{"id":190,"date":"2013-09-28T18:50:25","date_gmt":"2013-09-28T10:50:25","guid":{"rendered":"http:\/\/xl.myfansla.com\/?p=190"},"modified":"2013-09-28T18:50:25","modified_gmt":"2013-09-28T10:50:25","slug":"802-3-%e4%bb%a5%e5%a4%aa%e7%bd%91%e5%b8%a7%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.xiaoxiaoliang.com\/?p=190","title":{"rendered":"802.3 \u4ee5\u592a\u7f51\u5e27\u7ed3\u6784"},"content":{"rendered":"\n\n\n\n\n\n\n
802.3 \u4ee5\u592a\u7f51\u5e27\u7ed3\u6784<\/caption>\n
\u524d\u5bfc\u7801<\/th>\n\u5e27\u5f00\u59cb\u7b26<\/th>\nMAC \u76ee\u6807\u5730\u5740<\/th>\nMAC \u6e90\u5730\u5740<\/th>\n802.1Q<\/a> \u6807\u7b7e (\u53ef\u9009)<\/th>\n\u4ee5\u592a\u7c7b\u578b<\/a>\u6216\u957f\u5ea6<\/th>\n\u8d1f\u8f7d<\/th>\n\u5197\u4f59\u6821\u9a8c<\/a><\/th>\n\u5e27\u95f4\u8ddd<\/a><\/th>\n<\/tr>\n
10101010 7\u4e2aoctet<\/td>\n10101011 1\u4e2aoctet<\/td>\n6 octets<\/td>\n6 octets<\/td>\n(4 octets)<\/td>\n2 octets<\/td>\n46\u20131500 octets<\/span><\/td>\n4 octets<\/span><\/td>\n12 octets<\/td>\n<\/tr>\n
<\/td>\n64\u20131522 octets<\/span><\/td>\n<\/td>\n<\/tr>\n
72\u20131530 octets<\/span><\/td>\n<\/td>\n<\/tr>\n
84\u20131542 octets<\/p>\n

<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1\u3001\u524d\u5bfc\u7801\u548c\u5e27\u5f00\u59cb\u7b26\uff1a<\/span>
\u4e00\u4e2a\u5e27\u4ee57\u4e2a\u5b57\u8282\u7684\u524d\u5bfc\u7801\u548c1\u4e2a\u5b57\u8282\u7684\u5e27\u5f00\u59cb\u7b26\u4f5c\u4e3a\u5e27\u7684\u5f00\u59cb\u3002\u5feb\u901f\u4ee5\u592a\u7f51\u4e4b\u524d\uff0c\u5728\u7ebf\u8def\u4e0a\u5e27\u7684\u8fd9\u90e8\u5206\u7684\u4f4d\u6a21\u5f0f\u662f10101010 10101010 10101010 10101010 10101010 10101010 10101010 10101011\u3002\u7531\u4e8e\u5728\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\u65f6\u6700\u4e0d\u91cd\u8981\u7684\u4f4d\u6700\u5148\u4f20\u8f93(\u5373\u4f4e\u4f4d\u6700\u5148\u4f20\u8f93)\uff0c\u56e0\u6b64\u5176\u76f8\u5e94\u768416\u8fdb\u5236\u8868\u793a\u4e3a0x55 0x55 0x55 0x55 0x55 0x55 0x55 0xD5\u3002<\/span>
10\/100M \u7f51\u5361(MII PHY)\u4e00\u6b21\u4f20\u8f934\u4f4d(\u4e00\u4e2a\u534a\u5b57)\u3002\u56e0\u6b64\u524d\u5bfc\u7b26\u4f1a\u6210\u4e3a7\u7ec40x5+0x5,\u800c\u5e27\u5f00\u59cb\u7b26\u6210\u4e3a0x5+0xD\u30021000M\u7f51\u5361(GMII)\u4e00\u6b21\u4f20\u8f938\u4f4d\uff0c\u800c10Gbit\/s(XGMII) PHY\u82af\u7247\u4e00\u6b21\u4f20\u8f9332\u4f4d\u3002 \u6ce8\u610f\u5f53\u4ee5octet\u63cf\u8ff0\u65f6\uff0c\u5148\u4f20\u8f937\u4e2a01010101\u7136\u540e\u4f20\u8f9311010101\u3002\u7531\u4e8e8\u4f4d\u6570\u636e\u7684\u4f4e4\u4f4d\u5148\u53d1\u9001\uff0c\u6240\u4ee5\u5148\u53d1\u9001\u5e27\u5f00\u59cb\u7b26\u76840101\uff0c\u4e4b\u540e\u53d1\u90011101\u3002<\/span>
<\/p>\n

