Dynamic Network Diagrams, This is what we need!
We all create network diagrams. Network Engineers create network diagrams. But for who ? When ? Ho
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IPv6 in Enterprise , Should we still talk about it?
5 years ago Jeff Doyle and I recorded a podcast on IPv6 in Enterprise. We talked about IPv6 address
Read MoreTech Field Day in Barcelona
I was in Barcelona last week, there was a Cisco Live as you might know. During the Cisco Live unfort
Read More2018 was a good and busy year ! Things I have done during the last year
2018 is done! I wanted to share what I have done during the last year. During 2018,
Read MoreBGP Implicit and Explicit Withdraw
BGP Implicit and Explicit Withdraw are important BGP messages. Understanding these two mechanisms no
Read MoreWill Cisco Viptela continue to be one of the Leaders in SD-WAN ?
In 2017, Cisco completed Viptela acquisition. It is not a surprise for me that Gartner published Cis
Read MoreRouters Getting Routered – Silver Peak SD-WAN
Silver Peak SD-WAN. Routers Getting Routered - One of the Silver Peak's Slogan for SD-WAN. First,
Read MoreHair-pining in a Wide Area Network – Simple Design Scenario
In this post we will discuss how hair-pining is occurring in some topologies in the Enterprise bra
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Network Discovery and Mapping
What is Network Discovery and Mapping? As networks are growing and getting more dynamic, mappin
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Segment Routing and MPLS VPN
MPLS VPN and Segment Routing. Many people have been asking what are the differences between MPLS VPN
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Intent Based Networking , Is it the next big thing ?
Nowadays there are some technologies which every vendor talk about. SD-WAN is very hot topic but ano
Read MoreNetwork documentation 101 ! How? When? Why?
Documentation is an extremely important rule when building a network. You will know what has been do
Read MoreOrhan Ergun Training and Consultancy Company has CCIE SP Training as well !
Hi everyone ! I am glad to announce that we started CCIE SP (Service Provider) Training. &nb
Read MoreEIGRP in the Service Provider Networks
EIGRP in the Service Provider Networks. If you are wondering whether EIGRP (Enhanced Interior Gatewa
Read MoreSubmarine cables carry whole Internet Traffic ! More than 95
Submarine cables carry whole Internet Traffic. I am not exaggerating. Today's 95{ea8372c0850978052e2
Read MoreIstanbul/Turkey Onsite CCDE Training – 33
Istanbul/Turkey Onsite CCDE Training will be held between August 30 - September 3, 2018.
Read MoreAsk these questions before you replace any technology in your network !
If you are replacing one technology with the other, these questions you should be asking.
Read MoreHow many labels for VPN in MPLS
How many labels for VPN in MPLS ? For those who has good amount of knowle
Read MoreCCDE Written 352-001 Exam Experience – 2018
My recent experience on CCDE Written Exam. If you are reading this post , probably yo
Read More3 people passed CCDE Practical/Lab exam on February 2018 from my class
3 people sent me their feedbacks after they pass February 2018 CCDE Practical/Lab exam.
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