{"id":894,"date":"2023-06-01T13:46:46","date_gmt":"2023-06-01T05:46:46","guid":{"rendered":"http:\/\/xinyixx.com\/?p=894"},"modified":"2023-06-01T14:01:15","modified_gmt":"2023-06-01T06:01:15","slug":"gre","status":"publish","type":"post","link":"https:\/\/www.xinyixx.com\/index.php\/2023\/06\/01\/gre\/","title":{"rendered":"HCIE\u5b66\u4e60\u4e4b\u8def1\uff1aGRE\u96a7\u9053\u5b9e\u9a8c"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u8fd9\u4e24\u5929\u81ea\u5df1\u8c0b\u5212\u7740\u6253\u7b97\u5199\u4e00\u4e2a\u65b0\u7684\u5206\u7c7b\uff1a\u7f51\u7edc\u3002\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5f52\u8001\u672c\u884c\uff0c\u540c\u6837\u4e5f\u5206\u4eab\u4e00\u4e9b\u5e38\u7528\u7684\u7f51\u7edc\u77e5\u8bc6\uff0c\u4ee5\u4fbf\u5171\u540c\u8fdb\u6b65\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\u4e2d\u5b9e\u9a8cip\u547d\u4ee4\u4e00\u822c\u6839\u636e\u8bbe\u5907\u7f16\u53f7\u8bbe\u7f6e\uff0c\u6bd4\u5982\uff1ar1\u81f3r2\u7684\u94fe\u8def\u4e00\u822c\u662f12.0.0.0\uff0cr1\u7684ospf\u533a\u57dfid\u662f1.1.1.1\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u4e00\u822c\u63a5\u53e3\u914d\u7f6e\u4e3a\u540c\u4e00\u7c7b\u578b\u8bbe\u5907\u662f\u540c\u4e00\u7aef\u53e3\u540c\u4e00\u7c7b\u578b\u914d\u7f6e\uff0c\u4f8b\u5982\u3002\u8fb9\u754c\u8def\u7531\u5668\uff0c\u5185\u90e8\u8def\u7531\u5668\uff0cABR\u548cASBR\u3002\u8be5\u5b9e\u4f8b\u62d3\u6251\u5982\u4e0b\u56fe\u6240\u793a\uff0c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"883\" height=\"592\" src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image.png\" alt class=\"wp-image-895\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image.png 883w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-300x201.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-768x515.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-360x240.png 360w\" sizes=\"(max-width: 883px) 100vw, 883px\"><\/noscript><img decoding=\"async\" width=\"883\" height=\"592\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20883%20592%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-895 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20883%20592%22%3E%3C%2Fsvg%3E 883w\" sizes=\"(max-width: 883px) 100vw, 883px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image.png 883w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-300x201.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-768x515.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-360x240.png 360w\" data-src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image.png\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u8def\u7531\u5668\u5212AR1\u548cAR3\u5212\u5206192.168.10.x\u548c192.168.20.x\u4e24\u4e2a\u7f51\u6bb5\uff0c\u5199\u5165\u4e86\u63a5\u53e3dhcp\u8ba9PC\u81ea\u52a8\u83b7\u53d6IP\u3002AR1AR3\u4e09\u4e2a\u533a\u57df\u5199\u5165OSPF\uff0c\u9ed8\u8ba4\u5206\u522b\u4e3a1.1.1.1\uff0c3.3.3.3\uff0cAR2\u914d\u7f6e\u56de\u73af\u53e3loopback1\uff0cip\uff1a2.2.2.2\u3002AR1\u81f3AR3\u9700\u8981\u5efa\u7acbGRE\u901a\u9053\u5219\u9700\u8981\u914d\u7f6e\u96a7\u9053\u7aef\u53e3\u3002\u5176\u4ed6\u6b65\u9aa4\u9700\u8981\u914d\u7f6e\u9759\u6001\u8def\u7531\u548c\u914d\u7f6e\u7aef\u53e3\u5730\u5740\uff0c\u52a0\u5165ACL2000\u89c4\u5219\uff0c\u786e\u4fdd\u7f51\u7edc\u8bbe\u5907\u5168\u901a\uff0c\u4e3b\u8981\u5730\u5740\u548c\u7aef\u53e3\u5df2\u5728\u56fe\u4e2d\u6807\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">notepad\u6572\u767d\u677f\uff0cAR1\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sys<br>sysname r1<br>ip route-static 0.0.0.0 0.0.0.0 12.0.0.2<br>#<br>acl number 2000<br>rule 1 permit source 192.168.10.0 0.0.0.255<br>#<br>interface GigabitEthernet0\/0\/0<br>ip address 192.168.10.254 255.255.255.0<br>dhcp select interface<br>#<br>interface GigabitEthernet0\/0\/1<br>ip address 12.0.0.1 255.255.255.0<br>nat outbound 2000<br>#<br>interface Tunnel0\/0\/0<br>ip address 192.168.13.1 255.255.255.0<br>tunnel-protocol gre<br>source 12.0.0.1<br>destination 23.0.0.3<br>#<br>ospf 1 router-id 1.1.1.1<br>area 0.0.0.0<br>network 192.168.10.0 0.0.0.255<br>network 192.168.13.0 