More on IPv6

IPv6 tunnels

It’s been a while since we had any technical post on this blog so here goes. We have more IPv6 articles both from a Cisco perspective and tunneling mechanisms.

Some of these articles are relevant to Cisco certifications and you should visit the Intense School Cisco bootcamp page for more training options.


The silly things couples argue about: White or Cream?

Recently, I watched a funny (but true) video on Facebook about the weird things couples fight about. I sent it to my wife, we laughed and picked the ones that were similar in our relationship.

Fast forward two days and we were driving to work. She brushed her laptop bag on my t-shirt and I was like “Ah ahn, you want to stain my white shirt?” She goes, “It’s not even a white shirt – it is cream”. *Begin silly fight* Continue reading

Psst…the Cisco Mentoring Program has launched!

I often get messages from people just starting out their Networking career and others who are well on their way: they would like to talk to someone who has gone ahead on the path they are currently treading. Other times, they have questions (technical and otherwise) they would like answered. Generally speaking, what they want in one word is a “Mentor”.

Rather than randomly looking for a Cisco mentor, I decided to make it official. I recently launched Continue reading

God wants you to make Heaven

(Photo credit:

While growing up, I lived in fear of making Heaven: “If the trumpet sounds now, will I make it?” I saw God like a neutral Being who didn’t care whether you come to Heaven or are banished to Hell for eternity. Christianity became a religion of fear and the question of “What of a man who has being doing good all his life and sins right before the trumpet blows?” kept ringing in my mind.

Now I know of Grace and Forgiveness and Righteousness. I know that God is not neutral; He actually destined me to make Heaven as recorded in 1Thes 5:9:

For God hath not appointed us to wrath, but to obtain salvation by our Lord Jesus Christ,

Hey, but does that mean that I will go about living my life in sin? A father that promises his son the management of his company when he’s old enough does not expect that the son will quit school (or learning) just because he has a promise. In the same way, certain things are required of me as noted in 1Thes 5:4-8:

But ye, brethren, are not in darkness, that that day should overtake you as a thief. Ye are all the children of light, and the children of the day: we are not of the night, nor of darkness. Therefore let us not sleep, as do others; but let us watch and be sober. For they that sleep sleep in the night; and they that be drunken are drunken in the night. But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.

2Peter 3 also tells us more about this. So no, I don’t see God as a wicked headmaster just waiting for me to make a mistake; I see Him as a loving Father Who has blessed me with all spiritual blessings in heavenly places.

Quit living in fear today. Embrace the Grace of God.

Cisco IPv6 Series

IPv6 source address selection

Cisco IPv6 series

Let’s just say I have caught the IPv6 bug and I mus admit: It’s quite interesting. I hope to someday gain real experience with IPv6 but till then, I’d keep learning…and writing.

That being said, I have a new series running on the Intense School site which focuses on Cisco IPv6. A couple of article have been posted:

There’s also one article relating to IPv6 that is not Cisco-specific: IPv6 source address selection. Considering that one IPv6 node can have several IPv6 addresses even on the same interface, you can see why source address selection is important.

These articles are relevant to Cisco certifications and you should visit the Intense School Cisco bootcamp page for more training options.