\n

2\u3001<\/span>\u76ee\u7684\u5730\u5740\uff1a6\u5b57\u8282<\/span><\/p>\n

3\u3001\u6e90\u5730\u5740\uff1a6\u5b57\u8282<\/span><\/p>\n

4\u3001\u7c7b\u578b\/\u957f\u5ea6\uff1a2\u5b57\u8282\uff0c0\uff5e1500\u4fdd\u7559\u4e3a\u957f\u5ea6\u57df\u503c\uff0c1536\uff5e65535\u4fdd\u7559\u4e3a\u7c7b\u578b\u57df\u503c(0x0600\uff5e0xFFFF)<\/span><\/p>\n

5\u3001\u6570\u636e\uff1a46\uff5e1500\u5b57\u8282<\/span><\/p>\n

6\u3001\u5e27\u6821\u9a8c\u5e8f\u5217(FCS)\uff1a4\u5b57\u8282\uff0c\u4f7f\u7528CRC\u8ba1\u7b97\u4ece\u76ee\u7684MAC\u5230\u6570\u636e\u57df\u8fd9\u90e8\u5206\u5185\u5bb9\u800c\u5f97\u5230\u7684\u6821\u9a8c\u548c\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u5f53\u6570\u636e\u5e27\u5230\u8fbe\u7f51\u5361\u65f6\uff0c\u5728\u7269\u7406\u5c42\u4e0a\u7f51\u5361\u8981\u5148\u53bb\u6389\u524d\u5bfc\u540c\u6b65\u7801\u548c\u5e27\u5f00\u59cb\u5b9a\u754c\u7b26\uff0c\u7136\u540e\u5bf9\u5e27\u8fdb\u884cCRC\u68c0\u9a8c\uff0c\u5982\u679c\u5e27\u6821\u9a8c\u548c\u9519\uff0c\u5c31\u4e22\u5f03\u6b64\u5e27\u3002\u5982\u679c\u6821\u9a8c\u548c\u6b63\u786e\uff0c\u5c31\u5224\u65ad\u5e27\u7684\u76ee\u7684\u786c\u4ef6\u5730\u5740\u662f\u5426\u7b26\u5408\u81ea\u5df1\u7684\u63a5\u6536\u6761\u4ef6\uff08\u76ee\u7684\u5730\u5740\u662f\u81ea\u5df1\u7684\u7269\u7406\u786c\u4ef6\u5730\u5740\u3001\u5e7f\u64ad\u5730\u5740\u3001\u53ef\u63a5\u6536\u7684\u591a\u64ad\u786c\u4ef6\u5730\u5740\u7b49\uff09\uff0c\u5982\u679c\u7b26\u5408\uff0c\u5c31\u5c06\u5e27\u4ea4”\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f”\u505a\u8fdb\u4e00\u6b65\u5904\u7406\u3002\u8fd9\u65f6\u6211\u4eec\u7684\u6293\u5305\u8f6f\u4ef6\u624d\u80fd\u6293\u5230\u6570\u636e\u3002
\n<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u4ee5\u592a\u7f51\u89c4\u5b9a\uff0c\u4ee5\u592a\u7f51\u5e27\u6570\u636e\u57df\u90e8\u5206\u6700\u5c0f\u4e3a46\u5b57\u8282\uff0c\u4ee5\u592a\u7f51\u5e27\u6700\u5c0f\u662f6\uff0b6\uff0b2\uff0b46\uff0b4\uff1d64\u3002<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

802.3 \u4ee5\u592a\u7f51\u5e27\u7ed3\u6784 \u524d\u5bfc\u7801 \u5e27\u5f00\u59cb\u7b26 MAC \u76ee\u6807\u5730\u5740 MAC \u6e90\u5730\u5740 802.1Q \u6807\u7b7e (\u53ef\u9009) \u4ee5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,11],"tags":[12,24],"_links":{"self":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/190"}],"collection":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=190"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/190\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}