{"id":3662,"date":"2025-03-01T13:20:38","date_gmt":"2025-03-01T04:20:38","guid":{"rendered":"https:\/\/blue-bear.jp\/kb\/?p=3662"},"modified":"2025-03-01T13:20:39","modified_gmt":"2025-03-01T04:20:39","slug":"aws-network-load-balancer-nlb-%e3%81%aeip%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blue-bear.jp\/kb\/aws-network-load-balancer-nlb-%e3%81%aeip%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"AWS Network Load Balancer (NLB) \u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n

AWS\u306eNetwork Load Balancer (NLB) \u306f\u9ad8\u3044\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3068\u4f4e\u9045\u5ef6\u3092\u5b9f\u73fe\u3059\u308b\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3067\u3059\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u52d5\u7684\u306b\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306b\u56f0\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001NLB\u306e\u5185\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3084\u3001\u9759\u7684IP\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

NLB\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u52d5\u7684<\/h2>\n\n\n\n

NLB \u306f\u901a\u5e38\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066 DNS\u540d<\/strong> \u3092\u4f7f\u7528\u3057\u3001\u80cc\u5f8c\u3067\u306f \u52d5\u7684\u306aIP\u30a2\u30c9\u30ec\u30b9<\/strong> \u3092\u5272\u308a\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u6642\u9593\u304c\u7d4c\u3064\u3068\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u305f\u3060\u3057\u3001AWS\u3067\u306f\u7279\u5b9a\u306e\u30a2\u30d9\u30a4\u30e9\u30d3\u30ea\u30c6\u30a3\u30be\u30fc\u30f3 (AZ) \u306b Elastic IP (EIP) \u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u3067 \u9759\u7684IP\u3092\u4f7f\u7528\u3059\u308b\u8a2d\u5b9a<\/strong> \u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

NLB\u306e\u73fe\u5728\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n

1. AWS CLI\u3067\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u60c5\u5831\u3092\u53d6\u5f97<\/h3>\n\n\n\n

\u307e\u305a\u3001NLB\u306e\u8a73\u7d30\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001AWS CLI \u3092\u4f7f\u3063\u3066 describe-load-balancers<\/code> \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

aws elbv2 describe-load-balancers --query \"LoadBalancers[*].[LoadBalancerName, DNSName, AvailabilityZones]\"\n<\/code><\/pre>\n\n\n\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001NLB\u306e\u540d\u524d\u3001DNS\u540d\u3001\u95a2\u9023\u3059\u308b\u30a2\u30d9\u30a4\u30e9\u30d3\u30ea\u30c6\u30a3\u30be\u30fc\u30f3\u306e\u60c5\u5831\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u76f4\u63a5IP\u30a2\u30c9\u30ec\u30b9\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
2. DNS\u540d\u3092\u4f7f\u3063\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d<\/h3>\n\n\n\n
NLB\u306eDNS\u540d\u3092\u53d6\u5f97\u3057\u305f\u3089\u3001dig<\/code> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
dig <NLB\u306eDNS\u540d>\n<\/code><\/pre>\n\n\n\n
\u307e\u305f\u306f\u3001nslookup<\/code> \u3092\u4f7f\u3063\u3066\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
nslookup <NLB\u306eDNS\u540d>\n<\/code><\/pre>\n\n\n\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u305d\u306e\u6642\u70b9\u3067\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6642\u9593\u304c\u7d4c\u3064\u3068\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5b9a\u671f\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
3. \u30bf\u30fc\u30b2\u30c3\u30c8\u30b0\u30eb\u30fc\u30d7\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u5229\u7528<\/h3>\n\n\n\n
NLB\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30bf\u30fc\u30b2\u30c3\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
aws elbv2 describe-target-health --target-group-arn <\u30bf\u30fc\u30b2\u30c3\u30c8\u30b0\u30eb\u30fc\u30d7\u306eARN>\n<\/code><\/pre>\n\n\n\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001NLB\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3057\u3066\u3044\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
NLB\u306b\u9759\u7684IP\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u6cd5<\/h2>\n\n\n\n
NLB\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u56fa\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001Elastic IP (EIP) \u3092\u95a2\u9023\u4ed8\u3051\u308b<\/strong> \u65b9\u6cd5\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u5e38\u306b\u4e00\u5b9a\u306b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
\u9759\u7684IP\u306e\u8a2d\u5b9a\u624b\u9806<\/h3>\n\n\n\n
    \n
  1. NLB\u306e\u4f5c\u6210\u6642\u306bElastic IP\u3092\u6307\u5b9a\u3059\u308b<\/strong>\n
      \n
    • AWS\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b3\u30f3\u30bd\u30fc\u30eb\u3067NLB\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001\u30a2\u30d9\u30a4\u30e9\u30d3\u30ea\u30c6\u30a3\u30be\u30fc\u30f3\u3054\u3068\u306bElastic IP\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n
    • \u3053\u308c\u306b\u3088\u308a\u3001NLB\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u56fa\u5b9a\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • \u65e2\u5b58\u306eNLB\u306bElastic IP\u3092\u5272\u308a\u5f53\u3066\u308b<\/strong>\n
        \n
      • \u65e2\u5b58\u306eNLB\u306b\u3082Elastic IP\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n
      • AWS CLI\u3092\u4f7f\u7528\u3057\u3066\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u30b0\u30eb\u30fc\u30d7\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u306bElastic IP\u3092\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u3067\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
        \u307e\u3068\u3081<\/h2>\n\n\n\n
          \n
        • NLB\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f \u52d5\u7684<\/strong> \u306b\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u901a\u5e38\u306f DNS\u540d\u3092\u4f7f\u7528<\/strong> \u3059\u308b\u3002<\/li>\n\n\n\n
        • dig\u30b3\u30de\u30f3\u30c9<\/strong> \u3084 AWS CLI\u306edescribe-target-health<\/strong> \u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/li>\n\n\n\n
        • Elastic IP (EIP) \u3092\u5272\u308a\u5f53\u3066\u308b<\/strong> \u3053\u3068\u3067\u9759\u7684IP\u3092\u4f7f\u7528\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n\n\n\n
          NLB\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u3084\u3001\u7279\u5b9a\u306eIP\u3092\u56fa\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          AWS\u306eNetwork Load Bal<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[555],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/3662"}],"collection":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/comments?post=3662"}],"version-history":[{"count":1,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/3662\/revisions"}],"predecessor-version":[{"id":3663,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/3662\/revisions\/3663"}],"wp:attachment":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/media?parent=3662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/categories?post=3662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/tags?post=3662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}