0.0.0.255<br>#<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AR2\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sys<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sysname r2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>#<br>interface GigabitEthernet0\/0\/0<br>ip address 12.0.0.2 255.255.255.0<br>#<br>interface GigabitEthernet0\/0\/1<br>ip address 23.0.0.2 255.255.255.0<br>#<br>interface LoopBack1<br>ip address 2.2.2.2 255.255.255.255<br>#<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AR3\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sys<br>sysname r3<br>ip route-static 0.0.0.0 0.0.0.0 23.0.0.2<br>#<br>acl number 2000<br>rule 1 permit source 192.168.20.0 0.0.0.255<br>#<br>interface GigabitEthernet0\/0\/0<br>ip address 192.168.20.254 255.255.255.0<br>dhcp select interface<br>#<br>interface GigabitEthernet0\/0\/1<br>ip address 23.0.0.3 255.255.255.0<br>nat outbound 2000<br>#<br>interface Tunnel0\/0\/0<br>ip address 192.168.23.1 255.255.255.0<br>tunnel-protocol gre<br>source 23.0.0.<\/code>3<code><br>destination 12.0.0.1<br>#<br>ospf 1 router-id 3.3.3.3<br>area 0.0.0.0<br>network 192.168.20.0 0.0.0.255<br>network 192.168.23.0 0.0.0.255<br>#<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u5b9e\u73b0\u4e86PC1\u5230PC3\u7684\u4e92\u8bbf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"781\" height=\"533\" src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1.png\" alt class=\"wp-image-897\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1.png 781w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1-300x205.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1-768x524.png 768w\" sizes=\"(max-width: 781px) 100vw, 781px\"><\/noscript><img decoding=\"async\" width=\"781\" height=\"533\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20781%20533%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-897 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20781%20533%22%3E%3C%2Fsvg%3E 781w\" sizes=\"(max-width: 781px) 100vw, 781px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1.png 781w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1-300x205.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1-768x524.png 768w\" data-src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-1.png\"><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e24\u5929\u81ea\u5df1\u8c0b\u5212\u7740\u6253\u7b97\u5199\u4e00\u4e2a\u65b0\u7684\u5206\u7c7b\uff1a\u7f51\u7edc\u3002\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5f52\u8001\u672c\u884c\uff0c\u540c\u6837\u4e5f\u5206\u4eab\u4e00\u4e9b\u5e38\u7528\u7684\u7f51\u7edc\u77e5\u8bc6\uff0c\u4ee5\u4fbf\u5171\u540c\u8fdb\u6b65\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[14,100],"tags":[102,101,103,95],"class_list":["post-894","post","type-post","status-publish","format-standard","hentry","category-teacher","category-network","tag-gre","tag-hcie","tag-topology","tag-net","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HCIE\u5b66\u4e60\u4e4b\u8def1\uff1aGRE\u96a7\u9053\u5b9e\u9a8c - \u5fc3\u4e00\u4fe1\u606f<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.xinyixx.com\/index.php\/2023\/06\/01\/gre\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HCIE\u5b66\u4e60\u4e4b\u8def1\uff1aGRE\u96a7\u9053\u5b9e\u9a8c - \u5fc3\u4e00\u4fe1\u606f\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u4e24\u5929\u81ea\u5df1\u8c0b\u5212\u7740\u6253\u7b97\u5199\u4e00\u4e2a\u65b0\u7684\u5206\u7c7b\uff1a\u7f51\u7edc\u3002\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5f52\u8001\u672c\u884c\uff0c\u540c\u6837\u4e5f\u5206\u4eab\u4e00\u4e9b\u5e38\u7528\u7684\u7f51\u7edc\u77e5\u8bc6\uff0c\u4ee5\u4fbf\u5171\u540c\u8fdb\u6b65\u3002 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.xinyixx.com\/index.php\/2023\/06\/01\/gre\/\" \/>\n<meta property=\"og:site_name\" content=\"\u5fc3\u4e00\u4fe1\u606f\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-01T05:46:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-01T06:01:15+00:00\" \/>\n<meta property=\"og:image\" 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