route, router, routing

While studying for CCIE, i realized that no scenario will be without connecting different OSPF areas. So, what are the rules when having multiple areas in OSPF to have a fully converged network with full route propagation? The rule is one

Every Area is OSPF should be connected to...

July 27, 2012  5:04 AM

PPP over Frame Relay

Posted by: Sulaiman Syed
ARP, CCIE, Cisco, configuration, Frame-Relay, PVC

In the process of studying, i came upon a dreaded topic. Well, it was dreaded cause i never got my hands at it. PPP over Frame Relay, or PPPoFR. For some reason, I can't figure it out. So, the best is. Do little studying about it, write it. and Hopefully it sticks in my head. To configure PPP...

July 24, 2012  1:59 AM

INE refresh their troubleshoot for CCIE R&S

Posted by: Sulaiman Syed
CCIE, Cisco, INE, Lab, network, routing

Couple of months ago, Brian mentioned in his blog "INE R&S CCIE Product and Rack Updates – May 2012" the new troubleshoot rack, scenario. Yes, this will go inline with the 2 hour sections that in real...

July 2, 2012  7:58 AM

how to use Administrative distance? – part 3

Posted by: Sulaiman Syed
AD, CCIE, Cisco, EIGRP, iBGP, mpls vpn, route, router

This is the last entry for the series "how to use administrative distance". The interesting part was, why when static routes were distributed into EIGRP, they were shown as Internal?

May 29, 2012  9:16 AM

how to use Administrative distance? – part 2

Posted by: Sulaiman Syed
administrative, CCIE, Cisco, distance, distribution, EIGRP, mpls vpn, route, router, static

In my earlier Blog, i have shown a detailed diagram of the problem/ requirement of the network change. After 5 mins of studying the proposal i came with an easy solution to change the routing behavior. I have made few assumptions and based on it i built my design. These assumptions are correct,...

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 2, 2012  8:57 AM

CCIE Datacenter

Posted by: Sulaiman Syed
CCIE, Certification, Cisco

Cisco has finally announced the CCIE Datacenter Track. The rumors were out for almost a year now. Well, the wait is over. People should start taking the exam :) The Track from my opinion...

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 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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