{"id":32941,"date":"2026-06-01T14:53:14","date_gmt":"2026-06-01T06:53:14","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-ensure-switch-security-in-modern-networks\/"},"modified":"2026-06-01T14:58:05","modified_gmt":"2026-06-01T06:58:05","slug":"how-to-ensure-switch-security-in-modern-networks","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-ensure-switch-security-in-modern-networks\/","title":{"rendered":"\u5982\u4f55\u786e\u4fdd\u73b0\u4ee3\u7f51\u7edc\u4e2d\u7684\u4ea4\u6362\u673a\u5b89\u5168"},"content":{"rendered":"<style>\n    table, th, td {\n        border: 1px solid black;\n        border-collapse: collapse;\n    }\n<\/style>\n<p>\u8981\u5728\u73b0\u4ee3\u7f51\u7edc\u4e2d\u786e\u4fdd\u4ea4\u6362\u673a\u5b89\u5168\uff0c\u4f60\u9700\u8981\u91c7\u53d6\u4e3b\u52a8\u9632\u62a4\u7b56\u7565\u3002\u4fdd\u62a4\u6bcf\u4e00\u53f0\u4ea4\u6362\u673a\uff0c\u662f\u4f60\u7684 LAN \u4e0e WAN \u73af\u5883\u4ee5\u53ca <a target=\"_blank\" href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/cn2\/\">\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528<\/a> \u4e1a\u52a1\u67b6\u6784\u7684\u57fa\u7840\u3002\u5982\u679c\u5ffd\u89c6\u8fd9\u4e00\u70b9\uff0cMAC \u5730\u5740\u6cdb\u6d2a\u3001<a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-make-dhcp-server-provide-the-same-ip-to-all-hosts\/\">DHCP \u6b3a\u9a97<\/a>\u3001VLAN \u8df3\u8dc3\u4ee5\u53ca\u5f31\u5bc6\u7801\u7b49\u5a01\u80c1\u90fd\u53ef\u80fd\u66b4\u9732\u4f60\u7684\u7f51\u7edc\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u5e38\u89c1\u7684\u9488\u5bf9\u4f01\u4e1a\u4ea4\u6362\u673a\u7684\u98ce\u9669\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5a01\u80c1\u7c7b\u578b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>MAC \u5730\u5740\u6cdb\u6d2a<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u7528\u5927\u91cf\u4f2a\u9020 MAC \u5730\u5740\u6df9\u6ca1\u4ea4\u6362\u673a\u7684 MAC \u5730\u5740\u8868\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>DHCP \u6b3a\u9a97<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f2a\u88c5\u6210 DHCP \u670d\u52a1\u5668\uff0c\u5206\u53d1\u6076\u610f\u7684 IP \u914d\u7f6e\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>VLAN \u8df3\u8dc3<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u653b\u51fb\u8005\u8bbf\u95ee\u5176\u4ed6 VLAN\uff0c\u7834\u574f\u7f51\u7edc\u5206\u6bb5\u9694\u79bb\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f31\u5bc6\u7801<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8584\u5f31\u7684\u5bc6\u7801\u7b56\u7565\u4f9d\u7136\u662f\u4e3b\u8981\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4f60\u9700\u8981\u7ed3\u5408\u7269\u7406\u5b89\u5168\u3001\u903b\u8f91\u63a7\u5236\u548c\u5b9a\u671f\u66f4\u65b0\uff0c\u624d\u80fd\u9886\u5148\u4e8e\u4e0d\u65ad\u6f14\u53d8\u7684\u5a01\u80c1\u3002<\/p>\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<ul>\n<li>\n<p>\u5b9e\u65bd\u5f3a\u6709\u529b\u7684\u7528\u6237\u8bbf\u95ee\u63a7\u5236\uff0c\u9632\u6b62\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u5e76\u964d\u4f4e\u5185\u90e8\u5a01\u80c1\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u66f4\u65b0\u4ea4\u6362\u673a\u56fa\u4ef6\uff0c\u4ee5\u62b5\u5fa1\u65b0\u6f0f\u6d1e\u5e76\u4fdd\u6301\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528 VLAN \u5206\u6bb5\u9694\u79bb\u7f51\u7edc\u6d41\u91cf\uff0c\u9650\u5236\u6f5c\u5728\u653b\u51fb\u7684\u4f20\u64ad\u8303\u56f4\u3002<\/p>\n<\/li>\n<li>\n<p>\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\u4e0e\u65e5\u5fd7\uff0c\u53ca\u65e9\u53d1\u73b0\u53ef\u7591\u884c\u4e3a\u5e76\u6709\u6548\u54cd\u5e94\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u7269\u7406\u5b89\u5168\u63aa\u65bd\u4e0e\u903b\u8f91\u63a7\u5236\u7ed3\u5408\u8d77\u6765\uff0c\u5168\u9762\u63d0\u5347\u4ea4\u6362\u673a\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u7ba1\u7406\u5e73\u9762\u4ea4\u6362\u673a\u5b89\u5168<\/h2>\n<h3>\u7528\u6237\u8bbf\u95ee\u63a7\u5236<\/h3>\n<p>\u4f60\u9700\u8981\u5f3a\u5065\u7684\u7528\u6237\u8bbf\u95ee\u63a7\u5236\u6765\u4fdd\u62a4\u7f51\u7edc\u4ea4\u6362\u673a\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u5e76\u964d\u4f4e\u5185\u90e8\u5a01\u80c1\u3002\u5e94\u91c7\u7528\u57fa\u4e8e\u8eab\u4efd\u7684\u6743\u9650\u7ed3\u6784\uff0c\u53ea\u5411\u5df2\u9a8c\u8bc1\u7528\u6237\u6388\u4e88\u8bbf\u95ee\u6743\u9650\uff0c\u5e76\u5c06\u5176\u6743\u9650\u9650\u5236\u5728\u5de5\u4f5c\u6240\u9700\u8303\u56f4\u5185\u3002\u4e3a\u8bbe\u5907\u8bbf\u95ee\u8bbe\u7f6e\u57fa\u7ebf\uff0c\u5e76\u76d1\u63a7\u63a5\u5165 LAN \u548c WAN \u7684\u8bbe\u5907\u6570\u91cf\u4e0e\u7c7b\u578b\uff0c\u6709\u52a9\u4e8e\u53ca\u65e9\u53d1\u73b0\u5f02\u5e38\u6d3b\u52a8\u548c\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u9002\u5408\u4f60\u4ea4\u6362\u673a\u914d\u7f6e\u7684\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u786e\u4fdd\u5176\u80fd\u591f\u8bc6\u522b\u4e0e\u53ef\u89c6\u5316\u63a5\u5165\u8bbe\u5907\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u8bbf\u5ba2\u63d0\u4f9b\u4e13\u95e8\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u6839\u636e\u5176\u89d2\u8272\u5206\u914d\u4e0d\u540c\u8bbf\u95ee\u7ea7\u522b\u3002<\/p>\n<\/li>\n<li>\n<p>\u6307\u6d3e IT \u4eba\u5458\u76d1\u63a7\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7cfb\u7edf\u7684\u544a\u8b66\uff0c\u9632\u6b62\u6570\u636e\u6cc4\u9732\u5e76\u4fdd\u969c\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u62c9\u53d6\u62a5\u8868\uff0c\u4ee5\u4fbf\u6301\u7eed\u638c\u63e1\u7f51\u7edc\u6d3b\u52a8\u60c5\u51b5\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u7684\u8868\u683c\u5c55\u793a\u4e86\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\u4e0e\u4f20\u7edf\u8bbf\u95ee\u65b9\u5f0f\u7684\u5bf9\u6bd4\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u65b9\u9762<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff08RBAC\uff09<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u4f20\u7edf\u8bbf\u95ee\u65b9\u5f0f<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5185\u90e8\u5a01\u80c1<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u964d\u4f4e\u5e76\u6d88\u9664\u5185\u90e8\u5a01\u80c1<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5185\u90e8\u5a01\u80c1\u98ce\u9669\u66f4\u9ad8<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u636e\u5b89\u5168<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4ec5\u6309\u89d2\u8272\u6388\u4e88\u6240\u9700\u6570\u636e\u8bbf\u95ee\u6743\u9650<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f80\u5f80\u8fc7\u5ea6\u5f00\u653e\uff0c\u6613\u5bfc\u81f4\u6570\u636e\u6cc4\u9732<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5408\u89c4\u6027<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7b80\u5316\u5bf9\u6cd5\u5f8b\u4e0e\u5408\u89c4\u8981\u6c42\u7684\u6ee1\u8db3<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5408\u89c4\u7ba1\u7406\u66f4\u590d\u6742<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6548\u7387<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u51cf\u5c11\u4eba\u4e3a\u9519\u8bef\uff0c\u52a0\u5feb\u5165\u804c\u4e0e\u79bb\u804c\u6d41\u7a0b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u901a\u5e38\u9700\u8981\u4e3a\u6bcf\u4e2a\u7528\u6237\u624b\u52a8\u66f4\u65b0\u6743\u9650<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53ef\u89c1\u6027<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e3a\u7ba1\u7406\u8005\u548c\u7ba1\u7406\u5458\u63d0\u4f9b\u66f4\u9ad8\u53ef\u89c1\u6027<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53ef\u89c1\u6027\u6709\u9650\uff0c\u5bb9\u6613\u51fa\u73b0\u672a\u6388\u6743\u8bbf\u95ee<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89d2\u8272\u7ba1\u7406<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7b80\u5316\u8eab\u4efd\u6cbb\u7406\u4e0e\u6743\u9650\u7ba1\u7406<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89d2\u8272\u7ba1\u7406\u66f4\u52a0\u7e41\u7410<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\u53ef\u4ee5\u63d0\u5347\u5b89\u5168\u6027\uff0c\u7b80\u5316\u5408\u89c4\uff0c\u5e76\u51cf\u5c11\u7ba1\u7406\u5458\u7684\u65e5\u5e38\u5de5\u4f5c\u91cf\u3002\u4f60\u53ef\u4ee5\u6279\u91cf\u8c03\u6574\u8bbf\u95ee\u6743\u9650\uff0c\u8282\u7701\u65f6\u95f4\u5e76\u51cf\u5c11\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<h3>\u8ba4\u8bc1\u65b9\u5f0f<\/h3>\n<p>\u8ba4\u8bc1\u662f\u4ea4\u6362\u673a\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\u4e2d\u7684\u5173\u952e\u73af\u8282\u3002\u4f60\u5fc5\u987b\u4f7f\u7528\u5f3a\u8ba4\u8bc1\u534f\u8bae\u6765\u4fdd\u62a4\u4ea4\u6362\u673a\u7ba1\u7406\u63a5\u53e3\u3002SSH \u4f1a\u5728\u4f60\u7684\u8bbe\u5907\u4e0e\u4ea4\u6362\u673a\u4e4b\u95f4\u52a0\u5bc6\u6570\u636e\uff0c\u4fdd\u6301\u4fe1\u606f\u673a\u5bc6\u6027\uff1bSCP \u9002\u7528\u4e8e\u5b89\u5168\u6587\u4ef6\u4f20\u8f93\uff1bHTTPS \u5219\u662f\u9996\u9009\u7684\u5b89\u5168 Web \u7ba1\u7406\u534f\u8bae\u3002<\/p>\n<p>\u4e0b\u8868\u663e\u793a\u4e86\u63a8\u8350\u4f7f\u7528\u7684\u8ba4\u8bc1\u534f\u8bae\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u534f\u8bae<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>TACACS+<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9002\u7528\u4e8e\u8bbe\u5907\u7ba1\u7406\uff0c\u53ef\u66f4\u6e05\u6670\u5730\u5206\u79bb\u547d\u4ee4\u6388\u6743\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>RADIUS<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5e7f\u6cdb\u7528\u4e8e\u7f51\u7edc\u63a5\u5165\u6d41\u7a0b\uff0c\u63d0\u4f9b\u826f\u597d\u7684\u5ba1\u8ba1\u53ef\u89c1\u6027\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4f60\u8fd8\u5e94\u4f7f\u7528 802.1x \u8ba4\u8bc1\u6765\u5f3a\u5236\u63a5\u5165\u8bbe\u5907\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4ece\u800c\u4fdd\u62a4 LAN \u548c WAN \u73af\u5883\uff0c\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u3002\u591a\u56e0\u7d20\u8ba4\u8bc1\u5219\u8fdb\u4e00\u6b65\u589e\u52a0\u5b89\u5168\u5c42\u7ea7\uff0c\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u4ea4\u6362\u673a\u3002\u4e0d\u8fc7\uff0c\u82e5 MFA \u914d\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4ea7\u751f\u5982\u5bc6\u7801\u54c8\u5e0c\u957f\u671f\u4e0d\u53d8\u7b49\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u957f\u671f\u5229\u7528\u8fd9\u4e9b\u9519\u8bef\u914d\u7f6e\u3002<\/p>\n<h3>\u8fdc\u7a0b\u8bbf\u95ee\u5b89\u5168<\/h3>\n<p>\u4ea4\u6362\u673a\u7684\u8fdc\u7a0b\u8bbf\u95ee\u5fc5\u987b\u5b89\u5168\u53ef\u9760\u3002\u4f60\u5e94\u4f7f\u7528 SSHv2 \u66ff\u4ee3 Telnet \u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u3002SSH \u4f1a\u52a0\u5bc6\u7ec8\u7aef\u4e0e\u4ea4\u6362\u673a\u4e4b\u95f4\u7684\u6570\u636e\u3002\u4e3a Web \u7ba1\u7406\u914d\u7f6e HTTPS\uff0c\u53ef\u786e\u4fdd\u6570\u636e\u673a\u5bc6\u6027\u5e76\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u3002<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528 SSHv2 \u5b9e\u73b0\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p>\u914d\u7f6e HTTPS\uff0c\u786e\u4fdd Web \u7ba1\u7406\u7684\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u4f7f\u7528 