{"id":479389,"date":"2023-08-09T10:35:54","date_gmt":"2023-08-09T10:35:54","guid":{"rendered":""},"modified":"2023-09-05T11:18:41","modified_gmt":"2023-09-05T11:18:41","slug":"transparent-bridge","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/transparent-bridge\/","title":{"rendered":"\u900f\u660e\u6865"},"content":{"rendered":"<p>\u900f\u660e\u6865\u7b80\u4ecb<\/p>\n<p>\u900f\u660e\u6865\u63a5\u5668\uff0c\u4e5f\u79f0\u4e3a\u5b66\u4e60\u6865\u63a5\u5668\u6216\u7b2c 2 \u5c42\u6865\u63a5\u5668\uff0c\u662f\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u7f51\u6bb5\u7684\u5fc5\u5907\u7f51\u7edc\u8bbe\u5907\uff0c\u4f7f\u5b83\u4eec\u5145\u5f53\u5355\u4e2a\u7f51\u7edc\u3002\u5b83\u4eec\u662f\u201c\u900f\u660e\u7684\u201d\uff0c\u56e0\u4e3a\u7f51\u7edc\u4e0a\u7684\u8bbe\u5907\u4e0d\u77e5\u9053\u6865\u63a5\u5668\u7684\u5b58\u5728\u3002\u900f\u660e\u6865\u63a5\u5668\u5728 OSI \u6a21\u578b\u7684\u6570\u636e\u94fe\u8def\u5c42\uff08\u7b2c 2 \u5c42\uff09\u8fd0\u884c\uff0c\u5e76\u5229\u7528 MAC \u5730\u5740\u6765\u786e\u5b9a\u662f\u5426\u5e94\u8f6c\u53d1\u6216\u8fc7\u6ee4\u6570\u636e\u5e27\u3002<\/p>\n<h2>\u900f\u660e\u6865\u7684\u5386\u53f2<\/h2>\n<p>\u900f\u660e\u6865\u7684\u8d77\u6e90\u5386\u53f2\u4ee5\u53ca\u5bf9\u5b83\u7684\u9996\u6b21\u63d0\u53ca\u3002<\/p>\n<p>\u900f\u660e\u6865\u63a5\u6280\u672f\u6700\u65e9\u662f\u5728 20 \u4e16\u7eaa 80 \u5e74\u4ee3\u521d\u5f15\u5165\u7684\uff0c\u5f53\u65f6\u4ee5\u592a\u7f51\u7684\u89c4\u6a21\u548c\u590d\u6742\u6027\u5f00\u59cb\u589e\u957f\u3002\u900f\u660e\u6865\u63a5\u6700\u521d\u7531\u6570\u5b57\u8bbe\u5907\u516c\u53f8\u5f00\u53d1\uff0c\u65e8\u5728\u901a\u8fc7\u8fde\u63a5\u4e0d\u540c\u7684\u7f51\u7edc\u6bb5\u548c\u51cf\u5c11\u51b2\u7a81\u6765\u7b80\u5316\u7f51\u7edc\u8bbe\u8ba1\u5e76\u589e\u5f3a\u8fde\u63a5\u6027\u3002IEEE 802.1D \u6807\u51c6\u540e\u6765\u6b63\u5f0f\u5316\u4e86\u900f\u660e\u6865\u63a5\u6280\u672f\uff0c\u4e3a\u6865\u63a5\u64cd\u4f5c\u548c\u5e27\u5904\u7406\u5236\u5b9a\u4e86\u6307\u5bfc\u65b9\u9488\u3002<\/p>\n<h2>\u5173\u4e8e\u900f\u660e\u6865\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>\u6269\u5c55\u4e3b\u9898\u900f\u660e\u6865\u3002<\/p>\n<p>\u900f\u660e\u6865\u4f7f\u7528\u79f0\u4e3a\u6865\u63a5\u8868\u6216 MAC \u5730\u5740\u8868\u7684\u8868\u6765\u786e\u5b9a\u662f\u5426\u5e94\u5c06\u6570\u636e\u5e27\u8f6c\u53d1\u5230\u7279\u5b9a\u7f51\u6bb5\u3002\u900f\u660e\u6865\u7684\u57fa\u672c\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5b66\u4e60<\/strong>\uff1a\u8bc6\u522b\u6bcf\u4e2aMAC\u5730\u5740\u6240\u5728\u7684\u7f51\u6bb5\u5e76\u6784\u5efa\u6865\u63a5\u8868\u3002<\/li>\n<li><strong>\u8f6c\u53d1<\/strong>\uff1a\u6839\u636e\u6865\u63a5\u8868\u5c06\u5e27\u53d1\u9001\u5230\u9002\u5f53\u7684\u6bb5\u3002<\/li>\n<li><strong>\u8fc7\u6ee4<\/strong>\uff1a\u5982\u679c\u6e90\u548c\u76ee\u6807\u4f4d\u4e8e\u540c\u4e00\u7f51\u6bb5\uff0c\u5219\u963b\u6b62\u5e27\u3002<\/li>\n<li><strong>\u5faa\u73af\u89e3\u6790<\/strong>\uff1a\u5229\u7528\u751f\u6210\u6811\u534f\u8bae (STP) \u6765\u9632\u6b62\u7f51\u7edc\u73af\u8def\u3002<\/li>\n<\/ul>\n<h2>\u900f\u660e\u6865\u7684\u5185\u90e8\u7ed3\u6784<\/h2>\n<p>\u900f\u660e\u6865\u5982\u4f55\u5de5\u4f5c\u3002<\/p>\n<p>\u900f\u660e\u6865\u7531\u51e0\u4e2a\u57fa\u672c\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u6e2f\u53e3<\/strong>\uff1a\u8fde\u63a5\u7f51\u6bb5\u7684\u7269\u7406\u6216\u903b\u8f91\u63a5\u53e3\u3002<\/li>\n<li><strong>\u6865\u63a5\u8868<\/strong>\uff1a\u5305\u542b