{"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>\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>\u8fd9\u513f\u7528\u5230\u7684\u8f6f\u4ef6ensp\uff0c\u76ee\u524d\u5df2\u7ecf\u505c\u6b62\u66f4\u65b0\u4e86\uff0c\u6709\u9700\u8981\u7684\u540c\u5b66\u53ef\u4ee5\u79c1\u4fe1\u6211\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u8bb2\u5148\u590d\u4e60GRE\u96a7\u9053\uff0cGRE\u96a7\u9053\u662f\u4e00\u79cd\u57fa\u4e8e\u901a\u7528\u8def\u7531\u5c01\u88c5\u534f\u8bae\uff08GRE\uff09\u7684\u96a7\u9053\u6280\u672f\uff0c\u53ef\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u5305\u3002\u521b\u5efaGRE\u96a7\u9053\u9700\u8981\u4e24\u4e2a\u8def\u7531\u5668\u6216\u8bbe\u5907\u6765\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9aa4\u6765\u521b\u5efa\u4e00\u4e2aGRE\u96a7\u9053\uff1a<\/p>\n\n\n\n<ol 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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>\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>notepad\u6572\u767d\u677f\uff0cAR1\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p><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>AR2\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p><code>sys<\/code><\/p>\n\n\n\n<p><code>sysname r2<\/code><\/p>\n\n\n\n<p><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>AR3\u914d\u7f6e\uff1a<\/p>\n\n\n\n<p><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>\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"],"_links":{"self":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts\/894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/comments?post=894"}],"version-history":[{"count":0,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts\/894\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/media?parent=894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/categories?post=894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/tags?post=894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}