SNMPv3 \u52a0\u5bc6\u901a\u4fe1\u6765\u4fdd\u62a4 SNMP\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u672a\u52a0\u56fa\u7684\u8fdc\u7a0b\u8bbf\u95ee\u4f1a\u8ba9\u4ea4\u6362\u673a\u66b4\u9732\u4e8e\u8bf8\u591a\u98ce\u9669\uff1a\u5b89\u5168\u7ba1\u7406\u4e0d\u8db3\u3001\u5bc6\u7801\u5171\u4eab\u3001\u8f6f\u4ef6\u5b58\u5728\u6f0f\u6d1e\u3001\u4e2a\u4eba\u8bbe\u5907\u672a\u7eb3\u7ba1\u3001\u8865\u4e01\u4e0d\u4e00\u81f4\u3001\u6076\u610f\u8f6f\u4ef6\u4e0e\u52d2\u7d22\u8f6f\u4ef6\u5a01\u80c1\uff0c\u4ee5\u53ca\u4e2d\u95f4\u4eba\u653b\u51fb\u7b49\u3002\u4f60\u5fc5\u987b\u5b9a\u671f\u66f4\u65b0\u56fa\u4ef6\uff0c\u5e76\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u4ec5\u5141\u8bb8\u53d7\u4fe1\u4efb\u7528\u6237\u8bbf\u95ee\u3002\u4e3a\u5b89\u5168\u8bbe\u5907\u7ba1\u7406\u6295\u8d44\u4e00\u5957\u72ec\u7acb\u7684\u7ba1\u7406\u7f51\u7edc\u3002\u7981\u7528\u672a\u4f7f\u7528\u7684\u670d\u52a1\u4e0e\u7aef\u53e3\u4ee5\u51cf\u5c11\u653b\u51fb\u9762\u3002<\/p>\n<h3>SNMP \u52a0\u56fa<\/h3>\n<p>SNMP \u662f\u7528\u4e8e\u7ba1\u7406\u7f51\u7edc\u4ea4\u6362\u673a\u7684\u534f\u8bae\u3002\u4f60\u5fc5\u987b\u901a\u8fc7\u4f7f\u7528 SNMPv3 \u6765\u52a0\u56fa\u4ea4\u6362\u673a\u914d\u7f6e\u3002SNMPv3 \u63d0\u4f9b\u8ba4\u8bc1\u3001\u52a0\u5bc6\u548c\u8bbf\u95ee\u63a7\u5236\u3002\u907f\u514d\u4f7f\u7528\u7f3a\u4e4f\u5173\u952e\u5b89\u5168\u7279\u6027\u7684 SNMPv1 \u548c SNMPv2\u3002<\/p>\n<p>\u8981\u4fdd\u62a4 SNMP \u56e2\u4f53\u5b57\u4e32\u5e76\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\uff0c\u4f60\u53ef\u4ee5\uff1a<\/p>\n<ol>\n<li>\n<p>\u5728\u6761\u4ef6\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\u59cb\u7ec8\u4f7f\u7528 SNMPv3\u3002<\/p>\n<\/li>\n<li>\n<p>\u7edd\u4e0d\u8981\u4f7f\u7528 \u201cpublic\u201d \u6216 \u201cprivate\u201d \u7b49\u9ed8\u8ba4\u56e2\u4f53\u5b57\u4e32\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u73b0\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u4ec5\u5141\u8bb8\u6765\u81ea\u6388\u6743\u7ba1\u7406\u7ad9\u7684 SNMP \u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a SNMPv3 \u8bbe\u7f6e\u5f3a\u5bc6\u7801\u3002<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7 VLAN\u3001\u9632\u706b\u5899\u6216\u7f51\u7edc\u5206\u6bb5\uff0c\u5c06 SNMP \u9650\u5236\u5728\u7ba1\u7406\u7f51\u7edc\u5185\u3002<\/p>\n<\/li>\n<li>\n<p>\u7981\u7528\u672a\u4f7f\u7528\u7684 SNMP \u7248\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>\u76d1\u63a7\u662f\u5426\u5b58\u5728\u672a\u6388\u6743\u7684 SNMP \u6d3b\u52a8\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u53ef\u80fd\u60c5\u51b5\u4e0b\u53ea\u63d0\u4f9b\u53ea\u8bfb\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ee5\u5b89\u5168\u65b9\u5f0f\u914d\u7f6e\u8bbe\u5907\uff0c\u5e76\u5b9a\u671f\u5ba1\u67e5\u914d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u66f4\u65b0\u4ee3\u7406\u8f6f\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bb0\u5f55\u5e76\u6587\u6863\u5316\u4f60\u7684 SNMP \u90e8\u7f72\u65b9\u6848\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4f60\u5e94\u59cb\u7ec8\u5c06 SNMP \u6d41\u91cf\u9650\u5236\u5728\u7ba1\u7406\u7f51\u7edc\uff0c\u5e76\u4f7f\u7528\u9632\u706b\u5899\u5bf9\u5176\u8fdb\u884c\u9694\u79bb\uff0c\u8fd9\u53ef\u4ee5\u51cf\u5c11\u6f0f\u6d1e\u5e76\u5e2e\u52a9\u4f60\u4fdd\u6301\u5408\u89c4\u3002<\/p>\n<h3>\u7ba1\u7406 ACL<\/h3>\n<p>\u7ba1\u7406\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08Management ACL\uff09\u53ef\u4fdd\u62a4\u4ea4\u6362\u673a\u7684\u7ba1\u7406\u63a5\u53e3\u3002ACL \u5141\u8bb8\u4f60\u6839\u636e IP \u5730\u5740\u548c\u534f\u8bae\u5b9a\u4e49\u5141\u8bb8\u6216\u62d2\u7edd\u7684\u6d41\u91cf\u89c4\u5219\uff0c\u4ece\u800c\u964d\u4f4e\u672a\u6388\u6743\u8bbf\u95ee\u548c\u5b89\u5168\u6f0f\u6d1e\u7684\u98ce\u9669\u3002<\/p>\n<p>\u7ba1\u7406 ACL \u9700\u8981\u5b9a\u671f\u5ba1\u67e5\u548c\u66f4\u65b0\uff1a\u5b9a\u671f\u5ba1\u8ba1 ACL \u7684\u9002\u7528\u6027\u3001\u4f7f\u7528\u5177\u6709\u63cf\u8ff0\u6027\u7684\u547d\u540d\u4e0e\u7f16\u53f7\u89c4\u8303\u3001\u5229\u7528 Cisco \u7684\u65e5\u5fd7\u529f\u80fd\u76d1\u63a7 ACL \u547d\u4e2d\u60c5\u51b5\u3002<\/p>\n<p>\u5728\u914d\u7f6e\u7ba1\u7406 ACL \u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u4ea4\u6362\u673a\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ol>\n<li>\n<p>\u6dfb\u52a0\u4e3b\u673a\u540d\uff0c\u7528\u4e8e\u5728\u5927\u578b\u7f51\u7edc\u4e2d\u533a\u5206\u4e0d\u540c\u4ea4\u6362\u673a\u3002<\/p>\n<\/li>\n<li>\n<p>\u521b\u5efa\u590d\u6742\u5bc6\u7801\u5e76\u542f\u7528\u52a0\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p>\u7981\u7528 Telnet\uff0c\u6539\u7528 SSH\u3002<\/p>\n<\/li>\n<li>\n<p>\u914d\u7f6e ACL\uff0c\u9650\u5236\u80fd\u591f\u8bbf\u95ee SSH \u63a7\u5236\u53f0\u7684\u6765\u6e90\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u914d\u7f6e\u884c\u6dfb\u52a0\u6ce8\u91ca\u4ee5\u4fbf\u4e8e\u7406\u89e3\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u5907\u4efd\u4ea4\u6362\u673a\u914d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528 SNMP v2 \u6216\u66f4\u9ad8\u7248\u672c\u8fdb\u884c\u76d1\u63a7\u4e0e\u7ba1\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u8fde\u63a5\u5176\u4ed6\u4ea4\u6362\u673a\u548c ISP \u7684\u7aef\u53e3\u6dfb\u52a0\u63cf\u8ff0\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u4e0d\u9700\u8981\u65f6\u7981\u7528 Aux \u7aef\u53e3\u3002<\/p>\n<\/li>\n<li>\n<p>\u4fdd\u6301\u4ea4\u6362\u673a\u56fa\u4ef6\u5904\u4e8e\u6700\u65b0\u7248\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>\u642d\u5efa syslog \u670d\u52a1\u5668\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528 DHCP \u4fdd\u62a4\uff08DHCP Guarding\uff09\u4ee5\u963b\u6b62\u4f2a\u9020\u7684 DHCP \u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u5173\u95ed\u672a\u4f7f\u7528\u7aef\u53e3\u6216\u5c06\u5176\u52a0\u5165\u65e0\u8bbf\u95ee\u6743\u9650\u7684 VLAN\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4f60\u7edd\u4e0d\u5e94\u4f7f\u7528\u9ed8\u8ba4 VLAN \u6216 SNMPv1\u3002\u9664\u975e\u5fc5\u8981\uff0c\u4e0d\u8981\u9759\u6001\u8bbe\u7f6e\u53cc\u5de5\u4e0e\u901f\u7387\u3002\u907f\u514d\u4f7f\u7528 DHCP \u4e3a\u5173\u952e IT \u7cfb\u7edf\u5206\u914d IP \u5730\u5740\u3002\u5207\u52ff\u4ee5\u660e\u6587\u5f62\u5f0f\u5b58\u50a8\u5bc6\u7801\u3002<\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u52a0\u56fa\u4ea4\u6362\u673a\u914d\u7f6e\u5e76\u63d0\u5347 PoE \u4ea4\u6362\u673a\u7684\u5b89\u5168\u6027\u3002\u8fd9\u6837\u65e2\u80fd\u4fdd\u62a4\u4ea4\u6362\u673a\u514d\u53d7\u6f0f\u6d1e\u4e0e\u9519\u8bef\u914d\u7f6e\u7684\u5f71\u54cd\uff0c\u4e5f\u53ef\u4ee5\u786e\u4fdd\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7cfb\u7edf\u9ad8\u6548\u8fd0\u884c\uff0c\u4fdd\u969c LAN \u4e0e WAN \u7684\u5b89\u5168\u3002<\/p>\n<h2>\u7269\u7406\u4e0e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236<\/h2>\n<h3>\u7269\u7406\u8bbf\u95ee\u9650\u5236<\/h3>\n<p>\u4f60\u5fc5\u987b\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u7269\u7406\u8bbf\u95ee\u4ea4\u6362\u673a\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u7be1\u6539\u4ea4\u6362\u673a\u6216\u63a5\u5165\u6076\u610f\u8bbe\u5907\u6765\u7834\u574f\u7f51\u7edc\uff0c\u8fd9\u4e9b\u9690\u85cf\u540e\u95e8\u5f80\u5f80\u96be\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u66f4\u65b0\u548c\u626b\u63cf\u53d1\u73b0\u3002\u4f60\u5e94\u5c06\u4ea4\u6362\u673a\u653e\u7f6e\u5728\u5e26\u9501\u7684\u673a\u67dc\u6216\u5b89\u5168\u673a\u623f\u4e2d\uff0c\u4ec5\u5411\u53ef\u4fe1\u5458\u5de5\u5f00\u653e\u3002\u901a\u8fc7\u505c\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3001\u7aef\u53e3\u548c\u534f\u8bae\u6765\u52a0\u56fa\u4ea4\u6362\u673a\u914d\u7f6e\uff0c\u79fb\u9664\u9ed8\u8ba4\u8bbe\u7f6e\u4ee5\u51cf\u5c11\u6f0f\u6d1e\uff0c\u5e76\u4e3a\u7ba1\u7406\u5458\u8d26\u53f7\u8bbe\u7f6e\u5f3a\u5bc6\u7801\uff0c\u9650\u5236\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n<ul>\n<li>\n<p>\u5c06\u4ea4\u6362\u673a\u653e\u7f6e\u5728\u5b89\u5168\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u7269\u7406\u8bbf\u95ee\u9650\u5236\u5728\u6388\u6743\u4eba\u5458\u8303\u56f4\u5185\u3002<\/p>\n<\/li>\n<li>\n<p>\u7981\u7528\u672a\u4f7f\u7528\u7684\u7aef\u53e3\u4e0e\u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u79fb\u9664\u9ed8\u8ba4\u914d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u7ba1\u7406\u5458\u8d26\u53f7\u4f7f\u7528\u5f3a\u5bc6\u7801\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>VLAN \u5206\u6bb5<\/h3>\n<p>VLAN \u5206\u6bb5\u662f\u4ea4\u6362\u673a\u5b89\u5168\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u8bbe\u5907\u89d2\u8272\u8fdb\u884c VLAN \u9694\u79bb\uff0c\u4ece\u800c\u9650\u5236\u5a01\u80c1\u7684\u4f20\u64ad\u8303\u56f4\uff0c\u5e76\u66f4\u5bb9\u6613\u5b9e\u65bd\u4e25\u683c\u7684\u8bbf\u95ee\u63a7\u5236\u3002\u901a\u8fc7\u9694\u79bb\u7f51\u7edc\u6d41\u91cf\uff0c\u53ef\u4ee5\u9632\u6b62\u67d0\u4e00\u5206\u6bb5\u7684\u5165\u4fb5\u5f71\u54cd\u5176\u4ed6\u5206\u6bb5\u3002\u4f60\u53ef\u4ee5\u914d\u5408\u8def\u7531\u5668 ACL \u4e0e\u9632\u706b\u5899\u8fdb\u4e00\u6b65\u5f3a\u5316\u5206\u6bb5\u3002VLAN \u4e0e\u79c1\u6709 VLAN \u63d0\u4f9b\u903b\u8f91\u4e0a\u7684\u9694\u79bb\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u5b89\u5168\u6027\u3002<\/p>\n<ul>\n<li>\n<p>\u57fa\u4e8e\u8bbe\u5907\u5206\u6bb5\u9694\u79bb\u4e0d\u540c\u7f51\u7edc\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u66f4\u5bb9\u6613\u6267\u884c\u7cbe\u7ec6\u5316\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ea4\u6362\u673a\u9632\u706b\u5899\u53ef\u652f\u6301 VLAN\uff0c\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>\u9694\u79bb\u4e0d\u540c\u5206\u6bb5\u53ef\u963b\u6b62\u653b\u51fb\u8005\u6a2a\u5411\u79fb\u52a8\u3002<\/p>\n<\/li>\n<li>\n<p>\u6309\u89d2\u8272\u548c\u529f\u80fd\u8fdb\u884c\u5206\u79bb\uff0c\u6709\u52a9\u4e8e\u63a7\u5236\u6076\u610f\u6d3b\u52a8\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06 LAN \u5212\u5206\u4e3a\u66f4\u5c0f\u7684\u5b50\u7f51\uff0c\u6709\u52a9\u4e8e\u5b9e\u65bd\u66f4\u4e25\u683c\u7684\u63a7\u5236\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u7aef\u53e3\u5b89\u5168<\/h3>\n<p>\u4f01\u4e1a\u7ea7\u4ea4\u6362\u673a\u4e0a\u7684\u7aef\u53e3\u5b89\u5168\u529f\u80fd\u6709\u52a9\u4e8e\u9632\u6b62\u672a\u6388\u6743\u8bbe\u5907\u63a5\u5165\u3002\u4f60\u53ef\u4ee5\u501f\u52a9 802.1x \u8ba4\u8bc1\u63a7\u5236 LAN \u63a5\u5165\uff0c\u5728\u4e0d\u53d7\u4fe1\u4efb\u7aef\u53e3\u4e0a\u542f\u7528 BPDU Guard \u4ee5\u62b5\u5fa1\u76f8\u5173\u653b\u51fb\uff0c\u5b9e\u73b0 IP Source Guard \u4ee5\u9650\u5236\u672a\u6388\u6743\u63a5\u5165\uff0c\u5e76\u7981\u7528\u672a\u4f7f\u7528\u7aef\u53e3\u4ee5\u9632\u6b62\u975e\u6cd5\u63a5\u5165\u3002\u7aef\u53e3\u5b89\u5168\u53ef\u4ee5\u7f13\u89e3 MAC \u5730\u5740\u6b3a\u9a97\u98ce\u9669\uff0c\u4f46\u653b\u51fb\u8005\u4ecd\u53ef\u80fd\u4f2a\u9020 MAC \u5730\u5740\u7ed5\u8fc7\u8fc7\u6ee4\u3002\u56e0\u6b64\uff0c\u4ec5\u4f9d\u9760\u7aef\u53e3\u5b89\u5168\u5e76\u4e0d\u8db3\u4ee5\u5b9e\u73b0\u5168\u9762\u9632\u62a4\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u529f\u80fd<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>IEEE 