{"id":490,"date":"2014-10-27T06:07:08","date_gmt":"2014-10-27T06:07:08","guid":{"rendered":"http:\/\/zhuangzr.me\/wordpress\/?p=490"},"modified":"2014-12-12T06:08:13","modified_gmt":"2014-12-12T06:08:13","slug":"openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/","title":{"rendered":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784"},"content":{"rendered":"<p>\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece<code class=\"filename\">\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml<\/code>\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002<\/p>\n<p>TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528<code class=\"literal\">neutron<\/code>\u547d\u4ee4\u3002<code>neutron port-list<\/code>\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002<\/p>\n<pre class=\"screen\"><img decoding=\"async\" src=\"http:\/\/git.openstack.org\/cgit\/openstack\/operations-guide\/plain\/doc\/openstack-ops\/figures\/osog_1202.png\" alt=\"\" \/>\r\n\r\n<\/pre>\n<p>TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 <code>br-int<\/code>\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 <code>int-br-eth1<\/code>\u548c<code>patch-tun<\/code>\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002<\/p>\n<p>\u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002<\/p>\n<p>\u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52,56],"tags":[58],"class_list":["post-490","post","type-post","status-publish","format-standard","hentry","category-computer-science","category-infrastructure-virtualization","tag-openstack"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Hamilleton\"\/>\n\t<meta name=\"google-site-verification\" content=\"MU5z5UygVAc-wvTryHZh_Pyu9TTGhb65shw7AGmXpgE\" \/>\n\t<meta name=\"keywords\" content=\"openstack,computer science,infrastructure virtualization\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ZigZagRoad | Thoughts in Life and Research on Work\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad\" \/>\n\t\t<meta property=\"og:description\" content=\"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2014-10-27T06:07:08+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2014-12-12T06:08:13+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#article\",\"name\":\"Openstack OpenVSwitch GRE \\u7ec4\\u7f51\\u4e0b\\u7684\\u903b\\u8f91\\u67b6\\u6784 | ZigZagRoad\",\"headline\":\"Openstack OpenVSwitch GRE \\u7ec4\\u7f51\\u4e0b\\u7684\\u903b\\u8f91\\u67b6\\u6784\",\"author\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/author\\\/hamilleton\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/#person\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/git.openstack.org\\\/cgit\\\/openstack\\\/operations-guide\\\/plain\\\/doc\\\/openstack-ops\\\/figures\\\/osog_1202.png\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#articleImage\"},\"datePublished\":\"2014-10-27T06:07:08+08:00\",\"dateModified\":\"2014-12-12T06:08:13+08:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#webpage\"},\"articleSection\":\"Computer Science, Infrastructure Virtualization, Openstack\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/#listItem\",\"name\":\"Study, Research and Work\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/#listItem\",\"position\":2,\"name\":\"Study, Research and Work\",\"item\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/#listItem\",\"name\":\"Computer Science\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/#listItem\",\"position\":3,\"name\":\"Computer Science\",\"item\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/infrastructure-virtualization\\\/#listItem\",\"name\":\"Infrastructure Virtualization\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/#listItem\",\"name\":\"Study, Research and Work\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/infrastructure-virtualization\\\/#listItem\",\"position\":4,\"name\":\"Infrastructure