{"id":3266,"date":"2016-12-01T01:42:43","date_gmt":"2016-11-30T16:42:43","guid":{"rendered":"http:\/\/www.hits-net.com\/blog\/?p=3266"},"modified":"2017-12-26T00:17:28","modified_gmt":"2017-12-25T15:17:28","slug":"%e4%bb%8a%e6%9b%b4%e3%81%be%e3%81%9fmtu%e3%81%a8%e3%81%8bmss%e3%81%ae%e8%a9%b1","status":"publish","type":"post","link":"https:\/\/www.hits-net.com\/blog\/?p=3266","title":{"rendered":"\u4eca\u66f4\u307e\u305fMTU\u3068\u304bMSS\u306e\u8a71"},"content":{"rendered":"<hr>\n<p><span style=\"font-size: 18pt; color: #ff0000;\">2017\/12\/25\u8ffd\u8a18<\/span><\/p>\n<p><span style=\"font-size: 18pt; color: #ff0000;\">\u3053\u306e\u8a18\u4e8b\u306f\u5185\u5bb9\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\uff01ICMP\u30d8\u30c3\u30c0\u7b49\u306e\u8003\u616e\u3092\u5fd8\u308c\u3066\u3044\u308b\u305f\u3081\u3001<\/span><\/p>\n<p><span style=\"font-size: 18pt; color: #ff0000;\">MTU1454\u306e\u307e\u307e\u3067\u6b63\u3057\u3044\u3067\u3059\u3002<\/span><\/p>\n<hr>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u3069\u3082\u3002\u3053\u3093\u3070\u3093\u306f\u3002<\/p>\n<p>\u6628\u65e5\u306eYouTube 4K\u518d\u751f\u306e\u4ef6\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u306a\u3093\u304b\u305d\u3046\u3044\u3048\u3070\u306a\u3093\u304b\u6700\u8fd1\u30cd\u30c3\u30c8\u9045\u304f\u306a\u3044\uff1f\u3068\u601d\u3044\u59cb\u3081\u3066\u3057\u307e\u3044\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u9045\u3044\u3068\u8a00\u3063\u3066\u3082\u3001\u30a4\u30f3\u30bf\u30fc\u30ea\u30f3\u30af\u306f20Mbps\u3001OCN\u308270Mbps\u304f\u3089\u3044\u306f\u305d\u308c\u305e\u308c\u4e0b\u308a\u304c\u51fa\u3066\u308b\u3068\u601d\u3046\u3093\u3067\u3059\u304c\u3001\u6539\u3081\u3066SRX\u304b\u3089Ping\u3067MTU\u3092\u8abf\u67fb\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<blockquote>\n<p class=\"p1\"><span class=\"s1\">ping yahoo.co.jp routing-instance [\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9] size 1426 do-not-fragment<\/span><\/p>\n<\/blockquote>\n<p class=\"p1\">\u3046\u3061\u306fVirtual Router(\u4eee\u60f3\u30eb\u30fc\u30bf)\u3067\u56de\u7dda\u30922\u3064\u5206\u3051\u3066\u3044\u308b\u306e\u3067\u4e00\u5fdc\u305d\u308c\u305e\u308c\u304b\u3089Ping\u3057\u307e\u3059\u3002<\/p>\n<p class=\"p1\">\u3053\u308c\u30011426\u304c\u6700\u5927\u3067\u3057\u305f\u3002(\u30a4\u30f3\u30bf\u30fc\u30ea\u30f3\u30af\u3082OCN\u3082\u3002\u307e\u3041\u7d50\u5c40\u30d5\u30ec\u30c3\u30c4\u5149\u30cd\u30af\u30b9\u30c8\u5074\u306b\u4f9d\u5b58\u3059\u308b\u8a71\u3067\u3059\u304c\u3002)<\/p>\n<p class=\"p1\"><del>\u3042\u308c\uff1f\u6614<a href=\"https:\/\/www.hits-net.com\/blog\/?p=1859\" target=\"_blank\" rel=\"noopener\">\u8abf\u3079\u305f\u3068\u304d<\/a>\u3068\u9055\u3046\uff1f<\/del><br \/>\n<del> \u307e\u3041\u524d\u56de\u306f\u3053\u3046\u3044\u3046\u8abf\u67fb\u3067\u306f\u306a\u3044\u3057\u3001\u897f\u65e5\u672c\u6771\u65e5\u672c\u306e\u9055\u3044\u3082\u3042\u308b\u304b\u3082\uff1f<\/del><\/p>\n<p