August 2021
Beginner to intermediate
564 pages
12h 2m
Korean
Content preview from 클라우드 네이티브를 위한 데이터 센터 네트워크 구축: 데이터 센터 네트워킹을 위한 아키텍처, 프로토콜, 도구
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499
18
장
네트워크 구성 검증
18.3
케이블링 검증
핵심 케이블링 검증 질문은 바로 ‘네트워크 케이블이 올바른가?’이다. 다음은 이 질문에 대한
보다 구체적인 버전이다.
●
2
계층 클로스 네트워크에서 모든 리프는 모든 스파인과 정확히 한 번씩 연결되었나?
●
이중 연결된 서버의 경우 모든 서버는 올바른 스위치쌍과 연결되었나?
3
계층 클로스 네트워크는 다음과 같은 추가 질문이 있다.
●
각 스파인은 리프가 연결된 만큼 슈퍼 스파인과 연결되었나?
●
각 스파인은 슈퍼 스파인과 오직 한 번만 연결되었나?
이러한 질문에 대답하기 위해 문제를 (
i
) 기대되는 케이블링 동작을 어떻게 설명할 것인가?
(
ii
) 현재 케이블링 연결을 어떻게 확인할 것인가?로 나눈다.
사실 네트워크 커뮤니티에서는 예상되는 물리 케이블링 계획을 묘사하는 널리 받아들여진 모
델이 없다. 네트워크 연결성을 표현하기 위해
DOT
와 같은 그래프 언어를 사용하거나 파이썬
의
NetworkX
3
와 같은 도구를 사용할 수 있다.
링크 계층 탐색 프로토콜
link
-
level
discovery
protocol
,
LLDP
은 케이블링이 올바른지 확인하는 기초적인
방법이다.
LLDP
는 리눅스 서버를 포함하는 모든 네트워크 플랫폼에서 사용 가능한 표준 프로
토콜이다.
LLDP
에서 피어 노드는 이웃
neighbor ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.