{"id":3880,"date":"2025-11-08T11:12:00","date_gmt":"2025-11-08T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/understanding-internet-control-message-protocol-icmp-guide\/"},"modified":"2026-06-22T08:59:02","modified_gmt":"2026-06-22T08:59:02","slug":"understanding-internet-control-message-protocol-icmp-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-internet-control-message-protocol-icmp-guide","title":{"rendered":"\uce68\ubb35\uc758 \uba54\uc2e0\uc800: \uc778\ud130\ub137 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c(ICMP)\uc5d0 \ub300\ud55c \uc2ec\uce35 \ubd84\uc11d"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1408\" height=\"768\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99.jpg\" alt=\"Understanding Internet Control Message Protocol (ICMP)\" class=\"wp-image-3878\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99.jpg 1408w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99-300x164.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99-1024x559.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99-768x419.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c5b56e5ec5a24776b524bd96c7560b99-18x10.jpg 18w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud560 \ub54c \ub4a4\uc5d0\uc11c \uc5b4\ub5a4 \uc77c\uc774 \uc77c\uc5b4\ub098\ub294\uc9c0 \uad81\uae08\ud574\ubcf8 \uc801\uc774 \uc788\uc2b5\ub2c8\uae4c? <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">ping<\/mark> \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud558\uac70\ub098 \u201c\ub300\uc0c1\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc5c6\uc74c\u201d \uc624\ub958\ub97c \ubc1b\uc744 \ub54c \ub9d0\uc785\ub2c8\ub2e4. \uadf8 \ud574\ub2f5\uc740 \uc778\ud130\ub137\uc744 \uc6d0\ud65c\ud558\uac8c \uc791\ub3d9\uc2dc\ud0a4\ub294 \uadfc\ubcf8\uc801\uc774\uc9c0\ub9cc \uc885\uc885 \uac04\uacfc\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c, \uc989 <strong>\uc778\ud130\ub137 \uc81c\uc5b4 \uba54\uc2dc\uc9c0 \ud504\ub85c\ud1a0\ucf5c(ICMP)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. HTTP\ub098 TCP\uc640 \uac19\uc740 \ud504\ub85c\ud1a0\ucf5c\uc740 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \uc704\ud574 \uc8fc\ubaa9\ubc1b\ub294 \ubc18\uba74, ICMP\ub294 \uc778\ud130\ub137\uc758 \uc9c4\ub2e8 \ubc0f \uc81c\uc5b4 \uba54\uc2e0\uc800\ub85c\uc11c \ub4b7\uba74\uc5d0\uc11c \uc26c\uc9c0 \uc54a\uace0 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774 \ud3ec\uad04\uc801\uc778 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/tcp-ip-model-network-communication-layers-and-data-exchange\/\"><strong>TCP\uc640 \uac19\uc740 \uc774\ub354\ub137 \uae30\uc220\uc740 \uc0c1\ub2f9\ud788 \uac1c\uc120\ub418\uc5c8\uc73c\ub098, \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c\ub294 \ud63c\ud569 \ud2b8\ub798\ud53d\uc744 \ucc98\ub9ac\ud558\ubbc0\ub85c \ud63c\uc7a1 \ubc0f \uc9c0\uc5f0 \uc2dc\uac04 \ubcc0\ub3d9\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong><\/a> ICMP\uac00 \ubb34\uc5c7\uc778\uc9c0, <strong>ICMP\ub780 \ubb34\uc5c7\uc778\uac00<\/strong>, \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc65c \ub124\ud2b8\uc6cc\ud06c \uac74\uac15\uc744 \uc704\ud574 \ud544\uc218\uc801\uc778\uc9c0\ub97c \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uace0\uc131\ub2a5 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a>, \ud558\ub4dc\uc6e8\uc5b4(\uc608: \uc2a4\uc704\uce58)\uc640 \uac19\uc740 \ubb3c\ub9ac\uc801 \uc7a5\uce58\uac00 \uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\uc758 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc5bc\ub9c8\ub098 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294\uc9c0\ub3c4 \ud0d0\uad6c\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \ud575\uc2ec \uc694\uc57d<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>ICMP<\/strong> \ub294 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc870\uae30\uc5d0 \ubc1c\uacac\ud558\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc624\ub958 \ubc0f \uc5f0\uacb0 \ubb38\uc81c\uc5d0 \uad00\ud55c \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>ping \ubc0f traceroute\uc640 \uac19\uc740 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c\ub97c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub3c4\uad6c\ub294 ICMP\ub97c \ud65c\uc6a9\ud574 \uae30\uae30\uc758 \uc628\ub77c\uc778 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uace0, \ub370\uc774\ud130\uac00 \uc774\ub3d9\ud558\ub294 \uacbd\ub85c\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>ICMP\ub294 \uc911\uc694\ud55c \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130\uac00 \ub300\uc0c1\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0 \u2018\ub300\uc0c1\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc5c6\uc74c\u2019 \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>ICMP \uad00\ub828 \ubcf4\uc548 \uc704\ud5d8\uc5d0 \uc720\uc758\ud558\uc138\uc694. \uacf5\uaca9\uc790\ub4e4\uc740 DDoS \uacf5\uaca9 \ub4f1\uc5d0 ICMP\ub97c \uc545\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\ub97c \uc548\uc804\ud558\uac8c \uc720\uc9c0\ud558\ub824\uba74 \ubd88\ud544\uc694\ud55c ICMP \ud2b8\ub798\ud53d\uc744 \uc81c\ud55c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>ICMP\ub294 \uc77c\ubc18 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac \ubc0f \ubb38\uc81c \ud574\uacb0\uc744 \uc704\ud574 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f ICMP\ub780 \ubb34\uc5c7\uc778\uac00?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ICMP<\/strong> ICMP\ub294 \ub77c\uc6b0\ud130, \uc2a4\uc704\uce58, \uc11c\ubc84\uc640 \uac19\uc740 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\ub4e4\uc774 \uc6b4\uc601 \uc815\ubcf4 \ubc0f \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \uad50\ud658\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uac83\uc774 \uc544\ub2c8\ub77c \ub124\ud2b8\uc6cc\ud06c \uc790\uccb4\uc758 \uc0c1\ud0dc\ub97c \ubcf4\uace0\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub807\uac8c \uc0dd\uac01\ud574 \ubcf4\uc138\uc694. \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uc6b0\ud3b8 \uc11c\ube44\uc2a4\ub97c \ud1b5\ud574 \uc804\ub2ec\ub418\ub294 \ud3b8\uc9c0\ub098 \uc18c\ud3ec\ub77c\uba74, ICMP\ub294 \ubc30\uc1a1 \uc54c\ub9bc, \u201c\ubc1c\uc2e0\uc790\uc5d0\uac8c \ubc18\uc1a1\u201d \uc2ac\ub9bd, \u201c\uc8fc\uc18c\ub97c \ucc3e\uc744 \uc218 \uc5c6\uc74c\u201d \uba54\ubaa8 \ub4f1\uc73c\ub85c \uc6b0\ud3b8 \uc2dc\uc2a4\ud15c\uc758 \ud6a8\uc728\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5b5\ud574\uc57c \ud560 \ud575\uc2ec \uc0ac\ud56d: ICMP\ub294 \ubcf4\uc870 \ud504\ub85c\ud1a0\ucf5c\ub85c, \uc8fc\ub85c \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\uc640 <strong>\uace0\uae09 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c \ud574\uacb0 \ub3c4\uad6c<\/strong> \uac00 \uc5f0\uacb0\uc131 \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f ICMP\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098\uc694? \ud575\uc2ec \uba54\ucee4\ub2c8\uc998<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ICMP<\/strong> ICMP\ub294 \ud2b9\uc218\ud55c \uba54\uc2dc\uc9c0\uc778 ICMP \ud328\ud0b7 \ub610\ub294 \ub370\uc774\ud130\uadf8\ub7a8\uc744 \uc804\uc1a1\ud568\uc73c\ub85c\uc368 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\ub294 IP \ud328\ud0b7 \ub0b4\uc5d0 \ucea1\uc290\ud654\ub418\uc9c0\ub9cc, \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c(IP) \uc2a4\uc704\ud2b8\uc758 \uc77c\ubd80\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/tcp-ip-model-network-communication-layers-and-data-exchange\/\"><strong>(TCP\/IP)<\/strong><\/a>. ICMP \uba54\uc2dc\uc9c0\ub294 IP \ud328\ud0b7 \ub0b4\uc5d0\uc11c \uc804\ub2ec\ub418\ubbc0\ub85c \uc5f0\uacb0 \uc5c6\uc774 \uc791\ub3d9\ud558\uba70, ICMP \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud558\uae30 \uc704\ud574 \uc0ac\uc804\uc5d0 \uc5f0\uacb0\uc744 \uc124\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc77c\ubc18\uc801\uc778 ICMP \uba54\uc2dc\uc9c0 \uc720\ud615\uc740 <em>\uc694\uccad<\/em> \ubc0f <em>\uc751\ub2f5<\/em>. \uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790\uac00 <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">ping<\/mark> \uc6f9\uc0ac\uc774\ud2b8\uc5d0 \uc811\uc18d\ud560 \ub54c, \uc0ac\uc6a9\uc790\uc758 \ucef4\ud4e8\ud130\ub294 ICMP \uc5d0\ucf54 \uc694\uccad(Echo Request)\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4. \ub300\uc0c1 \ud638\uc2a4\ud2b8\uac00 \uac00\uc6a9\ud558\uace0 \uc751\ub2f5\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0, ICMP \uc5d0\ucf54 \uc751\ub2f5(Echo Reply)\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. \uc774 \uac04\ub2e8\ud55c \uad50\ud658\uc740 \ub3c4\ub2ec \uac00\ub2a5\uc131 \ud655\uc778 \ubc0f \uc655\ubcf5 \uc2dc\uac04(RTT) \uce21\uc815\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336.webp\" alt=\"Internet Control Message Protocol\" class=\"wp-image-3879\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cc6501500c2b43fba6ecc64e6ac54336-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \uc77c\ubc18\uc801\uc778 ICMP \uba54\uc2dc\uc9c0 \uc720\ud615\uacfc \uadf8 \uc5ed\ud560<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ICMP<\/strong> ICMP\ub294 \uac01\uac01 \ud2b9\uc815 \ucf54\ub4dc\ub97c \uac16\ub294 \ub2e4\uc591\ud55c \uba54\uc2dc\uc9c0 \uc720\ud615\uc744 \uc81c\uacf5\ud558\uc5ec \uc0c1\uc138\ud55c \uc815\ubcf4\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \ub2e4\uc74c \ud45c\ub294 \uac00\uc7a5 \uc911\uc694\ud55c ICMP \uba54\uc2dc\uc9c0 \uc720\ud615\uc744 \uc694\uc57d\ud55c \uac83\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>ICMP \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc774\ub984<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>0<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d0\ucf54 \uc751\ub2f5(Echo Reply)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud551(Ping) \uc694\uccad(\uc5d0\ucf54 \uc694\uccad)\uc5d0 \ub300\ud55c \uc751\ub2f5\uc785\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>8<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d0\ucf54 \uc694\uccad(Echo Request)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud638\uc2a4\ud2b8 \ub3c4\ub2ec \uac00\ub2a5\uc131 \uac80\uc0ac\ub97c \uc704\ud574 <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">ping<\/mark> \uba85\ub839\uc5b4\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>3<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubaa9\uc801\uc9c0 \ubd88\uac00\ub2a5(Destination Unreachable)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud328\ud0b7 \uc804\ub2ec \uc2e4\ud328\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc778 \uc6d0\uc778(\uc608: \ub124\ud2b8\uc6cc\ud06c\/\ud638\uc2a4\ud2b8\/\ud504\ub85c\ud1a0\ucf5c \ubd88\uac00\ub2a5)\uc744 \uc704\ud55c \ucf54\ub4dc\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>11<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2dc\uac04 \ucd08\uacfc(Time