class=\"p1\">\u6771\u4eac\u306b\u8d8a\u3057\u3066\u304d\u305f\u3068\u304d\u306b<\/p>\n<p class=\"p1\">MTU:1454<br \/>\nMSS:1414<\/p>\n<p class=\"p1\">\u306b\u5909\u66f4\u3057\u3066\u305f\u307f\u305f\u3044\u3002\u3053\u308c\u6839\u62e0\u306a\u3093\u3060\u3063\u3051\u30fb\u30fb\u3002\u666e\u901a\u306bPPPoE\u306e\u6642\u306e\u5024\u304b\u306a\u3002<\/p>\n<p class=\"p1\">\u6539\u3081\u3066\u8abf\u3079\u76f4\u3057\u305f\u306e\u3067\u3053\u3046\u3057\u3066\u307f\u308b\u3002<\/p>\n<p class=\"p1\">MTU:1426<br \/>\nMSS:1386<\/p>\n<p class=\"p1\">&nbsp;<\/p>\n<blockquote>\n<p class=\"p1\"><span class=\"s1\">set interfaces pp0 unit 0 family inet mtu 1426<br \/>\n<\/span><span class=\"s1\">set interfaces pp0 unit 1 family inet mtu 1426<br \/>\n<\/span><span class=\"s1\">set interfaces pp0 unit 2 family inet mtu 1426<br \/>\n<\/span><span class=\"s1\">set interfaces pp0 unit 3 family inet mtu 1426<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\">set security flow tcp-mss all-tcp mss 1386<\/span><\/p>\n<\/blockquote>\n<p class=\"p1\">\u52e2\u3044\u826f\u304fcommit!!!<br \/>\n<del>\u30e1\u30e2\uff1a2016\/12\/01 01:03<br \/>\n<\/del>\u3000\u3000\u3000MSS\u306e\u8a08\u7b97\u9593\u9055\u3063\u3066\u3044\u305f\u306e\u3067\u300101:22\u306b\u518d\u30b3\u30df\u30c3\u30c8(1408-&gt;1386)<\/p>\n<p class=\"p1\">\u3042\u3089\uff1f\u3042\u3089\u3089\uff1f\uff1f<\/p>\n<p class=\"p1\">\u306a\u3093\u304b\u901f\u306a\u3063\u305f\uff01\uff1f\u30d7\u30e9\u30b7\u30fc\u30dc\u52b9\u679c\uff1f\uff1f<\/p>\n<p class=\"p1\">100Mbps\u8d85\u3048\u308b\u52e2\u3044\u306a\u3093\u3067\u3059\u3051\u3069\u3002<br \/>\n\u203b\u305a\u3063\u3068\u88cf\u3067PS4\u304c\u9f8d\u304c\u5982\u304f\u306e\u4f53\u9a13\u7248\u3092DL\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p1\"><a href=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/e5693a0bff1688d88642c6f66173029d.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3272 size-medium\" src=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/e5693a0bff1688d88642c6f66173029d-300x136.png\" alt=\"%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88-2016-12-01-1-30-06\" width=\"300\" height=\"136\" srcset=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/e5693a0bff1688d88642c6f66173029d-300x136.png 300w, https:\/\/media.hits-net.com\/uploads\/2016\/12\/e5693a0bff1688d88642c6f66173029d.png 628w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p class=\"p1\">\u307e\u3042\u3001\u3053\u3046\u3044\u3046\u306e\u306f\u3088\u304f\u3042\u308b\u52d8\u9055\u3044\u3067\u3001\u5468\u308a\u306e\u56de\u7dda\u306e\u6df7\u307f\u5177\u5408\u3068\u304b\u306d\u3002<br \/>\n\u305f\u307e\u305f\u307e\u3063\u3066\u3084\u3064\u3002<\/p>\n<p class=\"p1\">\u305d\u3046\u3044\u3046\u3084\u3064\u3088\u306d\u3002<\/p>\n<p class=\"p1\">\u30fb\u30fb\u30fb\u3002<\/p>\n<p class=\"p1\">\u304d\u3063\u3068\u305d\u3046\u306b\u9055\u3044\u306a\u3044\u3002\u3042\u3068\u306a\u3093\u304bSRX\u306ePF\u306eCPU\u3081\u3061\u3083\u8352\u3076\u3063\u3066\u308b\u3002\u3002<\/p>\n<p class=\"p1\"><a href=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/b4555a1713074c775e3bf031b4ea003b.