MAC \u5730\u5740\u548c\u76f8\u5173\u7aef\u53e3\u3002<\/li>\n<li><strong>\u63a7\u5236\u903b\u8f91<\/strong>\uff1a\u786e\u5b9a\u5e27\u5904\u7406\u903b\u8f91\uff0c\u5305\u62ec\u5b66\u4e60\u3001\u8f6c\u53d1\u3001\u8fc7\u6ee4\u548c\u5faa\u73af\u89e3\u51b3\u3002<\/li>\n<li><strong>\u7f13\u51b2<\/strong>\uff1a\u4e34\u65f6\u5b58\u50a8\u5e27\u4ee5\u7ba1\u7406\u7f51\u7edc\u6d41\u91cf\u5e76\u9632\u6b62\u51b2\u7a81\u3002<\/li>\n<\/ul>\n<h2>\u900f\u660e\u6865\u5173\u952e\u7279\u6027\u5206\u6790<\/h2>\n<ul>\n<li><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u900f\u660e\u6865\u5141\u8bb8\u5404\u4e2a\u7f51\u7edc\u6bb5\u7684\u65e0\u7f1d\u96c6\u6210\uff0c\u4ece\u800c\u63d0\u9ad8\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<li><strong>\u9002\u5e94\u6027<\/strong>\uff1a\u5b83\u4eec\u901a\u8fc7\u4e0d\u65ad\u5b66\u4e60\u548c\u66f4\u65b0\u6865\u63a5\u8868\u6765\u9002\u5e94\u7f51\u7edc\u62d3\u6251\u7684\u53d8\u5316\u3002<\/li>\n<li><strong>\u5b89\u5168<\/strong>\uff1a\u5206\u6bb5\u901a\u8fc7\u9694\u79bb\u6d41\u91cf\u6765\u63d0\u4f9b\u5b89\u5168\u6027\uff0c\u5c3d\u7ba1\u5b83\u4e0d\u5982\u5176\u4ed6\u89e3\u51b3\u65b9\u6848\u90a3\u4e48\u5f3a\u5927\u3002<\/li>\n<li><strong>\u8868\u73b0<\/strong>\uff1a\u9ad8\u6548\u7684\u6d41\u91cf\u7ba1\u7406\u53ef\u63d0\u9ad8\u6574\u4f53\u7f51\u7edc\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u900f\u660e\u6865\u7684\u7c7b\u578b<\/h2>\n<p>\u5199\u51fa\u6709\u54ea\u4e9b\u7c7b\u578b\u7684\u900f\u660e\u6865\u3002\u4f7f\u7528\u8868\u683c\u548c\u5217\u8868\u6765\u5199\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6e90\u8def\u7531<\/strong><\/td>\n<td>\u4f7f\u7528\u6e90\u8def\u7531\u4fe1\u606f\u6765\u505a\u51fa\u8f6c\u53d1\u51b3\u7b56\u3002\u5728\u4ee4\u724c\u73af\u7f51\u7edc\u4e2d\u5f88\u5e38\u89c1\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7ffb\u8bd1<\/strong><\/td>\n<td>\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u96a7\u9053<\/strong><\/td>\n<td>\u901a\u8fc7\u4e0d\u540c\u7684\u7f51\u7edc\u8fde\u63a5\u4e24\u79cd\u76f8\u4f3c\u7684\u7f51\u7edc\u7c7b\u578b\uff0c\u4f8b\u5982\u901a\u8fc7 IP \u8fde\u63a5\u7684\u4ee5\u592a\u7f51\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u900f\u660e\u6865\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<h3>\u7528\u6cd5\uff1a<\/h3>\n<ul>\n<li><strong>\u7f51\u7edc\u6269\u5c55<\/strong>\uff1a\u8fde\u63a5\u5404\u4e2a\u90e8\u5206\u3002<\/li>\n<li><strong>\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u9694\u79bb\u548c\u63a7\u5236\u6570\u636e\u6d41\u3002<\/li>\n<li><strong>\u534f\u8bae\u96c6\u6210<\/strong>\uff1a\u6865\u63a5\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u3002<\/li>\n<\/ul>\n<h3>\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848\uff1a<\/h3>\n<ul>\n<li><strong>\u73af\u8def\u5f62\u6210<\/strong>\uff1a\u4f7f\u7528\u751f\u6210\u6811\u534f\u8bae\uff08STP\uff09\u89e3\u51b3\u3002<\/li>\n<li><strong>\u6865\u8868\u6ea2\u51fa<\/strong>\uff1a\u5b9e\u65bd\u8001\u5316\u65f6\u95f4\u548c\u9002\u5f53\u7684\u7f51\u7edc\u8bbe\u8ba1\u3002<\/li>\n<li><strong>\u5b89\u5168\u98ce\u9669<\/strong>\uff1a\u5229\u7528 VLAN \u548c\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u4e0e\u540c\u7c7b\u4ea7\u54c1\u7684\u6bd4\u8f83<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5f81<\/th>\n<th>\u900f\u660e\u6865<\/th>\n<th>\u8f6c\u53d8<\/th>\n<th>\u8def\u7531\u5668<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u64cd\u4f5c\u5c42<\/strong><\/td>\n<td>\u6570\u636e\u94fe\u8def\u5c42<\/td>\n<td>\u6570\u636e\u94fe\u8def\u5c42<\/td>\n<td>\u7f51\u7edc\u5c42<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f7f\u7528\u7684\u5bfb\u5740<\/strong><\/td>\n<td>MAC\u5730\u5740<\/td>\n<td>MAC\u5730\u5740<\/td>\n<td>IP\u5730\u5740<\/td>\n<\/tr>\n<tr>\n<td><strong>\u529f\u80fd\u6027<\/strong><\/td>\n<td>\u8fde\u63a5\u5404\u90e8\u5206<\/td>\n<td>\u8fde\u63a5\u8bbe\u5907<\/td>\n<td>\u7f51\u7edc\u4e4b\u95f4\u7684\u8def\u7531<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e\u900f\u660e\u6865\u6881\u76f8\u5173\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f<\/h2>\n<ul>\n<li><strong>\u4e0eSDN\u96c6\u6210<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc\u63d0\u4f9b\u5bf9\u6865\u63a5\u64cd\u4f5c\u7684\u52a8\u6001\u63a7\u5236\u3002<\/li>\n<li><strong>\u589e\u5f3a\u7684\u5b89\u5168\u529f\u80fd<\/strong>\uff1a\u900f\u660e\u6865\u6280\u672f\u7684\u672a\u6765\u53d1\u5c55\u53ef\u80fd\u4f1a\u96c6\u4e2d\u5728\u52a0\u5f3a\u5b89\u5168\u6027\u4e0a\u3002<\/li>\n<li><strong>\u4e91\u517c\u5bb9\u6027<\/strong>\uff1a\u968f\u7740\u4e91\u8ba1\u7b97\u7684\u53d1\u5c55\uff0c\u6865\u6881\u53ef\u80fd\u4f1a\u9002\u5e94\u865a\u62df\u5316\u73af\u5883\u3002<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e\u900f\u660e\u6865\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\uff08\u4f8b\u5982 OneProxy \u63d0\u4f9b\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff09\u53ef\u4ee5\u4e0e\u900f\u660e\u6865\u914d\u5408\u4f7f\u7528\uff0c\u4ee5\u4fc3\u8fdb\u5b89\u5168\u9ad8\u6548\u7684\u901a\u4fe1\u3002\u900f\u660e\u6865\u5728\u7b2c 2 \u5c42\u8fde\u63a5\u7f51\u7edc\u6bb5\uff0c\u800c\u4ee3\u7406\u670d\u52a1\u5668\u5219\u5145\u5f53\u5ba2\u6237\u7aef\u5411\u5176\u4ed6\u670d\u52a1\u5668\u5bfb\u6c42\u8d44\u6e90\u7684\u8bf7\u6c42\u7684\u4e2d\u4ecb\u3002\u7ed3\u5408\u8fd9\u4e9b\u6280\u672f\u53ef\u786e\u4fdd\u65e0\u7f1d\u6570\u636e\u6d41\u5e76\u63d0\u4f9b\u989d\u5916\u7684\u5b89\u5168\u548c\u63a7\u5236\u5c42\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<ul>\n<li><a href=\"https:\/\/standards.ieee.org\/standard\/802_1D-2004.html\" target=\"_new\" rel=\"noopener nofollow\">IEEE 802.1D \u6807\u51c6<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/cn\/\" target=\"_new\" rel=\"noopener\">OneProxy\u7f51\u7ad9<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/lan-switching\/spanning-tree-protocol\/10556-16.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco\uff1a\u4e86\u89e3\u6865\u63a5\u548c VLAN<\/a><\/li>\n<li><a href=\"https:\/\/www.networkworld.com\/article\/2297176\/evolution-of-ethernet.html\" target=\"_new\" rel=\"noopener nofollow\">\u7f51\u7edc\u4e16\u754c\uff1a\u4ee5\u592a\u7f51\u7684\u6f14\u8fdb<\/a><\/li>\n<\/ul>\n<p>\u900f\u660e\u7f51\u6865\u5728\u73b0\u4ee3\u7f51\u7edc\u4e2d\u4ecd\u7136\u5fc5\u4e0d\u53ef\u5c11\uff0c\u662f\u8fde\u63a5\u3001\u6269\u5c55\u548c\u7ba1\u7406\u7f51\u7edc\u7684\u5173\u952e\u5de5\u5177\u3002\u8be5\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u4e0e SDN \u548c\u4e91\u8ba1\u7b97\u7b49\u65b0\u5174\u8d8b\u52bf\u4fdd\u6301\u4e00\u81f4\uff0c\u786e\u4fdd\u4e86\u5176\u5728\u672a\u6765\u7f51\u7edc\u8bbe\u8ba1\u548c\u8fd0\u8425\u4e2d\u7684\u76f8\u5173\u6027\u3002<\/p>","protected":false},"featured_media":479390,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479389","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Transparent