July, 2012

New Datacenter Network Design

I've came upon a network design for data center. While the physical infrastructure consisted of the latest technology,  it had "flaws" in the technical side of  it. The figure blew shows the connectivity.  

How to Interconnect OSPF areas? – part 2

In my previous entry, I have mentioned the methods that can be used to interconnect different areas in OSPF. In this entry, I would post another similar network...

How to Interconnect OSPF areas? – part 1

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...

PPP over Frame Relay

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...

INE refresh their troubleshoot for CCIE R&S

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...

how to use Administrative distance?

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...

how to use Administrative distance? – part 3

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?