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3273 size-medium\" src=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/b4555a1713074c775e3bf031b4ea003b-300x130.png\" alt=\"%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88-2016-12-01-1-33-51\" width=\"300\" height=\"130\" srcset=\"https:\/\/media.hits-net.com\/uploads\/2016\/12\/b4555a1713074c775e3bf031b4ea003b-300x130.png 300w, https:\/\/media.hits-net.com\/uploads\/2016\/12\/b4555a1713074c775e3bf031b4ea003b.png 626w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p class=\"p1\">\u660e\u65e5\u3082\u3046\u4e00\u56de\u6e2c\u308d\u3046\u3002<\/p>\n<p class=\"p1\">\u3061\u306a\u307f\u306bPS4\u3067\u901f\u5ea6\u6e2c\u3063\u3066\u307f\u308b\u3068<\/p>\n<p class=\"p1\">MTU\/MSS\u5909\u66f4\u524d\uff1a20Mbps\u7a0b\u5ea6<br \/>\nMTU\/MSS\u5909\u66f4\u5f8c\uff1a70Mbps\u7a0b\u5ea6<\/p>\n<p class=\"p1\"><span style=\"font-size: 24pt;\">\u3042\u304b\u3093\u3002\u3053\u308c\u7d76\u5bfe\u901f\u306a\u3063\u3066\u308b\u3002<\/span><\/p>\n<p class=\"p1\">c(`\u0414\u00b4\u3068\u2312\uff43)\u3064\u5f61 \uff94\uff80\uff9e\uff94\uff80\uff9e<\/p>\n<p class=\"p1\">2\u5e74\u9593\u3082\u8a2d\u5b9a\u9593\u9055\u3063\u305f\u307e\u307e\u904b\u7528\u3057\u3066\u305f\u3068\u304b\u30b7\u30e7\u30c3\u30af\u3059\u304e\u308borz<\/p>\n<p class=\"p1\">SRX\u30ea\u30d6\u3063\u3066\u52d8\u9055\u3044\u3067\u3042\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u5bdd\u3088\u3046\u30fb\u30fb\u30fb\u3002<\/p>\n<p class=\"p1\">&nbsp;<\/p>\n<p class=\"p1\">&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2017\/12\/25\u8ffd\u8a18 \u3053\u306e\u8a18\u4e8b\u306f\u5185\u5bb9\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\uff01ICMP\u30d8\u30c3\u30c0\u7b49\u306e\u8003\u616e\u3092\u5fd8\u308c\u3066\u3044\u308b\u305f\u3081\u3001 MTU1454\u306e\u307e\u307e\u3067\u6b63\u3057\u3044\u3067\u3059\u3002 &nbsp; &nbsp; \u3069\u3082\u3002\u3053\u3093\u3070\u3093\u306f\u3002 \u6628\u65e5\u306eYouTube 4K\u518d\u751f\u306e\u4ef6\u3092 &hellip; <a href=\"https:\/\/www.hits-net.com\/blog\/?p=3266\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">\u4eca\u66f4\u307e\u305fMTU\u3068\u304bMSS\u306e\u8a71<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[7,20,59,3,44,4,29],"tags":[],"class_list":["post-3266","post","type-post","status-publish","format-standard","hentry","category-firewall","category-it","category-juniper-networks-srx","category-3","category-44","category-4","category-29"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p4WH5i-QG","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3266"}],"version-history":[{"count":10,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3266\/revisions"}],"predecessor-version":[{"id":4156,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3266\/revisions\/4156"}],"wp:attachment":[{"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hits-net.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}