{"id":535293,"date":"2021-09-02T11:01:16","date_gmt":"2021-09-02T03:01:16","guid":{"rendered":"http:\/\/4563.org\/?p=535293"},"modified":"2021-09-02T11:01:16","modified_gmt":"2021-09-02T03:01:16","slug":"%e8%af%b7%e6%95%99%e4%b8%aa-udp-%e7%bb%84%e6%92%ad%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=535293","title":{"rendered":"\u8bf7\u6559\u4e2a Udp \u7ec4\u64ad\u95ee\u9898"},"content":{"rendered":"
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\u8bf7\u6559\u4e2a Udp \u7ec4\u64ad\u95ee\u9898 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u6211\u672c\u673a\u7f51\u7ebf\u76f4\u8fde\u670d\u52a1\u5668\u53ef\u4ee5\u7ec4\u64ad\u63a5\u6536\u5230\u6570\u636e\uff0c\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u63a5\u6536\u4e0d\u5230\u3002\u8be5\u4ea4\u6362\u673a\u5176\u4ed6\u670d\u52a1\u5668\u53ef\u901a\u8fc7\u5b83\u7ec4\u64ad\u4e0b\u53d1\uff0c\u6240\u4ee5\u4ea4\u6362\u673a\u7ec4\u64ad\u7684\u914d\u7f6e\u5e94\u8be5\u662f\u6ca1\u6709\u95ee\u9898\uff0c\u8bf7\u95ee\u8fd8\u4f1a\u6709\u4ec0\u4e48\u60c5\u51b5\u5bfc\u81f4\u901a\u8fc7\u4ea4\u6362\u673a\u7ec4\u64ad\u4e0b\u53d1\u4e0d\u6210\u529f\u5462\uff1f\u73b0\u573a\u7f51\u7edc\u8f83\u590d\u6742\uff0c\u4ee3\u7801\u516c\u53f8\u6d4b\u8bd5\u6ca1\u6709\u95ee\u9898\uff0c\u5728\u8fd9\u4e2a\u7f51\u7edc\u4e4b\u524d\u4e5f\u6ca1\u6709\u95ee\u9898\uff0c\u6700\u8fd1\u5f00\u59cb\u4e00\u76f4\u4e0d\u884c <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (13<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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    \u8cc7\u6df1\u5927\u4f6c : raysonx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u786e\u5b9a\u4f60\u672c\u673a\u548c\u670d\u52a1\u5668\u5728\u540c\u4e00\u4e2a VLAN \u5185\u5417\uff1f\u5982\u679c\u4e0d\u662f\u5c31\u8981\u6d89\u53ca\u5230\u7ec4\u64ad\u8def\u7531\u4e86\uff0c\u90a3\u5c31\u662f\u53e6\u4e00\u4e2a\u6545\u4e8b\u4e86\u3002
    \u901a\u5e38\u6765\u8bb2\uff0c\u5982\u679c\u4ea4\u6362\u673a\u5f00\u542f\u4e86 multicast snooping <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : raysonx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ea4\u6362\u673a\u4f1a\u8bc6\u522b IGMP\/MLD \u5305\uff0c\u5e76\u4e14\u4f1a\u542f\u7528 IGMP\/MLD Querier \u6765\u67e5\u8be2\u54ea\u4e9b\u7aef\u53e3\u5c5e\u4e8e\u67d0\u4e2a\u7ec4\u64ad\u5730\u5740\u3002\u4e0d\u6392\u9664\u6709\u4e9b\u4f4e\u7aef\u4ea4\u6362\u673a\u5bf9 multicast \u7684\u5b9e\u73b0\u6709 bug \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : abcysn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u662f\u4e0d\u662f ttl \u8bbe\u7f6e\u592a\u5c0f\u4e86\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : bin456789 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u4e70\u8fc7\u4e00\u4e2a\u5bb6\u7528\u4ea4\u6362\u673a\uff0c\u5149\u732b IPTV \u53e3\u63a5\u4ea4\u6362\u673a 1 \u53e3\u624d\u80fd\u6b63\u5e38\u770b IPTV\uff0c\u5176\u4ed6\u53e3\u4e0d\u884c\uff0c\u5c31\u662f\u8fd9\u4e48\u795e\u5947 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : semglassiebaba <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e00\u822c\u4e0d\u5e26 vlan \u7684\u4ea4\u6362\u673a\u4f1a\u76f4\u63a5\u628a\u7ec4\u64ad\u53d8\u6210\u5e7f\u64ad\u7684\u5427\uff0c\u5e26 vlan \u7684\u8981\u81ea\u5df1\u8bbe\u7f6e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @raysonx h3c \u7684\u4ea4\u6362\u673a\u5e94\u8be5\u4e0d\u4f1a\u6709 bug\uff0c\u6d4b\u8bd5\u7684\u65f6\u5019\u548c\u670d\u52a1\u5668\u662f\u540c\u4e00\u4e2a vlan \u4e0b\u7684\uff0c\u4e5f\u4e0d\u884c\uff0c\u4eca\u5929\u53bb\u522b\u7684\u673a\u623f\u627e\u4e2a\u4ea4\u6362\u673a\u6d4b\u8bd5\u4e0b
