Multi-Homed ์ƒํƒœ

๋‹จ์ผ ํ˜ธ์ŠคํŠธ๊ฐ€ ์—ฌ๋Ÿฌ ๋„คํŠธ์›Œํฌ์— ์—ฐ๊ฒฐ ๋˜์—ˆ์„ ๋•Œ

๋‹จ์ผ ํ˜ธ์ŠคํŠธ๊ฐ€ ์—ฌ๋Ÿฌ ๋„คํŠธ์›Œํฌ(ํ†ต์‹ ์‚ฌ)์˜ IP๋ฅผ ๊ฐ€์งˆ ๋•Œ


Multi-Homed ๋ฌธ์ œ์ 

์„œ๋ฒ„๊ฐ€ ์—ฌ๋Ÿฌ IP๋ฅผ ๊ฐ€์ง€๋ฉด, ์™ธ๋ถ€์™€ ํ†ต์‹ ์„ ํ•  ๋•Œ, ์–ด๋А IP๋กœ ํ†ต์‹ ์„ ํ•ด์•ผ ํ•˜๋Š”์ง€ ๋ชจ๋ฆ„ โ†’ ์ผ์ผํžˆ ์ง€์ •ํ•ด ์ฃผ์–ด์•ผ ํ•จ


์˜ˆ) ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ƒํ™ฉ์—์„œ ping 8.8.8.8 ์„ ํ•˜๋ฉด ์–ด๋А IP๋กœ ํ†ต์‹ ์ด ๋ ๊นŒ?

InterfaceIPํ†ต์‹ ์‚ฌ
eth010.0.10.5KT
eth110.0.20.5SKB
eth210.0.30.5LG U+


Multi-Homed ๋Œ€์›์น™

Default Route ๋Š” 1๊ฐœ

์›ํ•˜๋Š” ๋ผ์šฐํŒ…์ด ์žˆ์œผ๋ฉด ์ˆ˜๋™์œผ๋กœ ์ถ”๊ฐ€

์˜ˆ) AWS๋Š” SKB ํ†ต์‹ ์‚ฌ๋ฅผ ํ†ตํ•ด ์—ฐ๊ฒฐ, NHN Cloud๋Š” LG U+๋ฅผ ํ†ตํ•ด ์—ฐ๊ฒฐ, ๋‚˜๋จธ์ง€(๊ธฐ๋ณธ๊ฐ’)์€ KT๋ฅผ ํ†ตํ•ด ์—ฐ๊ฒฐ

InterfaceIPํ†ต์‹ ์‚ฌGatewayRoute
eth010.0.10.5KT10.0.10.1Default Route
(๋ผ์šฐํŒ… ์—”ํŠธ๋ฆฌ์— ์—†๋Š” IP ์ฃผ์†Œ์™€๋Š” Default ๋ฅผ ํ†ตํ•ด ํ†ต์‹ )
eth110.0.20.5SKB10.0.20.1AWS
eth210.0.30.5LG U+10.0.30.1NHN Cloud


OS ๋ณ„ย Multi-Homed ์„ค์ • ๋ฐฉ๋ฒ•

Debian ๊ณ„์—ด

Multi Home Guide for Debian

Multi-homed Network Setting in Ubuntu via netplan

RHEL ๊ณ„์—ด

(์ฐธ๊ณ ) NetworkManager ๋ž€? - ์˜คํ”ˆ์†Œ์Šค์ปจ์„คํŒ…


ifcfgNetworkManager
์žฌ์„ค์ • ๋ช…๋ น์–ด

service network restart

systemctl restart network

systemctl restart NetworkManager
์„ค์ •ํŒŒ์ผ ์œ„์น˜/etc/sysconfig/network-scripts/ifcfg-<interface>/etc/NetworkManager/system-connections/<interface>.nmconnection
RHEL 7

RHEL 8

RHEL 9

์ œ๊ฑฐ๋จ

/etc/NetworkManager/system-connections/ ์•ˆ์— ํŒŒ์ผ์ด ์—†์œผ๋ฉดย 
/etc/sysconfig/network-scripts/ ์•ˆ์˜ ifcfg ์„ค์ •์„ ์‚ฌ์šฉ

๊ธฐ๋ณธ๊ฐ’

Multi Home Guide for RHEL using ifcfg

Multi Home Guide for RHEL using Network Manager (nmcli)