Writing this down before I forget, after passing on November 18th.    Studying for the CCIE EI ExamTo study for the CCIE EI exam, you first need study materials.People studying abroad seem to have access to various channels for learning.Of course, since everything is taught in English, it would be much easier if you're fluent in English.Two Types of CCIE Study:Studying for skill developmentStudy..

Chapter4  EIGRP (332page)LAB1 : EIGRP name modeTask 1 ~ Task 3  EIGRP 란?EIGRP(Enhanced Interior Gateway Routing Protocol)는 Cisco에서 개발한 거리 벡터 기반의 고급 라우팅 프로토콜입니다. 빠르고 안정적인 라우팅을 위해 설계되었으며, 주로 중대형 네트워크에서 사용됩니다. EIGRP는 Cisco 독점 프로토콜로 시작했지만, 나중에 표준화되어 타사에서도 사용할 수 있게 되었습니다.그러나 일부기능만 오픈되서 타벤터에서는 EIGRP 쓰려면 cisco 장비가 필수OSPF,BGP IS-IS 같은걸 더 많이 쓴다 주요 용어Neighbor:동일한 네트워크 세그먼트에서 EIGRP를 실행하는 라우터.Successor:목적지로..

CCIE EI(구 R&S) Study Roadmap 바로가기 링크(아래) https://ccie68155.tistory.com/43Task4 key point - should be configured dot1q trunk , but they should not be in permanet trunk modeTrunk 포트를 설정하면서 네트워크 장치가 자동으로 협상하도록 설정하려면 **Dynamic Trunking Protocol (DTP)**를 활용해야 합니다. 여기서 SW4와 SW5 사이의 E4/0 인터페이스를 dot1q 트렁크로 설정하되, permanent trunk가 아니라 dynamic trunk 모드로 구성해야 합니다.**Dynamic Trunking Protocol (DTP)**를 사용하면 아래..

CCIE EI(구 R&S) Study Roadmap 바로가기 링크(아래) https://ccie68155.tistory.com/43  요즘 회사가 바쁘네요 거의 1년의 미국회사 사이클을 경험하고 있습니다   다시 기본으로 돌아가고자 합니다 CCIE EI(구R&S) 공부를 계속 하려고 합니다 CCIE 공부는 자격증을 취득하고 나서부터 시작인것 같습니다  CCIE 원서 자료를 가지고 하나씩 팔로우 해보려고합니다           VTP (VLAN Trunk Protocol) it was developed to allow switches to dynamically synchronize the contects of their VLAN databases with each other to ease VLAN conf..

Technology-related portfolios Table of Contents Chapter1 SwitchingLAB1 : Configuring TrunksTask 1 ~ Task 3 -  https://ccie68155.tistory.com/44Task 4 ~ Task 12 - https://ccie68155.tistory.com/47Task 13 ~ Task 19 - VTP PruningTask 20 ~ Task 28 LAB2 : Configuring EtherChannelsTask 1 ~ Task 6LAB3 : Introducing STP802.1D Per-VLAN STPTask 1 ~ Task 4802.1DTask 1 ~ Task 13802.1w Per-VLAN Rapid STPTask 1..

After Hard Work, I Am Now a Double CCIEI passed CCIE EI on my third attempt, just like I did with CCIE DC. Now, I am officially a Double CCIE.It took $15,000 to earn my CCIE EI and $10,000 for my CCIE DC. This exam is painful, but not impossible. I started with the mindset that the more you practice, the better you get.Some people say that CCIE candidates only know the lab topology, but in reali..

I was planning to join the U.S. military after taking the ASVAB, but I got an internship at an American company, so I’m currently working there.If I don’t become a full-time employee within four months, I plan to enlist in the military immediately.Many people ask me, “Why would you join the military when you already have a CCIE certification?”I've thought about this question countless times, and..

If I don't schedule the exam, I won’t study...I have booked my CCIE EI lab exam for July, but the exact date might change slightly.Regardless, the big picture is to take the exam at least once this year.