Exceeded)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud328\ud0b7\uc758 TTL(Time to Live) \uac12\uc774 0\uc5d0 \ub3c4\ub2ec\ud588\uc744 \ub54c \uc804\uc1a1\ub429\ub2c8\ub2e4. <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">\ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(traceroute)<\/mark> \uba85\ub839\uc5b4\uc5d0\uc11c \ud575\uc2ec\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub9ac\ub2e4\uc774\ub809\ud2b8(Redirect)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b9\uc815 \ubaa9\uc801\uc9c0\uc5d0 \ub300\ud574 \ud638\uc2a4\ud2b8\uac00 \ub354 \uc801\uc808\ud55c \uac8c\uc774\ud2b8\uc6e8\uc774\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \uc9c0\uc2dc\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc18c\uc2a4 \ucf58\uce58(Source Quench)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>(\ub300\ubd80\ubd84 \ud3d0\uae30\ub428) \uc1a1\uc2e0\uc790\uc5d0\uac8c \uc804\uc1a1 \uc18d\ub3c4\ub97c \ub2a6\ucd94\ub3c4\ub85d \uc694\uccad\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\ub4e4\uc740 \ud544\uc218 \ub124\ud2b8\uc6cc\ud06c \uc9c4\ub2e8 \uae30\ub2a5\uc758 \ud575\uc2ec\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc800\uc9c0\uc5f0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \ub124\ud2b8\uc6cc\ud06c \uacbd\ub85c \ucd5c\uc801\ud654 \uc2dc \uc5d4\uc9c0\ub2c8\uc5b4\ub294 <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">\ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(traceroute)<\/mark> (\uc720\ud615 11 \uba54\uc2dc\uc9c0\ub97c \uc0ac\uc6a9) \uac19\uc740 \ub3c4\uad6c\ub97c \ud65c\uc6a9\ud574 \ubcd1\ubaa9 \uc9c0\uc810\uc744 \uc2dd\ubcc4\ud558\uace0, \ubca4\ub354(\uc608: <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>)\uc5d0\uc11c \uacf5\uae09\ud55c \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\ub97c \ud3ec\ud568\ud55c \uc778\ud504\ub77c \uc804\ubc18\uc758 \ucd5c\uc801 \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \uc2e4\uc804\uc5d0\uc11c\uc758 ICMP: \ud551(Ping)\uacfc \ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(Traceroute)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ICMP\ub97c \uae30\ubc18\uc73c\ub85c \ub3d9\uc791\ud558\ub294 \ub450 \uac00\uc9c0 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc720\ud2f8\ub9ac\ud2f0\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ud551(Ping):<\/strong> \uc774\ub294 \uac00\uc7a5 \uac04\ub2e8\ud55c \ub124\ud2b8\uc6cc\ud06c \uc9c4\ub2e8 \ub3c4\uad6c\uc785\ub2c8\ub2e4. ICMP \uc5d0\ucf54 \uc694\uccad(Echo Request, \uc720\ud615 8) \ubc0f \uc5d0\ucf54 \uc751\ub2f5(Echo Reply, \uc720\ud615 0) \uba54\uc2dc\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc6d0\uaca9 \ud638\uc2a4\ud2b8\uac00 \uc791\ub3d9 \uc911\uc778\uc9c0 \ud14c\uc2a4\ud2b8\ud558\uace0 \ub450 \uc9c0\uc810 \uac04 \uc9c0\uc5f0 \uc2dc\uac04(\uc751\ub2f5 \uc2dc\uac04)\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uc131\uacf5\uc801\uc778 \ud551(ping)\uc740 \uac74\uac15\ud55c \uc5f0\uacb0\uc758 \uccab \ubc88\uc9f8 \uc9d5\ud6c4\uc785\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(Windows\uc5d0\uc11c\ub294 Tracert):<\/strong> \uc774 \uc601\ub9ac\ud55c \uc720\ud2f8\ub9ac\ud2f0\ub294 \ud328\ud0b7\uc774 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc704\ud574 \uac70\uce58\ub294 \uacbd\ub85c\ub97c \ub9e4\ud551\ud569\ub2c8\ub2e4. \uc810\ucc28 \uc99d\uac00\ud558\ub294 TTL \uac12\uc744 \uac00\uc9c4 \ud328\ud0b7\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4. \uacbd\ub85c \uc0c1\uc758 \uac01 \ub77c\uc6b0\ud130\ub294 TTL \uac12\uc744 \uac10\uc18c\uc2dc\ud0a4\uba70, TTL \uac12\uc774 0\uc774 \ub418\uba74 \ucd9c\ucc98\ub85c ICMP \uc2dc\uac04 \ucd08\uacfc(Time Exceeded, \uc720\ud615 11) \uba54\uc2dc\uc9c0\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac01 \ud649(hop)\uc5d0\uc11c \uc218\uc2e0\ub41c \uba54\uc2dc\uc9c0\ub97c \uc218\uc9d1\ud568\uc73c\ub85c\uc368, <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">\ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(traceroute)<\/mark> \uacbd\ub85c\uc758 \uc2dc\uac01\uc801 \ub9f5\uc744 \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ub3c4\uad6c\ub4e4\uc744 \uc5b4\ub5bb\uac8c \uc0ac\uc6a9\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\ub97c \uad00\ub9ac\ud558\uace0 <strong>\ub124\ud2b8\uc6cc\ud06c \uc9c0\uc5f0 \ubb38\uc81c\uc5d0 \ub300\ud55c \ud6a8\uacfc\uc801\uc778 \ud574\uacb0\ucc45\uc744 \ubaa8\uc0c9\ud558\ub294 \ubaa8\ub4e0 \uc0ac\ub78c\uc5d0\uac8c \ud544\uc218\uc801\uc778 \uae30\uc220\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \uc5b4\ub450\uc6b4 \uba74: ICMP\uc640 \ubcf4\uc548<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9e4\uc6b0 \uc720\uc6a9\ud558\uc9c0\ub9cc, <strong>ICMP<\/strong> \uc545\uc758\uc801\uc778 \ubaa9\uc801\uc73c\ub85c \uc545\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uacf5\uaca9 \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>ICMP \ud50c\ub7ec\ub4dc(Ping \ud50c\ub7ec\ub4dc):<\/strong> \uacf5\uaca9\uc790\uac00 \ub300\uc0c1 \uc2dc\uc2a4\ud15c\uc744 \uacfc\ub3c4\ud55c ICMP \uc5d0\ucf54 \uc694\uccad \ud328\ud0b7\uc73c\ub85c \uc555\ub3c4\ud558\ub294 \uc11c\ube44\uc2a4 \uac70\ubd80(DoS) \uacf5\uaca9\uc758 \uc77c\uc885\uc785\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc2a4\uba38\ud504 \uacf5\uaca9(Smurf Attack):<\/strong> \uacf5\uaca9\uc790\uac00 \ucd9c\ucc98 IP \uc8fc\uc18c\ub97c \uc704\uc870\ud558\uace0 \ube0c\ub85c\ub4dc\uce90\uc2a4\ud2b8 \ud551\uc744 \ubcf4\ub0b4\ub294 \uc99d\ud3ed \uacf5\uaca9\uc73c\ub85c, \ub124\ud2b8\uc6cc\ud06c\uc758 \ubaa8\ub4e0 \ud638\uc2a4\ud2b8\uac00 \ud53c\ud574\uc790\uc5d0\uac8c \uc751\ub2f5\ud558\uc5ec \ud2b8\ub798\ud53d\uc73c\ub85c \ud53c\ud574\uc790\ub97c \uacfc\ubd80\ud558 \uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc704\ud5d8\uc131 \ub54c\ubb38\uc5d0 \ub9ce\uc740 \uae30\uc5c5\uc6a9 \ubc29\ud654\ubcbd\uc740 \ud2b9\uc815 \uc720\ud615\uc758 ICMP \ud2b8\ub798\ud53d\uc744 \ucc28\ub2e8\ud558\ub3c4\ub85d \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubaa8\ub4e0 ICMP\ub97c \ucc28\ub2e8\ud558\uba74 \uc720\uc6a9\ud55c \ub124\ud2b8\uc6cc\ud06c \uae30\ub2a5\uc774 \u201c\uc190\uc0c1\u201d\ub418\uc5b4 \uc815\uc0c1\uc801\uc778 <strong>\ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5 \ubaa8\ub2c8\ud130\ub9c1<\/strong> \uc774 \ub354 \uc5b4\ub824\uc6cc\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uade0\ud615 \uc7a1\ud78c \ubcf4\uc548 \uc811\uadfc \ubc29\uc2dd\uc774 \ud575\uc2ec\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p style=\"margin: 0px;\"><strong>\ud83d\udca1 \uc804\ubb38\uac00 \ud301:<\/strong> \ubaa8\ub4e0 ICMP\ub97c \ucc28\ub2e8\ud558\ub294 \ub300\uc2e0, \ub124\ud2b8\uc6cc\ud06c \uc678\uc5f0\uc5d0\uc11c ICMP \ud2b8\ub798\ud53d\uc744 \uc18d\ub3c4 \uc81c\ud55c\ud558\uc5ec \ud50c\ub7ec\ub4dc \uacf5\uaca9\uc744 \uc644\ud654\ud558\uba74\uc11c\ub3c4 \uc9c4\ub2e8 \uae30\ub2a5\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc744 \uace0\ub824\ud574 \ubcf4\uc138\uc694.