Orhan Ergun

Author Archives: Orhan Ergun

Ask 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.         This may not be the complete list and one is maybe more important than the other for your network , but definitely keep in mind or come back to this post and check before you replace […]

The post Ask these questions before you replace any technology in your network ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Ask 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.         This may not be the complete list and one is maybe more important than the other for your network , but definitely keep in mind or come back to this post and check before you replace …

The post Ask these questions before you replace any technology in your network ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Ask 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.         This may not be the complete list and one is maybe more important than the other for your network , but definitely keep in mind or come back to this post and check before you replace …

The post Ask these questions before you replace any technology in your network ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

How many labels for VPN in MPLS

How many labels for VPN in MPLS ?     For those who has good amount of knowledge in MPLS already may know the answer. Or if you have taken my CCDE course before, this question is basic for you.   But understanding this fundamental piece of knowledge is key to understand MPLS Applications. MPLS […]

The post How many labels for VPN in MPLS appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

How many labels for VPN in MPLS

How many labels for VPN in MPLS ?     For those who has good amount of knowledge in MPLS already may know the answer. Or if you have taken my CCDE course before, this question is basic for you.   But understanding this fundamental piece of knowledge is key to understand MPLS Applications. MPLS …

The post How many labels for VPN in MPLS appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

How many labels for VPN in MPLS

How many labels for VPN in MPLS ?     For those who has good amount of knowledge in MPLS already may know the answer. Or if you have taken my CCDE course before, this question is basic for you.   But understanding this fundamental piece of knowledge is key to understand MPLS Applications. MPLS …

The post How many labels for VPN in MPLS appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

CCDE Written 352-001 Exam Experience – 2018

My recent experience on CCDE Written Exam.    If you are reading this post , probably you know that CCDE Written (Qualification) Exam is the only prerequisite for the CCDE Practical exam.   Also when you pass CCDE Practical exam and get the magical number, you need to retake every 2 years CCDE Written or […]

The post CCDE Written 352-001 Exam Experience – 2018 appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

CCDE Written 352-001 Exam Experience – 2018

My recent experience on CCDE Written Exam.    If you are reading this post , probably you know that CCDE Written (Qualification) Exam is the only prerequisite for the CCDE Practical exam.   Also when you pass CCDE Practical exam and get the magical number, you need to retake every 2 years CCDE Written or …

The post CCDE Written 352-001 Exam Experience – 2018 appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

CCDE Written 352-001 Exam Experience – 2018

My recent experience on CCDE Written Exam.    If you are reading this post , probably you know that CCDE Written (Qualification) Exam is the only prerequisite for the CCDE Practical exam.   Also when you pass CCDE Practical exam and get the magical number, you need to retake every 2 years CCDE Written or …

The post CCDE Written 352-001 Exam Experience – 2018 appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

3 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.     Exam result was announced on May 2018 (2 to 3 months after according to new CCDE Practical exam result policy) but I couldn’t find a chance to share their results on the website.   I can’t count anymore how […]

The post 3 people passed CCDE Practical/Lab exam on February 2018 from my class appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

3 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.     Exam result was announced on May 2018 (2 to 3 months after according to new CCDE Practical exam result policy) but I couldn’t find a chance to share their results on the website.   I can’t count anymore how …

The post 3 people passed CCDE Practical/Lab exam on February 2018 from my class appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

3 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.     Exam result was announced on May 2018 (2 to 3 months after according to new CCDE Practical exam result policy) but I couldn’t find a chance to share their results on the website.   I can’t count anymore how …

The post 3 people passed CCDE Practical/Lab exam on February 2018 from my class appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Why Content Providers don’t like Access Service Providers

Why Content Providers (Over the Top) don’t like Access Service Providers ?   Probably title of this post could be a ‘ Power of Access Providers ‘ or better ,  should be ‘ Why Some Content Providers don’t like Some Access Service Providers’. You will understand the reasons at the end of the post I promise.   […]

The post Why Content Providers don’t like Access Service Providers appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Why Content Providers don’t like Access Service Providers

Why Content Providers (Over the Top) don’t like Access Service Providers ?   Probably title of this post could be a ‘ Power of Access Providers ‘ or better ,  should be ‘ Why Some Content Providers don’t like Some Access Service Providers’. You will understand the reasons at the end of the post I promise.   …

The post Why Content Providers don’t like Access Service Providers appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Why Content Providers don’t like Access Service Providers

Why Content Providers (Over the Top) don’t like Access Service Providers ?   Probably title of this post could be a ‘ Power of Access Providers ‘ or better ,  should be ‘ Why Some Content Providers don’t like Some Access Service Providers’. You will understand the reasons at the end of the post I promise.   …

The post Why Content Providers don’t like Access Service Providers appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Please don’t register to South Africa/Johannesburg CCDE Class, it is full !

Hi Everyone,   I would like to inform you that Instructor Led CCDE Class in South Africa/Johannesburg Training is full. So please don’t register for it.   Having more people will reduce the time required for discussions. Those who attended any of my earlier class know that we have already very packed agenda, approximately 2000 […]

The post Please don’t register to South Africa/Johannesburg CCDE Class, it is full ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Please don’t register to South Africa/Johannesburg CCDE Class, it is full !

Hi Everyone,   I would like to inform you that Instructor Led CCDE Class in South Africa/Johannesburg Training is full. So please don’t register for it.   Having more people will reduce the time required for discussions. Those who attended any of my earlier class know that we have already very packed agenda, approximately 2000 …

The post Please don’t register to South Africa/Johannesburg CCDE Class, it is full ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Please don’t register to South Africa/Johannesburg CCDE Class, it is full !

Hi Everyone,   I would like to inform you that Instructor Led CCDE Class in South Africa/Johannesburg Training is full. So please don’t register for it.   Having more people will reduce the time required for discussions. Those who attended any of my earlier class know that we have already very packed agenda, approximately 2000 …

The post Please don’t register to South Africa/Johannesburg CCDE Class, it is full ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Different IGP and BGP Methodologies of Multi National Service Providers

Different IGP and BGP Methodologies of Multi National Service Providers. I mentioned two different IGP and BGP design approaches for two different Multi National Service Providers in my last CCDE course   Both are these operators in Africa and one of them has an operation in 4 and another has an operation in 5 countries.   […]

The post Different IGP and BGP Methodologies of Multi National Service Providers appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Different IGP and BGP Methodologies of Multi National Service Providers

Different IGP and BGP Methodologies of Multi National Service Providers. I mentioned two different IGP and BGP design approaches for two different Multi National Service Providers in my last CCDE course   Both are these operators in Africa and one of them has an operation in 4 and another has an operation in 5 countries.   …

The post Different IGP and BGP Methodologies of Multi National Service Providers appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

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