Bridge<\/mark>","faq_items":[{"question":"What is a Transparent Bridge and why is it called \"transparent\"?","answer":"<p>A Transparent Bridge, or Layer 2 bridge, is a network device used to connect two or more network segments, making them act as a single network. It's called \"transparent\" because the devices on the network are unaware of its presence. The bridge operates at the data link layer and uses MAC addresses to determine if a data frame should be forwarded or filtered.<\/p>"},{"question":"How did Transparent Bridge technology originate?","answer":"<p>Transparent Bridge technology was introduced in the early 1980s to simplify network design and enhance connectivity. It was first developed by the Digital Equipment Corporation and later formalized by the IEEE 802.1D standard, setting guidelines for bridge operation.<\/p>"},{"question":"What are the main functions of a Transparent Bridge?","answer":"<p>A Transparent Bridge performs key functions such as learning the segment where each MAC address resides, forwarding frames to the appropriate segment, filtering frames if the source and destination are on the same segment, and utilizing Spanning Tree Protocol (STP) to prevent loops in the network.<\/p>"},{"question":"How does a Transparent Bridge differ from a switch or a router?","answer":"<p>A Transparent Bridge operates at the data link layer and uses MAC addresses, similar to a switch. However, a router operates at the network layer and uses IP addresses. While bridges and switches connect segments or devices within a network, routers route between different networks.<\/p>"},{"question":"What types of Transparent Bridge exist?","answer":"<p>There are several types of Transparent Bridges, including Source-route bridges, which use source-routing information, Translation bridges, which translate between different networking protocols, and Tunnel bridges, which connect two similar network types over a different network.<\/p>"},{"question":"What are the common problems and solutions related to Transparent Bridges?","answer":"<p>Common problems include loop formation, bridge table overflow, and security risks. These can be addressed by using Spanning Tree Protocol (STP), implementing aging time and proper network design, and utilizing VLANs and other security measures.<\/p>"},{"question":"What are the future perspectives and technologies related to Transparent Bridges?","answer":"<p>Future perspectives include integration with Software-Defined Networking (SDN), enhanced security features, and cloud compatibility. The continuous evolution in transparent bridge technology aligns with emerging trends to ensure its relevance in future network design.<\/p>"},{"question":"How can proxy servers like OneProxy be associated with Transparent Bridge?","answer":"<p>Proxy servers, such as OneProxy, can work in conjunction with transparent bridges to facilitate secure and efficient communication. While transparent bridges connect network segments at Layer 2, proxy servers act as intermediaries for requests from clients, ensuring seamless data flow and additional layers of security and control.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479389\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/479390"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=479389"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}