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \ubb35\ubb35\ud788 \ube5b\ub098\ub294 \uc601\uc6c5: \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 ICMP\ub97c \uac00\ub2a5\ud558\uac8c \ud558\ub294 \ubc29\uc2dd<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad81\uae08\ud558\uc2e4 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4: \ubb3c\ub9ac\uc801 \ud558\ub4dc\uc6e8\uc5b4\uac00 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uacfc \ubb34\uc2a8 \uad00\ub828\uc774 \uc788\uc744\uae4c\uc694? \uadf8 \ub2f5\uc740 \ubc14\ub85c: \ubaa8\ub4e0 \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. ICMP \uba54\uc2dc\uc9c0\ub294 \ub2e4\ub978 \ubaa8\ub4e0 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\"><strong>\uad11\uc12c\uc720 \ucf00\uc774\ube14<\/strong><\/a>. \uc804\uae30 \uc2e0\ud638(\ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\uc5d0\uc11c \uc0dd\uc131\ub428)\ub97c \uad11 \uc2e0\ud638(\uad11\uc12c\uc720\uc6a9)\ub85c \ubcc0\ud658\ud558\uace0 \ub2e4\uc2dc \ub418\ub3cc\ub9ac\ub294 \uc7a5\uce58\ub97c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc758 \uc131\ub2a5\uacfc \uc2e0\ub8b0\uc131\uc740 ICMP\ub97c \ud3ec\ud568\ud55c \ubaa8\ub4e0 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc758 \ubb34\uacb0\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uacb0\ud568\uc774 \uc788\uac70\ub098 \ud488\uc9c8\uc774 \ub0ae\uc740 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \uc624\ub958, \ud328\ud0b7 \uc190\uc2e4, \uc9c0\uc5f0 \uc99d\uac00\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uadc0\ud558\uc758 <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">ping<\/mark> \ubc0f <mark data-color=\"var(--qc-color2)\" style=\"background-color: var(--qc-color2); color: inherit;\">\ud2b8\ub808\uc774\uc11c\ub77c\uc6b0\ud2b8(traceroute)<\/mark> \uacb0\uacfc\ub97c \uc9c1\uc811 \uc65c\uace1\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c4\ud0c4\ud55c \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\ub97c \uad6c\ucd95\ud558\ub824\uba74 \uace0\ud488\uc9c8\uc774\uba70 \ud638\ud658 \uac00\ub2a5\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc0ac\uc6a9\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>100G QSFP28 LR4<\/strong><\/a> \uad11\ud559 \ubaa8\ub4c8\uc740 \uace0\uc18d <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>\ub370\uc774\ud130\uc13c\ud130 \uc0c1\ud638 \uc5f0\uacb0<\/strong><\/a>, \uc5d0 \ud0c1\uc6d4\ud55c \uc120\ud0dd\uc73c\ub85c, \ud0c1\uc6d4\ud55c \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \ucd5c\ub300 10km\uae4c\uc9c0 \uc804\uc1a1 \uac70\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad6c\uc131 \uc694\uc18c\uc778 <strong>LINK-PP \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong>, \ub97c \uae30\ubc18\uc73c\ub85c \ubb3c\ub9ac \uacc4\uce35\uc744 \uad6c\ucd95\ud568\uc73c\ub85c\uc368, ICMP\uc640 \uac19\uc740 \uc9c4\ub2e8 \ud504\ub85c\ud1a0\ucf5c\uc774 \uc815\ud655\ud558\uac8c \uc791\ub3d9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc0c1\ud0dc\uc5d0 \ub300\ud55c \uc9c4\uc815\ud55c \uadf8\ub9bc\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \uacb0\ub860: ICMP\ub294 \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uc874\uc7ac\uc785\ub2c8\ub2e4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ICMP<\/strong> \ub294 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \uc870\uc6a9\ud788, \ud56d\uc0c1 \uc9c0\ucf1c\ubcf4\ub294 \uc218\ud638\uc790\uc785\ub2c8\ub2e4. \ub2e8\uc21c\ud55c \uc5f0\uacb0\uc131 \uc810\uac80\ubd80\ud130 \ubcf5\uc7a1\ud55c \uacbd\ub85c \ud0d0\uc0c9\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0, \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc720\uc9c0 \ubc0f \ubb38\uc81c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ud575\uc2ec \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubcf4\uc548 \uace0\ub824 \uc0ac\ud56d\uc774 \uc911\uc694\ud558\uc9c0\ub9cc, <strong>\ud0c4\ud0c4\ud55c \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac \ubc0f \uc9c4\ub2e8<\/strong> \uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uadf8 \uac00\uce58\ub294 \uc544\ubb34\ub9ac \uac15\uc870\ud574\ub3c4 \uc9c0\ub098\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ICMP\ub97c \uc774\ud574\ud558\uace0, \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ud3ec\ud568\ud55c \uace0\uc131\ub2a5 \ubb3c\ub9ac\uc801 \ub124\ud2b8\uc6cc\ud06c \uae30\ubc18\uacfc \uacb0\ud569\ud568\uc73c\ub85c\uc368, \ub354 \ube60\ub974\uace0, \ub354 \ud0c4\ub825\uc801\uc774\uba70, \ub354 \ud6a8\uc728\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\ucd95\u00b7\uad00\ub9ac\u00b7\ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2699\ufe0f \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >ICMP\uc758 \uc8fc\uc694 \ubaa9\uc801\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ICMP\ub294 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \ucc3e\uc544\ubcf4\uace0 \ubcf4\uace0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \uc218\uc2e0\ud558\uac70\ub098 \uc7a5\uce58 \uac04 \ud1b5\uc2e0 \uc5ec\ubd80\ub97c \ud14c\uc2a4\ud2b8\ud560 \ub54c \uc774\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >ICMP\ub294 \uc5b4\ub5a4 \uc720\ud615\uc758 \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ICMP\ub294 \uc624\ub958 \uba54\uc2dc\uc9c0\uc640 \uc815\ubcf4 \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud560 \ub54c \u201c\ub3c4\ucc29\uc9c0 \ubd88\uac00\ub2a5(Destination Unreachable)\u201d, \u201c\uc2dc\uac04 \ucd08\uacfc(Time Exceeded)\u201d, \u201c\uc5d0\ucf54 \uc751\ub2f5(Echo Reply)\u201d\uacfc \uac19\uc740 \uba54\uc2dc\uc9c0\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub124\ud2b8\uc6cc\ud06c \ud14c\uc2a4\ud2b8\uc5d0 ICMP\ub97c \uc0ac\uc6a9\ud558\ub294 \ub3c4\uad6c\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ping \ubc0f traceroute\uc640 \uac19\uc740 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. ping\uc740 \uc7a5\uce58\uac00 \uc628\ub77c\uc778\uc778\uc9c0 \ud655\uc778\ud558\uace0, traceroute\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\ub294 \uacbd\ub85c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >ICMP \ud2b8\ub798\ud53d\uc744 \ud5c8\uc6a9\ud560 \ub54c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc704\ud5d8\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uaca9\uc790\ub294 DDoS \uacf5\uaca9\uc774\ub098 \ub370\uc774\ud130 \uc740\ub2c9\uc744 \uc704\ud574 ICMP\ub97c \uc545\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubd88\ud544\uc694\ud55c ICMP \uc720\ud615\uc744 \ucc28\ub2e8\ud558\uace0 \uc774\uc0c1\ud55c \ud2b8\ub798\ud53d\uc744 \uac10\uc2dc\ud568\uc73c\ub85c\uc368 \uc704\ud5d8\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc778\ud130\ub137 \uc81c\uc5b4 \uba54\uc2dc\uc9c0 \ud504\ub85c\ud1a0\ucf5c(ICMP)\uc740 \uc2e0\ub8b0\uc131 \uc788\ub294 \ud1b5\uc2e0\uc744 \uc704\ud574 \uc7a5\uce58 \uac04\uc5d0 \uc624\ub958 \ubc0f \uc0c1\ud0dc \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud568\uc73c\ub85c\uc368 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":3878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[24,26],"class_list":["post-3880","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=3880"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3880\/revisions"}],"predecessor-version":[{"id":11335,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3880\/revisions\/11335"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/3878"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=3880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=3880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=3880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}