802.1x<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8981\u6c42\u7528\u6237\u6216\u8bbe\u5907\u5728\u63a5\u5165\u524d\u5b8c\u6210\u8eab\u4efd\u8ba4\u8bc1\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>VLAN \u8df3\u8dc3\u9632\u62a4<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u963b\u6b62\u653b\u51fb\u8005\u8bbf\u95ee\u4ea4\u6362\u673a\u4e0a\u7684\u5176\u4ed6 VLAN\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5355\u64ad\u6cdb\u6d2a\u9632\u62a4<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9650\u5236\u5355\u64ad\u6cdb\u6d2a\uff0c\u5bf9\u4ea7\u751f\u8fc7\u591a\u6cdb\u6d2a\u7684\u7aef\u53e3\u8fdb\u884c\u5173\u95ed\u6216\u9650\u901f\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>DHCP \u55c5\u63a2<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9a8c\u8bc1 DHCP \u670d\u52a1\u5668\u662f\u5426\u5408\u6cd5\uff0c\u786e\u4fdd\u53ea\u4f7f\u7528\u6388\u6743\u670d\u52a1\u5668\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>MAC \u5730\u5740\u9650\u5236<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9650\u5236\u6bcf\u4e2a\u7aef\u53e3\u53ef\u5b66\u4e60\u7684 MAC \u5730\u5740\u6570\u91cf\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7981\u7528\u672a\u7528\u7aef\u53e3<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u901a\u8fc7\u7981\u7528\u672a\u4f7f\u7528\u7aef\u53e3\u9632\u6b62\u672a\u6388\u6743\u63a5\u5165\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5c06\u7aef\u53e3\u5b89\u5168\u4e0e VLAN \u5206\u6bb5\u53ca\u7269\u7406\u8bbf\u95ee\u9650\u5236\u76f8\u7ed3\u5408\uff0c\u53ef\u5728 LAN \u4e0e WAN \u73af\u5883\u4e2d\u6784\u5efa\u66f4\u5f3a\u7684\u4ea4\u6362\u673a\u5b89\u5168\u4f53\u7cfb\u3002<\/p>\n<\/blockquote>\n<h2>\u63a7\u5236\u5e73\u9762\u9632\u62a4<\/h2>\n<h3>\u534f\u8bae\u5b89\u5168<\/h3>\n<p>\u4f60\u9700\u8981\u4fdd\u62a4\u4ea4\u6362\u673a\u63a7\u5236\u5e73\u9762\uff0c\u9632\u6b62\u9488\u5bf9\u5173\u952e\u7f51\u7edc\u534f\u8bae\u7684\u653b\u51fb\u3002\u653b\u51fb\u8005\u7ecf\u5e38\u805a\u7126\u4e8e\u7ba1\u7406\u8def\u7531\u4e0e\u62d3\u6251\u7684\u534f\u8bae\uff0c\u5982\u679c\u8fd9\u4e9b\u534f\u8bae\u672a\u52a0\u56fa\uff0c\u4f60\u7684 LAN \u6216 WAN \u53ef\u80fd\u53d8\u5f97\u6781\u4e0d\u7a33\u5b9a\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u4e00\u4e9b\u5728\u63a7\u5236\u5e73\u9762\u653b\u51fb\u4e2d\u6700\u5e38\u88ab\u7784\u51c6\u7684\u534f\u8bae\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u534f\u8bae\u540d\u79f0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u751f\u6210\u6811\u534f\u8bae\uff08STP\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u4e8e\u9632\u6b62\u7f51\u7edc\u62d3\u6251\u4e2d\u4e8c\u5c42\u73af\u8def\u7684\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fb9\u754c\u7f51\u5173\u534f\u8bae\uff08BGP\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u81ea\u6cbb\u7cfb\u7edf\u4e4b\u95f4\u4ea4\u6362\u8def\u7531\u4fe1\u606f\u7684\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u589e\u5f3a\u578b\u5185\u90e8\u7f51\u5173\u8def\u7531\u534f\u8bae\uff08EIGRP\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9ad8\u7ea7\u8ddd\u79bb\u77e2\u91cf\u8def\u7531\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8def\u7531\u4fe1\u606f\u534f\u8bae\uff08RIP\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4ee5\u8df3\u6570\u4f5c\u4e3a\u8def\u7531\u5ea6\u91cf\u7684\u8ddd\u79bb\u77e2\u91cf\u8def\u7531\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e2d\u95f4\u7cfb\u7edf\u5230\u4e2d\u95f4\u7cfb\u7edf\u534f\u8bae\uff08IS-IS\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u4e8e\u5927\u578b\u7f51\u7edc\u7684\u94fe\u8def\u72b6\u6001\u8def\u7531\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f00\u653e\u6700\u77ed\u8def\u5f84\u4f18\u5148\u534f\u8bae\uff08OSPF\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u4e8e IP \u7f51\u7edc\u7684\u94fe\u8def\u72b6\u6001\u8def\u7531\u534f\u8bae\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4f60\u5e94\u59cb\u7ec8\u4e3a\u8fd9\u4e9b\u534f\u8bae\u542f\u7528\u8ba4\u8bc1\u4e0e\u52a0\u5bc6\uff0c\u5c06\u534f\u8bae\u8bbf\u95ee\u9650\u5236\u5728\u53d7\u4fe1\u4efb\u8bbe\u5907\u8303\u56f4\u5185\uff0c\u5e76\u76d1\u63a7\u76f8\u5173\u6d41\u91cf\u662f\u5426\u5b58\u5728\u5f02\u5e38\u884c\u4e3a\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u7ef4\u6301\u4ea4\u6362\u673a\u5b89\u5168\u5e76\u4fdd\u6301\u7f51\u7edc\u7a33\u5b9a\u3002<\/p>\n<h3>STP \u9632\u62a4<\/h3>\n<p>\u751f\u6210\u6811\u534f\u8bae\uff08STP\uff09\u53ef\u4ee5\u4fdd\u6301\u7f51\u7edc\u65e0\u73af\u3002\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528 STP \u6765\u7834\u574f\u7f51\u7edc\u3002\u4f60\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u6765\u4fdd\u62a4\u4ea4\u6362\u673a\u4e0a\u7684 STP\uff1a<\/p>\n<ul>\n<li>\n<p>\u5728\u6761\u4ef6\u5141\u8bb8\u65f6\uff0c\u5c06 VLAN \u9650\u5236\u5728\u5355\u4e2a\u5f31\u7535\u95f4\u5185\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u5f3a\u5236\u6a21\u5f0f\u4e0b\u542f\u7528\u5355\u5411\u94fe\u8def\u68c0\u6d4b\uff08UDLD\uff09\uff0c\u9632\u6b62\u5355\u5411\u94fe\u8def\u5bfc\u81f4\u73af\u8def\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528 BPDU Guard\u3001Loop Guard\u3001Root Guard \u7b49\u9632\u62a4\u7279\u6027\uff0c\u963b\u6b62\u5bf9\u751f\u6210\u6811\u7684\u4e0d\u5f53\u4fee\u6539\u3002<\/p>\n<\/li>\n<li>\n<p>\u7981\u7528\u52a8\u6001\u4e2d\u7ee7\u534f\u8bae\uff08DTP\uff09\uff0c\u9632\u6b62\u81ea\u52a8\u534f\u5546\u751f\u6210\u4e2d\u7ee7\u94fe\u8def\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u672a\u4f7f\u7528\u7aef\u53e3\u653e\u5165\u672a\u5b9a\u4e49 