{"id":112,"date":"2025-02-10T21:19:00","date_gmt":"2025-02-10T12:19:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=112"},"modified":"2025-10-09T10:16:33","modified_gmt":"2025-10-09T01:16:33","slug":"10-arp%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%81%a8arp%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=112","title":{"rendered":"ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d6\u30eb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d6\u30eb<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><span class=\"swl-marker mark_yellow\">ARP\u30ad\u30e3\u30c3\u30b7\u30e5<\/span><\/strong>\uff1a\u4e00\u5ea6\u8abf\u3079\u305f\u300cIP\u30a2\u30c9\u30ec\u30b9 \u2194 MAC\u30a2\u30c9\u30ec\u30b9\u300d\u306e\u5bfe\u5fdc\u3092\u3001\u4e00\u5b9a\u6642\u9593\u3060\u3051\u4fdd\u5b58\u3057\u3066\u304a\u304f\u4ed5\u7d44\u307f\u3002<\/li>\n\n\n\n<li><strong><span class=\"swl-marker mark_yellow\">ARP\u30c6\u30fc\u30d6\u30eb<\/span><\/strong>\uff1aARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8a18\u9332\u3057\u3066\u3044\u308b\u4e00\u89a7\u8868\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PC\u3067\u306f <code>arp -a<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u53ef\u80fd\u3002<\/li>\n\n\n\n<li>\u52d5\u7684\u306b\u5f97\u3089\u308c\u305f\u60c5\u5831\u306f\u4e00\u5b9a\u6642\u9593\u3067\u6d88\u3048\u308b\uff08\u4e0d\u8981\u306b\u306a\u3063\u305f\u3089\u81ea\u52d5\u3067\u524a\u9664\uff09\u3002<\/li>\n\n\n\n<li>\u624b\u52d5\u3067\u767b\u9332\u3057\u305f\u60c5\u5831\u306f\u300cstatic\u300d\u3068\u3057\u3066\u6b8b\u308b\uff08\u6d88\u3048\u306a\u3044\uff09\u3002<\/li>\n\n\n\n<li>\u4eca\u3059\u3050\u524a\u9664\u3057\u305f\u3044\u5834\u5408\u306f <code>arp -d<\/code> \u3092\u5b9f\u884c\u3002<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image is-style-border\">\n<figure class=\"alignleft size-full is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ChatGPT-Image-2025\u5e7410\u67083\u65e5-15_00_24.png\" alt=\"\" class=\"wp-image-470\" style=\"width:478px;height:auto\" srcset=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ChatGPT-Image-2025\u5e7410\u67083\u65e5-15_00_24.png 1024w, https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ChatGPT-Image-2025\u5e7410\u67083\u65e5-15_00_24-300x300.png 300w, https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ChatGPT-Image-2025\u5e7410\u67083\u65e5-15_00_24-150x150.png 150w, https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ChatGPT-Image-2025\u5e7410\u67083\u65e5-15_00_24-768x768.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Windows\u306e\u5834\u5408<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>arp -a<\/code> \u306e\u7d50\u679c\u306b\u306f\u4ee5\u4e0b\u306e\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u308b\n<ul class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\uff1a\u81ea\u5206\u306eIP\u30a2\u30c9\u30ec\u30b9<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30c9\u30ec\u30b9<\/strong>\uff1a\u901a\u4fe1\u76f8\u624b\u306eIP<\/li>\n\n\n\n<li><strong>\u7269\u7406\u30a2\u30c9\u30ec\u30b9<\/strong>\uff1a\u76f8\u624b\u306eMAC<\/li>\n\n\n\n<li><strong>\u7a2e\u985e<\/strong>\uff1a\u300cdynamic\u300d\u304b\u300cstatic\u300d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Cisco\u30eb\u30fc\u30bf\u306e\u5834\u5408<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>show ip arp<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3002<\/li>\n\n\n\n<li>\u81ea\u5206\u81ea\u8eab\u306eIP\u3068MAC\u3082\u30c6\u30fc\u30d6\u30eb\u306b\u8f09\u308b\u304c\u3001\u300cAge\u300d\u6b04\u306f\u300c-\u300d\u3067\u3001\u6d88\u3048\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f <strong>240\u5206\uff084\u6642\u9593\uff09<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ARP\u30d1\u30b1\u30c3\u30c8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ARP\u306f\u3001<strong>IP\u3068\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>\u3060\u304c\u3001\u901a\u4fe1\u6642\u306b\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30ec\u30fc\u30e0\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u308b\u3002<br>\u4ee5\u4e0b\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u69cb\u6210\u3055\u308c\u308b\uff08\u6697\u8a18\u3088\u308a\u3082\u6d41\u308c\u306e\u7406\u89e3\u304c\u91cd\u8981\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9<\/th><th>\u82f1\u8a9e\u8868\u8a18<\/th><th>\u30d3\u30c3\u30c8\u6570<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30bf\u30a4\u30d7<\/td><td>Hardware Type<\/td><td>16bit<\/td><td>\u30cf\u30fc\u30c9\u306e\u7a2e\u985e\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306a\u3089\u300c0x0001\u300d<\/td><\/tr><tr><td>\u30d7\u30ed\u30c8\u30b3\u30eb\u30bf\u30a4\u30d7<\/td><td>Protocol Type<\/td><td>16bit<\/td><td>\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e\u3002IP\u306a\u3089\u300c0x0800\u300d<\/td><\/tr><tr><td>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9\u9577<\/td><td>Hardware Length<\/td><td>8bit<\/td><td>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u9577\u3055\uff08\u56fa\u5b9a\u30676\uff09<\/td><\/tr><tr><td>\u30d7\u30ed\u30c8\u30b3\u30eb\u30a2\u30c9\u30ec\u30b9\u9577<\/td><td>Protocol Length<\/td><td>8bit<\/td><td>IP\u30a2\u30c9\u30ec\u30b9\u306e\u9577\u3055\uff08\u56fa\u5b9a\u30674\uff09<\/td><\/tr><tr><td>\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3<\/td><td>Operation<\/td><td>16bit<\/td><td>\u30ea\u30af\u30a8\u30b9\u30c8\u300c0x0001\u300d \/ \u30ea\u30d7\u30e9\u30a4\u300c0x0002\u300d<\/td><\/tr><tr><td>\u9001\u4fe1\u5143MAC<\/td><td>Sender MAC<\/td><td>48bit<\/td><td>\u767a\u4fe1\u5143\u306eMAC\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><tr><td>\u9001\u4fe1\u5143IP<\/td><td>Sender IP<\/td><td>32bit<\/td><td>\u767a\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><tr><td>\u5b9b\u5148MAC<\/td><td>Target MAC<\/td><td>48bit<\/td><td>\u5b9b\u5148\u306eMAC\u30a2\u30c9\u30ec\u30b9\uff08\u4e0d\u660e\u306a\u5834\u5408\u306f\u300c00-00-00-00-00-00\u300d\uff09<\/td><\/tr><tr><td>\u5b9b\u5148IP<\/td><td>Target IP<\/td><td>32bit<\/td><td>\u5b9b\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\u521d\u5fc3\u8005\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ARP\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>\uff1a\u5b9b\u5148MAC\u306f\u7a7a\u6b04\uff0800\u202600\uff09\u3002<\/li>\n\n\n\n<li><strong>ARP\u30ea\u30d7\u30e9\u30a4<\/strong>\uff1a\u5b9b\u5148MAC\u306b\u5024\u304c\u5165\u308a\u3001\u76f8\u624b\u306b\u76f4\u63a5\u8fd4\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d6\u30eb.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d5\u3099\u30eb\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-e48cc4c2-f477-4900-84ee-4893d2efbac6\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d6\u30eb.pdf\">ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d5\u3099\u30eb<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3068ARP\u30c6\u30fc\u30d6\u30eb \ud83d\udca1 \u30dd\u30a4\u30f3\u30c8 Windows\u306e\u5834\u5408 Cisco\u30eb\u30fc\u30bf\u306e\u5834\u5408 ARP\u30d1\u30b1\u30c3\u30c8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8 ARP\u306f\u3001IP\u3068\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3060\u304c\u3001\u901a\u4fe1\u6642\u306b\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30ec\u30fc\u30e0\u306b\u30ab\u30d7\u30bb\u30eb\u5316\u3055 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-112","post","type-post","status-publish","format-standard","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=112"}],"version-history":[{"count":5,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/112\/revisions"}],"predecessor-version":[{"id":590,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/112\/revisions\/590"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}