Virtualization\",\"item\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/infrastructure-virtualization\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#listItem\",\"name\":\"Openstack OpenVSwitch GRE \\u7ec4\\u7f51\\u4e0b\\u7684\\u903b\\u8f91\\u67b6\\u6784\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/#listItem\",\"name\":\"Computer Science\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#listItem\",\"position\":5,\"name\":\"Openstack OpenVSwitch GRE \\u7ec4\\u7f51\\u4e0b\\u7684\\u903b\\u8f91\\u67b6\\u6784\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/category\\\/study-research-work\\\/computer-science\\\/infrastructure-virtualization\\\/#listItem\",\"name\":\"Infrastructure Virtualization\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/#person\",\"name\":\"Hamilleton\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/author\\\/hamilleton\\\/#author\",\"url\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/author\\\/hamilleton\\\/\",\"name\":\"Hamilleton\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#webpage\",\"url\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/\",\"name\":\"Openstack OpenVSwitch GRE \\u7ec4\\u7f51\\u4e0b\\u7684\\u903b\\u8f91\\u67b6\\u6784 | ZigZagRoad\",\"description\":\"\\u865a\\u62df\\u5316\\u5b9e\\u4f8b\\uff08\\u865a\\u62df\\u673a\\uff09\\u4ea7\\u751f\\u6570\\u636e\\u5305\\u5e76\\u5c06\\u5176\\u901a\\u8fc7\\u5176\\u5185\\u90e8\\u7684\\u865a\\u62df\\u7f51\\u7edc\\u63a5\\u53e3\\uff08 virtual NIC\\uff09\\u6bd4\\u5982eth0\\uff0c\\u53d1\\u9001\\u51fa\\u6765\\uff0c\\u5e76\\u88ab\\u4f20\\u9001\\u5230\\u8ba1\\u7b97\\u8282\\u70b9\\u7684Test Access Point (TAP)\\u8bbe\\u5907\\u4e0a\\u3002\\u4ece\\\/etc\\\/libvirt\\\/qemu\\\/instance-xxxxxxxx.xml\\u6587\\u4ef6\\u8bb0\\u5f55\\u4e86\\u5f53\\u524d\\u8bbe\\u5907\\u7684\\u914d\\u7f6e\\u4fe1\\u606f\\u3002 TAP\\u8bbe\\u5907\\u7684\\u540d\\u79f0\\u7531\\u7aef\\u53e3ID\\u7684\\u524d11\\u4f4d\\u7ec4\\u6210\\uff0810\\u4f4d\\u5341\\u516d\\u8fdb\\u5236\\u7801\\u548c1\\u4f4d\\u8fde\\u5b57\\u7b26\\uff09\\uff0c\\u6240\\u4ee5\\u53e6\\u5916\\u4e00\\u79cd\\u83b7\\u53d6TAP\\u8bbe\\u5907\\u540d\\u79f0\\u7684\\u65b9\\u6cd5\\u5c31\\u662f\\u4f7f\\u7528neutron\\u547d\\u4ee4\\u3002neutron port-list\\u547d\\u4ee4\\u8fd4\\u56de\\u7aef\\u53e3\\u5217\\u8868\\uff0c\\u7b2c\\u4e00\\u9879\\u662f\\u7aef\\u53e3ID\\u3002\\u5229\\u7528\\u8fd9\\u91cc\\u8f93\\u51fa\\u7684\\u524d11\\u4e2a\\u5b57\\u7b26\\uff0c\\u6211\\u4eec\\u53ef\\u4ee5\\u5f97\\u5230\\u76f8\\u5e94TAP\\u8bbe\\u5907\\u7684\\u540d\\u79f0\\u3002 TAP\\u8bbe\\u5907\\u8fde\\u63a5\\u5230\\u6574\\u5408\\u7f51\\u6865 br-int\\u3002\\u8be5\\u7f51\\u6865\\u8fde\\u63a5\\u6240\\u6709\\u5b9e\\u4f8b\\u7684TAP\\u8bbe\\u5907\\u4ee5\\u53ca\\u7cfb\\u7edf\\u5185\\u7684\\u5176\\u4ed6\\u7f51\\u6865\\u3002\\u5728\\u672c\\u4f8b\\u5f53\\u4e2d\\uff0c\\u6709 int-br-eth1\\u548cpatch-tun\\u63a5\\u53e3\\u3002int-br-eth1\\u662f\\u8fde\\u63a5\\u5230br-eth1\\u7f51\\u6865\\u7684\\u6865\\u81c2\\u7684\\u4e00\\u7aef\\uff0c\\u5904\\u7406\\u7269\\u7406\\u63a5\\u53e3eth1\\u4e0a\\u627f\\u8f7d\\u7684VLAN\\u3002patch-tun\\u662fOpenvSwitch\\u7684\\u5185\\u90e8\\u7aef\\u53e3\\uff0c\\u8fde\\u63a5\\u5230br-tun\\u7f51\\u6865\\uff0c\\u7528\\u6765\\u63d0\\u4f9bGRE\\u5c01\\u88c5\\u96a7\\u9053\\u7f51\\u7edc\\u3002 \\u7f51\\u7edc\\u8282\\u70b9\\u4fa7\\u7684br-int\\u6574\\u5408\\u7f51\\u6865\\uff0c\\u96c6\\u6210\\u4e86\\u76f8\\u5e94\\u7684\\u7f51\\u7edc\\u529f\\u80fd\\uff0c\\u6bd4\\u5982DHCP\\u670d\\u52a1\\uff08dnsmsq\\uff09\\uff0cNS\\u670d\\u52a1\\uff08dnsmsq\\uff09\\uff0c3\\u5c42\\u8def\\u7531\\u670d\\u52a1\\uff08\\u5b9e\\u9645\\u4e0a\\u5c31\\u662f\\u5229\\u7528netns\\u548ciptables\\u505a\\u7684\\u9694\\u79bb\\uff09\\uff0c\\u5b89\\u5168\\u7ec4\\u548c\\u9632\\u706b\\u5899\\uff08iptables\\uff09\\u3002\\u8fd8\\u6709br-ext\\u53ef\\u4ee5\\u63d0\\u4f9b\\u5916\\u7f51\\u7684\\u63a5\\u5165\\u652f\\u6301\\u3002 \\u8ba1\\u7b97\\u8282\\u70b9\\u5bfc\\u7f51\\u7edc\\u8282\\u70b9\\u4e4b\\u95f4\\u7684\\u901a\\u4fe1\\uff0c\\u6709\\u591a\\u79cd\\u65b9\\u6cd5\\u5b9e\\u73b0\\u3002\\u53ef\\u4ee5\\u91c7\\u75282\\u5c42VLAN\\\/Vxlan\\u7684\\u65b9\\u5f0f\\uff08br-eth1\\uff09\\uff0c\\u6216\\u8005\\u5728\\u4e09\\u5c42\\u4e0a\\u6253GRE\\u96a7\\u9053\\uff08br-tun\\uff09\\u3002\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/2014\\\/10\\\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/author\\\/hamilleton\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/author\\\/hamilleton\\\/#author\"},\"datePublished\":\"2014-10-27T06:07:08+08:00\",\"dateModified\":\"2014-12-12T06:08:13+08:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/#website\",\"url\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/\",\"name\":\"ZigZagRoad\",\"description\":\"Thoughts in Life and Research on Work\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/zhuangzr.me\\\/wordpress\\\/#person\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad","description":"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002","canonical_url":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/","robots":"max-image-preview:large","keywords":"openstack,computer science,infrastructure virtualization","webmasterTools":{"google-site-verification":"MU5z5UygVAc-wvTryHZh_Pyu9TTGhb65shw7AGmXpgE","miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#article","name":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad","headline":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784","author":{"@id":"https:\/\/zhuangzr.me\/wordpress\/author\/hamilleton\/#author"},"publisher":{"@id":"https:\/\/zhuangzr.me\/wordpress\/#person"},"image":{"@type":"ImageObject","url":"http:\/\/git.openstack.org\/cgit\/openstack\/operations-guide\/plain\/doc\/openstack-ops\/figures\/osog_1202.png","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#articleImage"},"datePublished":"2014-10-27T06:07:08+08:00","dateModified":"2014-12-12T06:08:13+08:00","inLanguage":"en-US","mainEntityOfPage":{"@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#webpage"},"isPartOf":{"@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#webpage"},"articleSection":"Computer Science, Infrastructure Virtualization, Openstack"},{"@type":"BreadcrumbList","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress#listItem","position":1,"name":"Home","item":"https:\/\/zhuangzr.me\/wordpress","nextItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/#listItem","name":"Study, Research and Work"}},{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/#listItem","position":2,"name":"Study, Research and Work","item":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/","nextItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/#listItem","name":"Computer Science"},"previousItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/#listItem","position":3,"name":"Computer Science","item":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/","nextItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/#listItem","name":"Infrastructure Virtualization"},"previousItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/#listItem","name":"Study, Research and Work"}},{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/#listItem","position":4,"name":"Infrastructure Virtualization","item":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/","nextItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#listItem","name":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784"},"previousItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/#listItem","name":"Computer Science"}},{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#listItem","position":5,"name":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784","previousItem":{"@type":"ListItem","@id":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/#listItem","name":"Infrastructure