VLAN \u5e76\u5173\u95ed\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5728\u6240\u6709\u9762\u5411\u7528\u6237\u6216\u4e0d\u53d7\u4fe1\u4efb\u7684\u63a5\u5165\u7aef\u53e3\u4e0a\u542f\u7528 BPDU Guard\uff0c\u53ef\u963b\u6b62\u975e\u6cd5\u4ea4\u6362\u673a\u6539\u53d8 STP \u62d3\u6251\uff1b\u5728\u6240\u6709\u975e\u6307\u5b9a\u7aef\u53e3\u542f\u7528 STP Loop Guard \u4ee5\u83b7\u5f97\u989d\u5916\u4fdd\u62a4\u3002<\/p>\n<\/blockquote>\n<p>\u8fd9\u4e9b\u63aa\u65bd\u5c06\u5e2e\u52a9\u4f60\u62b5\u5fa1\u57fa\u4e8e STP \u7684\u653b\u51fb\uff0c\u4fdd\u969c LAN \u4e0e WAN \u7684\u5b89\u5168\u3002<\/p>\n<h3>\u63a7\u5236\u5e73\u9762\u7b56\u7565\uff08CoPP\uff09<\/h3>\n<p>\u63a7\u5236\u5e73\u9762\u7b56\u7565\uff08CoPP\uff09\u53ef\u4ee5\u4fdd\u62a4\u4ea4\u6362\u673a\u514d\u53d7\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u4f60\u53ef\u4ee5\u5229\u7528 CoPP \u5bf9\u63a7\u5236\u7c7b\u534f\u8bae\u6d41\u91cf\u8fdb\u884c\u9650\u901f\uff0c\u9632\u6b62\u653b\u51fb\u8005\u901a\u8fc7\u5927\u91cf\u6d41\u91cf\u6df9\u6ca1\u4ea4\u6362\u673a CPU\u3002\u901a\u8fc7\u5bf9\u6d41\u91cf\u8fdb\u884c\u5206\u7c7b\u548c\u9650\u901f\uff0c\u4f60\u53ef\u4ee5\u963b\u6b62\u6076\u610f\u6d41\u91cf\u5360\u7528\u8fc7\u591a CPU \u8d44\u6e90\uff0c\u4ece\u800c\u4fdd\u6301\u4ea4\u6362\u673a\u7a33\u5b9a\u8fd0\u884c\uff0c\u4fdd\u969c\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n<p>\u5728 Cisco \u4ea4\u6362\u673a\u4e2d\uff0cCoPP \u5141\u8bb8\u4f60\u521b\u5efa QoS \u7b56\u7565\uff0c\u4ee5\u4fdd\u62a4\u63a7\u5236\u5e73\u9762\u4e0d\u53d7\u4fa6\u5bdf\u548c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u7684\u5f71\u54cd\u3002\u8fd9\u6837\u53ef\u4ee5\u6301\u7eed\u5f3a\u5316\u4ea4\u6362\u673a\u5b89\u5168\uff0c\u5e76\u4fdd\u6301\u7f51\u7edc\u7684\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n<h2>\u6570\u636e\u5e73\u9762\u5b89\u5168<\/h2>\n<p>\u4f60\u5fc5\u987b\u4fdd\u62a4\u4ea4\u6362\u673a\u7684\u6570\u636e\u5e73\u9762\uff0c\u624d\u80fd\u4fdd\u969c LAN \u4e0e WAN \u7684\u6574\u4f53\u5b89\u5168\u3002\u653b\u51fb\u8005\u5e38\u5e38\u9488\u5bf9\u8fd9\u4e00\u5c42\u6765\u4e2d\u65ad\u6d41\u91cf\u6216\u83b7\u53d6\u672a\u6388\u6743\u8bbf\u95ee\u3002\u4f60\u53ef\u4ee5\u90e8\u7f72\u7aef\u53e3\u5b89\u5168\u529f\u80fd\u6765\u9632\u5fa1\u8fd9\u4e9b\u5a01\u80c1\uff0c\u5e76\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u8bc6\u522b\u53ef\u7591\u884c\u4e3a\u3002<\/p>\n<h3>MAC \u5730\u5740\u8fc7\u6ee4<\/h3>\n<p>MAC \u5730\u5740\u8fc7\u6ee4\u4e3a\u9650\u5236\u7f51\u7edc\u8bbf\u95ee\u63d0\u4f9b\u4e86\u4e00\u79cd\u57fa\u7840\u624b\u6bb5\u3002\u4f60\u53ef\u4ee5\u4ec5\u5141\u8bb8\u5177\u6709\u5df2\u6279\u51c6 MAC \u5730\u5740\u7684\u8bbe\u5907\u63a5\u5165\uff0c\u4ece\u800c\u963b\u6b62\u672a\u77e5\u8bbe\u5907\u52a0\u5165\u7f51\u7edc\u3002\u4e0d\u8fc7\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u4f2a\u9020 MAC \u5730\u5740\u7ed5\u8fc7\u8fd9\u4e00\u63a7\u5236\u3002\u5f53\u8bbe\u5907\u53d8\u52a8\u9891\u7e41\u65f6\uff0cMAC \u7ba1\u7406\u4e5f\u4f1a\u6210\u4e3a\u8d1f\u62c5\u3002MAC \u8fc7\u6ee4\u672c\u8eab\u5e76\u4e0d\u5bf9\u6d41\u91cf\u8fdb\u884c\u52a0\u5bc6\uff0c\u6570\u636e\u4ecd\u6709\u88ab\u7a83\u542c\u7684\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u4f60\u4e0d\u80fd\u53ea\u4f9d\u8d56\u8fd9\u4e00\u673a\u5236\u6765\u5b9e\u73b0\u4ea4\u6362\u673a\u5b89\u5168\uff0c\u800c\u5e94\u5c06\u5176\u4e0e\u66f4\u5f3a\u7684\u63aa\u65bd\u548c\u6301\u7eed\u76d1\u63a7\u76f8\u7ed3\u5408\u3002<\/p>\n<ul>\n<li>\n<p>MAC \u5730\u5740\u8fc7\u6ee4\u57fa\u4e8e\u8bbe\u5907 MAC \u5730\u5740\u9650\u5236\u63a5\u5165\u3002<\/p>\n<\/li>\n<li>\n<p>\u653b\u51fb\u8005\u53ef\u4ee5\u4f2a\u9020 MAC \u5730\u5740\u4ee5\u83b7\u53d6\u672a\u6388\u6743\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u8bbe\u5907\u9891\u7e41\u53d8\u66f4\u7684\u73af\u5883\u4e2d\uff0cMAC \u7ba1\u7406\u5341\u5206\u7e41\u7410\u3002<\/p>\n<\/li>\n<li>\n<p>MAC \u8fc7\u6ee4\u4e0d\u52a0\u5bc6\u6d41\u91cf\uff0c\u6570\u636e\u4ecd\u53ef\u80fd\u88ab\u62e6\u622a\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f60\u5fc5\u987b\u5c06 MAC \u8fc7\u6ee4\u4f5c\u4e3a\u6574\u4f53\u5b89\u5168\u7b56\u7565\u7684\u4e00\u90e8\u5206\u6765\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>DHCP \u55c5\u63a2<\/h3>\n<p>DHCP \u55c5\u63a2\u53ef\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u4f2a\u9020 DHCP \u670d\u52a1\u5668\u7684\u5f71\u54cd\u3002\u4f60\u53ef\u4ee5\u5c06\u4ea4\u6362\u673a\u7aef\u53e3\u5212\u5206\u4e3a\u53ef\u4fe1\u4e0e\u4e0d\u53ef\u4fe1\u7aef\u53e3\uff1a\u53ea\u6709\u53ef\u4fe1\u7aef\u53e3\u53ef\u4ee5\u53d1\u9001 DHCP \u54cd\u5e94\uff0c\u4e0d\u53ef\u4fe1\u7aef\u53e3\u5219\u65e0\u6cd5\u53d1\u51fa\u4f2a\u9020\u7684 IP \u5730\u5740\u3002DHCP \u55c5\u63a2\u4f1a\u6784\u5efa\u4e00\u4e2a\u7ed1\u5b9a\u8868\uff0c\u7528\u4e8e\u8bb0\u5f55 IP \u4e0e MAC \u5730\u5740\uff0c\u8be5\u8868\u6709\u52a9\u4e8e\u4f60\u5b9e\u65bd\u7aef\u53e3\u5b89\u5168\u529f\u80fd\u5e76\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u3002\u4f60\u53ef\u4ee5\u5c06 DHCP \u55c5\u63a2\u4e0e\u52a8\u6001 ARP \u68c0\u67e5\u548c IP Source Guard \u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u83b7\u5f97\u66f4\u5f3a\u7684\u4fdd\u62a4\u3002<\/p>\n<ul>\n<li>\n<p>DHCP \u55c5\u63a2\u786e\u4fdd\u53ea\u6709\u5408\u6cd5\u7684 DHCP \u670d\u52a1\u5668\u5206\u914d IP \u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b83\u4f1a\u963b\u6b62\u6765\u81ea\u4e0d\u53ef\u4fe1\u7aef\u53e3\u7684\u672a\u6388\u6743 DHCP \u62a5\u6587\u3002<\/p>\n<\/li>\n<li>\n<p>\u7ed1\u5b9a\u8868\u53ef\u63d0\u5347\u6574\u4f53\u5b89\u5168\u6027\u5e76\u652f\u6301\u5176\u4ed6\u5b89\u5168\u7279\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5728\u6240\u6709\u63a5\u5165\u5c42\u4ea4\u6362\u673a\u4e0a\u542f\u7528 DHCP \u55c5\u63a2\uff0c\u9632\u6b62\u653b\u51fb\u8005\u5206\u53d1\u6076\u610f IP \u914d\u7f6e\u3002<\/p>\n<\/blockquote>\n<h3>ARP \u68c0\u67e5<\/h3>\n<p>\u52a8\u6001 ARP \u68c0\u67e5\uff08DAI\uff09\u6709\u52a9\u4e8e\u9632\u6b62 ARP \u6b3a\u9a97\u653b\u51fb\u3002DAI \u4f1a\u5c06 ARP \u62a5\u6587\u4e0e\u5408\u6cd5\u7ed1\u5b9a\u6570\u636e\u5e93\u8fdb\u884c\u6bd4\u5bf9\uff0c\u53ea\u6709\u5408\u6cd5\u7684 ARP \u54cd\u5e94\u624d\u5141\u8bb8\u901a\u8fc7\u4ea4\u6362\u673a\u3002\u653b\u51fb\u8005\u65e0\u6cd5\u53d1\u9001\u865a\u5047\u7684 ARP \u54cd\u5e94\u6765\u91cd\u5b9a\u5411\u6d41\u91cf\u3002\u8fd9\u4e00\u9a8c\u8bc1\u8fc7\u7a0b\u53ef\u4ee5\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u622a\u83b7\u4e0e\u7be1\u6539\u3002\u4f60\u5fc5\u987b\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u4e2d\u5f02\u5e38\u7684 ARP \u6d3b\u52a8\uff0c\u5e76\u5728\u6240\u6709\u5173\u952e\u7aef\u53e3\u542f\u7528 DAI\u3002<\/p>\n<blockquote>\n<p>\u6ce8\u610f\uff1aDAI \u4e0e DHCP \u55c5\u63a2\u548c\u7aef\u53e3\u5b89\u5168\u914d\u5408\u4f7f\u7528\u6548\u679c\u6700\u4f73\uff0c\u4f60\u53ef\u4ee5\u501f\u6b64\u8fdb\u4e00\u6b65\u5f3a\u5316\u4ea4\u6362\u673a\u5b89\u5168\uff0c\u4fdd\u62a4 LAN \u4e0e WAN\u3002<\/p>\n<\/blockquote>\n<h3>IP Source Guard<\/h3>\n<p>IP Source Guard \u53ef\u963b\u6b62\u8bbe\u5907\u4f7f\u7528\u672a\u6388\u6743\u7684 IP \u5730\u5740\u3002\u5b83\u4f9d\u8d56 DHCP \u55c5\u63a2\u7ed1\u5b9a\u8868\u9a8c\u8bc1\u5165\u7ad9\u6d41\u91cf\u3002\u5982\u679c\u67d0\u8bbe\u5907\u53d1\u9001\u7684\u6d41\u91cf\u6240\u4f7f\u7528\u7684 IP \u5730\u5740\u672a\u5728\u8868\u4e2d\u8bb0\u5f55\uff0c\u4ea4\u6362\u673a\u5c31\u4f1a\u5c06\u5176\u62e6\u622a\u3002\u8be5\u529f\u80fd\u6709\u52a9\u4e8e\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u548c ARP \u6b3a\u9a97\u3002\u4f60\u8fd8\u9700\u8981\u914d\u5408\u5b9e\u65bd\u7aef\u53e3\u5b89\u5168\u5e76\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u53ca\u65e9\u8bc6\u522b\u53ef\u7591\u884c\u4e3a\u3002<\/p>\n<p>IP Source Guard \u80fd\u591f\u589e\u5f3a\u63a5\u5165\u5c42\u4ea4\u6362\u673a\u7684\u5b89\u5168\u6027\uff0c\u786e\u4fdd\u8bbe\u5907\u53ea\u80fd\u4f7f\u7528\u5206\u914d\u7ed9\u81ea\u5df1\u7684 IP \u5730\u5740\uff0c\u4ece\u800c\u4fdd\u6301\u7f51\u7edc\u7a33\u5b9a\u5e76\u964d\u4f4e\u98ce\u9669\u3002<\/p>\n<h3>\u98ce\u66b4\u63a7\u5236<\/h3>\n<p>\u98ce\u66b4\u63a7\u5236\u53ef\u4ee5\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u5e7f\u64ad\u98ce\u66b4\u5f71\u54cd\u3002\u4f60\u53ef\u4ee5\u4e3a\u5e7f\u64ad\u3001\u591a\u64ad\u53ca\u672a\u77e5\u5355\u64ad\u6d41\u91cf\u8bbe\u7f6e\u9608\u503c\uff0c\u5f53\u6d41\u91cf\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u98ce\u66b4\u63a7\u5236\u4f1a\u5bf9\u5176\u8fdb\u884c\u963b\u65ad\u6216\u9650\u901f\uff0c\u4ece\u800c\u907f\u514d\u7f51\u7edc\u762b\u75ea\u5e76\u8ba9\u4ea4\u6362\u673a\u4fdd\u6301\u53ef\u7528\u72b6\u6001\u3002\u4f60\u5fc5\u987b\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u9608\u503c\u3002<\/p>\n<ul>\n<li>\n<p>\u98ce\u66b4\u63a7\u5236\u9650\u5236\u8fc7\u91cf\u5e7f\u64ad\u3001\u591a\u64ad\u53ca\u672a\u77e5\u5355\u64ad\u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b83\u53ef\u4ee5\u9632\u6b62\u7f51\u7edc\u4e2d\u65ad\u5e76\u4fdd\u6301\u5197\u4f59\u673a\u5236\u6709\u6548\u3002<\/p>\n<\/li>\n<li>\n<p>\u73af\u8def\u9632\u62a4\u534f\u8bae\u4e0e\u98ce\u66b4\u63a7\u5236\u5171\u540c\u5bf9\u5e7f\u64ad\u6d41\u91cf\u8fdb\u884c\u9650\u901f\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u8b66\u793a\uff1a\u52a1\u5fc5\u5728\u6240\u6709\u4ea4\u6362\u673a\u7aef\u53e3\u4e0a\u542f\u7528\u98ce\u66b4\u63a7\u5236\uff0c\u4ee5\u964d\u4f4e\u7f51\u7edc\u6545\u969c\u98ce\u9669\u5e76\u4fdd\u62a4 LAN \u4e0e WAN\u3002<\/p>\n<\/blockquote>\n<p>\u4f60\u5fc5\u987b\u843d\u5b9e\u7aef\u53e3\u5b89\u5168\u529f\u80fd\u3001\u7981\u7528\u672a\u4f7f\u7528\u7aef\u53e3\u5e76\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u624d\u80fd\u7ef4\u6301\u5f3a\u5065\u7684\u4ea4\u6362\u673a\u5b89\u5168\u3002\u8fd9\u4e9b\u63aa\u65bd\u80fd\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u5a01\u80c1\u5e76\u4fdd\u969c\u4e1a\u52a1\u6d41\u91cf\u5b89\u5168\u3002<\/p>\n<h2>\u6301\u7eed\u7684\u4ea4\u6362\u673a\u5b89\u5168\u7ef4\u62a4<\/h2>\n<h3>\u56fa\u4ef6\u66f4\u65b0<\/h3>\n<p>\u4e3a\u4e86\u62b5\u5fa1\u6700\u65b0\u7684\u7f51\u7edc\u5a01\u80c1\uff0c\u4f60\u9700\u8981\u4fdd\u6301\u4ea4\u6362\u673a\u53ca\u76f8\u5173\u8bbe\u5907\u5904\u4e8e\u6700\u65b0\u72b6\u6001\u3002\u5382\u5546\u4f1a\u53d1\u5e03\u56fa\u4ef6\u8865\u4e01\uff0c\u4ee5\u4fee\u590d\u65b0\u53d1\u73b0\u7684\u6f0f\u6d1e\u5e76\u63d0\u5347\u6027\u80fd\u3002\u4f60\u5e94\u5c06\u6253\u8865\u4e01\u89c6\u4e3a\u5468\u671f\u6027\u7ef4\u62a4\u4efb\u52a1\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u64cd\u4f5c\u3002\u5982\u679c\u5ffd\u89c6\u66f4\u65b0\uff0c\u5c31\u4f1a\u8ba9\u7f51\u7edc\u66b4\u9732\u5728\u653b\u51fb\u9762\u524d\uff0c\u5e76\u524a\u5f31\u65e2\u6709\u5b89\u5168\u63a7\u5236\u7684\u6548\u679c\u3002<\/p>\n<p>\u901a\u8fc7\u5b9a\u671f\u66f4\u65b0\u56fa\u4ef6\u4e0e\u8f6f\u4ef6\uff0c\u4f60\u53ef\u4ee5\u4ec5\u51ed\u201c\u4fdd\u6301\u7f51\u7edc\u6700\u65b0\u201d\u8fd9\u4e00\u70b9\uff0c\u5c31\u5728\u7f51\u7edc\u5b89\u5168\u3001\u9632\u6b62\u6027\u80fd\u95ee\u9898\u548c\u62b5\u5fa1\u65b0\u5174\u6f0f\u6d1e\u65b9\u9762\u53d6\u5f97\u663e\u8457\u6210\u6548\u3002<\/p>\n<p>\u4e3a\u6b64\uff0c\u5e94\u5236\u5b9a\u56fa\u5b9a\u8ba1\u5212\u68c0\u67e5\u5382\u5546\u7684\u56fa\u4ef6\u53d1\u5e03\u4fe1\u606f\uff0c\u5148\u5728\u5b9e\u9a8c\u73af\u5883\u4e2d\u6d4b\u8bd5\u66f4\u65b0\uff0c\u518d\u63a8\u9001\u81f3 