    @semglassiebaba vlan \u7531\u7f51\u7edc\u4e13\u5458\u8bbe\u7f6e\u8fc7\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @abcysn \u627e\u5230\u95ee\u9898\u4e86\uff0c\u786e\u5b9e\u662f TTL \u592a\u5c0f\u4e86\uff0c\u4e3a 1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : raysonx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    link-local \u8303\u56f4\u5185\u7684\u7ec4\u64ad\u6d41\u91cf\u672c\u6765\u5c31\u662f TTL 1\uff0c\u800c\u4e14\u4ea4\u6362\u673a\u5728\u8f6c\u53d1\u65f6\u4e5f\u4e0d\u4f1a\u51cf\u5c0f TTL \u503c\uff0c\u660e\u663e\u4e0d\u662f\u8fd9\u4e2a\u539f\u56e0\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @raysonx \u786e\u5b9e\uff0c\u589e\u5927\u4e86 TTL \u540e\u540c\u4e00\u4e2a\u7f51\u6bb5\u4e0b\u7684\u670d\u52a1\u5668\u80fd\u6536\u5230\u4e86\uff0c\u4e0d\u540c\u7f51\u6bb5\u4f9d\u7136\u6536\u4e0d\u5230\u3002\u8bf7\u95ee\u5728\u60a8\u770b\u6765\u8fd8\u80fd\u6709\u4ec0\u4e48\u60c5\u51b5\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : raysonx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u90fd\u8bf4\u4e86\u540c\u7f51\u6bb5\u548c TTL \u4e3a\u591a\u5c11\u6ca1\u6709\u5173\u7cfb\uff0c\u56e0\u4e3a\u4ea4\u6362\u673a\u4e0d\u4f1a\u51cf\u5c0f TTL \u503c\uff0c\u53ea\u6709\u901a\u8fc7\u8def\u7531\u5668\u65f6 TTL \u624d\u4f1a\u51cf\u4e00\u3002
    \u4e0d\u77e5\u9053\u4f60\u7528\u7684\u7ec4\u64ad\u5730\u5740\u662f\u4ec0\u4e48\u3002\u8981\u8ba9 multicast \u8de8\u7f51\u6bb5\u9996\u5148\u7ec4\u64ad\u5730\u5740\u4e0d\u80fd\u7528 link-local \u7f51\u6bb5\uff08 224.0.0.0\/24 \u6216\u8005 ffx1::\/16,ffx2::\/16,ffx3::\/16 \uff09\uff0c\u7136\u540e\u9700\u8981\u914d\u7f6e\u8def\u7531\u5668\u6765\u652f\u6301\u7ec4\u64ad\u8def\u7531\u3002\u5982\u679c\u8def\u7531\u5668\u662f Linux \u8f6f\u8def\u7531\u7684\u8bdd\u53ef\u4ee5\u7528 mrouted \u6216\u8005 smcroute \u6765\u5b9e\u73b0\uff0c\u786c\u4ef6\u8def\u7531\u5668\u7684\u8bdd\u8981\u53bb\u770b\u5382\u5546\u8bf4\u660e\u4e66\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @raysonx \u55ef\uff0c\u7ec4\u64ad\u5730\u5740\u662f 238.1.1.1\uff0c\u5e94\u8be5\u4e0d\u5728\u8fd9\u4e2a\u7f51\u6bb5\u3002\u7f51\u7edc\u4e13\u5458\u544a\u8bc9\u6211\u914d\u7f6e\u8fc7\u8def\u7531\u4e86\uff0c\u6709\u4e00\u4e2a\u522b\u7684\u670d\u52a1\u53ef\u4ee5\u63a8\u6d41\u6210\u529f\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : raysonx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    238.1.1.1 \u662f\u4fdd\u7559\u5730\u5740\uff0c\u4e0d\u77e5\u9053\u517c\u5bb9\u6027\u5982\u4f55\uff0c\u53e6\u4e00\u4e2a\u670d\u52a1\u4e5f\u662f\u7528\u8fd9\u4e2a\u7ec4\u64ad\u6bb5\u5417\uff1f
    \u53ef\u4ee5\u7528 socat \u4e4b\u7c7b\u7684\u5de5\u5177\u6d4b\u8bd5\u4e00\u4e0b\u4f60\u7684\u7ec4\u64ad\u5730\u5740\u80fd\u5426\u6b63\u786e\u8def\u7531\uff0c\u5982\u679c\u80fd\u8bf4\u660e\u662f\u4f60\u5e94\u7528\u7a0b\u5e8f\u7684\u95ee\u9898\uff0c\u5982\u679c\u4e0d\u80fd\u8bf4\u660e\u662f\u7f51\u7edc\u914d\u7f6e\u6216\u8005\u9632\u706b\u5899\u7684\u95ee\u9898\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : silencil <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @raysonx \u597d\u7684 \u8c22\u8c22\uff0c\u624d\u77e5\u9053\u8fd9\u4e2a\u8f6f\u4ef6\uff0c\u5f85\u4f1a\u6d4b\u8bd5\u4e0b\u3002\u53e6\u4e00\u4e2a\u7ec4\u64ad\u5730\u5740\u662f 231.7.200.51 \uff0c\u73b0\u5728\u7684\u60c5\u51b5\u662f\u7ec4\u64ad\u4e0d\u4e0b\u53bb\u7684\u670d\u52a1\u5728 10.73.112 \u7f51\u6bb5\u4e0b\u90fd\u80fd\u6536\u5230\uff0c10.89.160 \u8fd9\u4e9b\u7f51\u6bb5\u5c31\u6536\u4e0d\u5230\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u8bf7\u6559\u4e2a Udp \u7ec4\u64ad\u95ee\u9898 \u8cc7\u6df1\u5927\u4f6c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/535293"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=535293"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/535293\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=535293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=535293"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=535293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}