LAN \u4e0e WAN \u751f\u4ea7\u4ea4\u6362\u673a\u3002\u8bb0\u5f55\u6bcf\u4e00\u6b21\u8865\u4e01\u5468\u671f\uff0c\u5e76\u4fdd\u7559\u65e7\u7248\u672c\u56fa\u4ef6\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u8fdb\u884c\u56de\u6eda\u3002<\/p>\n<h3>\u65e5\u5fd7\u76d1\u63a7<\/h3>\n<p>\u6709\u6548\u7684\u76d1\u63a7\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u5b89\u5168\u95ee\u9898\u5347\u7ea7\u4e3a\u91cd\u5927\u4e8b\u4ef6\u4e4b\u524d\uff0c\u53ca\u65f6\u53d1\u73b0\u53ef\u7591\u6d3b\u52a8\u3002\u901a\u8fc7\u96c6\u4e2d\u5316\u65e5\u5fd7\uff0c\u4f60\u53ef\u4ee5\u5c06\u6240\u6709\u4ea4\u6362\u673a\u8bb0\u5f55\u6c47\u603b\u5230\u4e00\u4e2a\u5730\u65b9\uff0c\u4fbf\u4e8e\u66f4\u5feb\u8bc6\u522b\u95ee\u9898\u3002\u4f60\u5e94\u5c3d\u91cf\u81ea\u52a8\u5316\u5927\u90e8\u5206\u76d1\u63a7\u5de5\u4f5c\uff0c\u4f46\u540c\u65f6\u8981\u5b9a\u671f\u624b\u52a8\u5ba1\u67e5\u544a\u8b66\u548c\u6d41\u91cf\u60c5\u51b5\u3002<\/p>\n<ul>\n<li>\n<p>\u96c6\u4e2d\u65e5\u5fd7\u91c7\u96c6\uff1a\u4f7f\u7528\u96c6\u4e2d\u5316\u65e5\u5fd7\u89e3\u51b3\u65b9\u6848\uff0c\u7b80\u5316\u8bbf\u95ee\u4e0e\u5206\u6790\u3002<\/p>\n<\/li>\n<li>\n<p>\u5efa\u7acb\u5b9e\u65f6\u76d1\u63a7\uff1a\u914d\u7f6e\u5b9e\u65f6\u544a\u8b66\u4e0e\u53ef\u89c6\u5316\u770b\u677f\uff0c\u83b7\u53d6\u5373\u65f6\u6d1e\u5bdf\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u65bd\u65e5\u5fd7\u805a\u5408\uff1a\u7edf\u4e00\u65e5\u5fd7\u683c\u5f0f\uff0c\u4fbf\u4e8e\u5206\u6790\u4e0e\u5173\u8054\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f00\u5c55\u6709\u6548\u65e5\u5fd7\u5206\u6790\uff1a\u5b9a\u671f\u5206\u6790\u65e5\u5fd7\u4e2d\u7684\u6a21\u5f0f\u4e0e\u8d8b\u52bf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4fdd\u62a4\u65e5\u5fd7\u5b58\u50a8\uff1a\u542f\u7528\u52a0\u5bc6\u5e76\u5236\u5b9a\u6570\u636e\u4fdd\u7559\u7b56\u7565\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528 SNORT 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LAN \u4e0e WAN \u4e2d\u8513\u5ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u6062\u590d\u9636\u6bb5\uff1a\u6062\u590d\u6b63\u5e38\u4e1a\u52a1\u3001\u66f4\u65b0\u6587\u6863\uff0c\u5e76\u67e5\u627e\u9632\u6b62\u7c7b\u4f3c\u4e8b\u4ef6\u518d\u53d1\u7684\u6539\u8fdb\u63aa\u65bd\u3002<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5b9a\u671f\u6f14\u7ec3\u5e76\u66f4\u65b0\u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212\uff0c\u53ef\u4ee5\u786e\u4fdd\u56e2\u961f\u59cb\u7ec8\u4e3a\u65b0\u5a01\u80c1\u505a\u597d\u51c6\u5907\u3002<\/p>\n<\/blockquote>\n<div dividerstyle=\"solid\" size=\"large\" color=\"#D1D1D1\" class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid; width: 100%; border-top-color: rgb(209, 209, 209);\"><\/div>\n<\/div>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e00\u7cfb\u5217\u660e\u786e\u6b65\u9aa4\u6765\u5f3a\u5316\u4ea4\u6362\u673a\u5b89\u5168\uff1a\u4e3a\u6bcf\u53f0\u4ea4\u6362\u673a\u5b9e\u65bd\u4e25\u683c\u8bbf\u95ee\u63a7\u5236\u548c\u6301\u7eed\u76d1\u63a7\uff0c\u9891\u7e41\u66f4\u65b0\u56fa\u4ef6\u4ee5\u963b\u6321\u65b0\u51fa\u73b0\u7684\u5b89\u5168\u5a01\u80c1\uff0c\u91c7\u7528\u5206\u5c42\u9632\u62a4\u7b56\u7565\u6765\u4fdd\u62a4 LAN \u4e0e WAN\u3002\u65f6\u523b\u5173\u6ce8\u7f51\u7edc\u98ce\u9669\u7684\u53d8\u5316\uff0c\u6301\u7eed\u5b66\u4e60\u65b0\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u624d\u80fd\u4fdd\u6301\u5b89\u5168\u9632\u62a4\u7684\u6709\u6548\u6027\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u4ea4\u6362\u673a\u5b89\u5168\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u6b65\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u4f60\u5e94\u59cb\u7ec8\u5148\u66f4\u6539\u9ed8\u8ba4\u5bc6\u7801\u5e76\u7981\u7528\u672a\u4f7f\u7528\u7aef\u53e3\u3002\u8fd9\u4e9b\u63aa\u65bd\u53ef\u4ee5\u5c01\u5835\u653b\u51fb\u8005\u6700\u5bb9\u6613\u5229\u7528\u7684\u5165\u53e3\u3002\u5f3a\u5bc6\u7801\u4e0e\u7aef\u53e3\u7ba1\u7406\u6784\u6210\u4e86\u4ea4\u6362\u673a\u5b89\u5168\u7684\u57fa\u7840\u3002<\/p>\n<h3>\u4ea4\u6362\u673a\u56fa\u4ef6\u591a\u4e45\u66f4\u65b0\u4e00\u6b21\u6bd4\u8f83\u5408\u9002\uff1f<\/h3>\n<p>\u4f60\u9700\u8981\u81f3\u5c11\u6bcf\u6708\u68c0\u67e5\u4e00\u6b21\u662f\u5426\u6709\u56fa\u4ef6\u66f4\u65b0\u3002\u5382\u5546\u4f1a\u901a\u8fc7\u8865\u4e01\u4fee\u590d\u5b89\u5168\u7f3a\u9677\uff0c\u5b9a\u671f\u66f4\u65b0\u53ef\u4ee5\u8ba9\u4ea4\u6362\u673a\u514d\u53d7\u65b0\u5a01\u80c1\u7684\u653b\u51fb\u3002<\/p>\n<h3>\u4ec5\u9760 VLAN \u5c31\u80fd\u4fdd\u62a4\u7f51\u7edc\u5b89\u5168\u5417\uff1f<\/h3>\n<p>VLAN \u6709\u52a9\u4e8e\u9694\u79bb\u6d41\u91cf\uff0c\u4f46\u4f60\u5fc5\u987b\u5c06\u5176\u4e0e\u8bbf\u95ee\u63a7\u5236\u548c\u7aef\u53e3\u5b89\u5168\u7ed3\u5408\u4f7f\u7528\u3002VLAN \u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u6269\u6563\u8303\u56f4\uff0c\u4f46\u653b\u51fb\u8005\u4ecd\u53ef\u80fd\u5229\u7528\u8584\u5f31\u914d\u7f6e\u53d1\u8d77\u653b\u51fb\u3002<\/p>\n<h3>\u5982\u679c\u5728\u4ea4\u6362\u673a\u4e0a\u53d1\u73b0\u53ef\u7591\u6d3b\u52a8\u5e94\u8be5\u600e\u4e48\u505a\uff1f<\/h3>\n<p>\u4f60\u5fc5\u987b\u8fc5\u901f\u884c\u52a8\uff1a\u65ad\u5f00\u53d7\u5f71\u54cd\u7aef\u53e3\uff0c\u5ba1\u67e5\u65e5\u5fd7\u5e76\u901a\u77e5 IT 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