Virtualization"}}]},{"@type":"Person","@id":"https:\/\/zhuangzr.me\/wordpress\/#person","name":"Hamilleton"},{"@type":"Person","@id":"https:\/\/zhuangzr.me\/wordpress\/author\/hamilleton\/#author","url":"https:\/\/zhuangzr.me\/wordpress\/author\/hamilleton\/","name":"Hamilleton"},{"@type":"WebPage","@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#webpage","url":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/","name":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad","description":"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/zhuangzr.me\/wordpress\/#website"},"breadcrumb":{"@id":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/#breadcrumblist"},"author":{"@id":"https:\/\/zhuangzr.me\/wordpress\/author\/hamilleton\/#author"},"creator":{"@id":"https:\/\/zhuangzr.me\/wordpress\/author\/hamilleton\/#author"},"datePublished":"2014-10-27T06:07:08+08:00","dateModified":"2014-12-12T06:08:13+08:00"},{"@type":"WebSite","@id":"https:\/\/zhuangzr.me\/wordpress\/#website","url":"https:\/\/zhuangzr.me\/wordpress\/","name":"ZigZagRoad","description":"Thoughts in Life and Research on Work","inLanguage":"en-US","publisher":{"@id":"https:\/\/zhuangzr.me\/wordpress\/#person"}}]},"og:locale":"en_US","og:site_name":"ZigZagRoad | Thoughts in Life and Research on Work","og:type":"article","og:title":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad","og:description":"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002","og:url":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/","og:image":"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg","og:image:secure_url":"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg","article:published_time":"2014-10-27T06:07:08+00:00","article:modified_time":"2014-12-12T06:08:13+00:00","twitter:card":"summary","twitter:title":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784 | ZigZagRoad","twitter:description":"\u865a\u62df\u5316\u5b9e\u4f8b\uff08\u865a\u62df\u673a\uff09\u4ea7\u751f\u6570\u636e\u5305\u5e76\u5c06\u5176\u901a\u8fc7\u5176\u5185\u90e8\u7684\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08 virtual NIC\uff09\u6bd4\u5982eth0\uff0c\u53d1\u9001\u51fa\u6765\uff0c\u5e76\u88ab\u4f20\u9001\u5230\u8ba1\u7b97\u8282\u70b9\u7684Test Access Point (TAP)\u8bbe\u5907\u4e0a\u3002\u4ece\/etc\/libvirt\/qemu\/instance-xxxxxxxx.xml\u6587\u4ef6\u8bb0\u5f55\u4e86\u5f53\u524d\u8bbe\u5907\u7684\u914d\u7f6e\u4fe1\u606f\u3002 TAP\u8bbe\u5907\u7684\u540d\u79f0\u7531\u7aef\u53e3ID\u7684\u524d11\u4f4d\u7ec4\u6210\uff0810\u4f4d\u5341\u516d\u8fdb\u5236\u7801\u548c1\u4f4d\u8fde\u5b57\u7b26\uff09\uff0c\u6240\u4ee5\u53e6\u5916\u4e00\u79cd\u83b7\u53d6TAP\u8bbe\u5907\u540d\u79f0\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528neutron\u547d\u4ee4\u3002neutron port-list\u547d\u4ee4\u8fd4\u56de\u7aef\u53e3\u5217\u8868\uff0c\u7b2c\u4e00\u9879\u662f\u7aef\u53e3ID\u3002\u5229\u7528\u8fd9\u91cc\u8f93\u51fa\u7684\u524d11\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u76f8\u5e94TAP\u8bbe\u5907\u7684\u540d\u79f0\u3002 TAP\u8bbe\u5907\u8fde\u63a5\u5230\u6574\u5408\u7f51\u6865 br-int\u3002\u8be5\u7f51\u6865\u8fde\u63a5\u6240\u6709\u5b9e\u4f8b\u7684TAP\u8bbe\u5907\u4ee5\u53ca\u7cfb\u7edf\u5185\u7684\u5176\u4ed6\u7f51\u6865\u3002\u5728\u672c\u4f8b\u5f53\u4e2d\uff0c\u6709 int-br-eth1\u548cpatch-tun\u63a5\u53e3\u3002int-br-eth1\u662f\u8fde\u63a5\u5230br-eth1\u7f51\u6865\u7684\u6865\u81c2\u7684\u4e00\u7aef\uff0c\u5904\u7406\u7269\u7406\u63a5\u53e3eth1\u4e0a\u627f\u8f7d\u7684VLAN\u3002patch-tun\u662fOpenvSwitch\u7684\u5185\u90e8\u7aef\u53e3\uff0c\u8fde\u63a5\u5230br-tun\u7f51\u6865\uff0c\u7528\u6765\u63d0\u4f9bGRE\u5c01\u88c5\u96a7\u9053\u7f51\u7edc\u3002 \u7f51\u7edc\u8282\u70b9\u4fa7\u7684br-int\u6574\u5408\u7f51\u6865\uff0c\u96c6\u6210\u4e86\u76f8\u5e94\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6bd4\u5982DHCP\u670d\u52a1\uff08dnsmsq\uff09\uff0cNS\u670d\u52a1\uff08dnsmsq\uff09\uff0c3\u5c42\u8def\u7531\u670d\u52a1\uff08\u5b9e\u9645\u4e0a\u5c31\u662f\u5229\u7528netns\u548ciptables\u505a\u7684\u9694\u79bb\uff09\uff0c\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\uff08iptables\uff09\u3002\u8fd8\u6709br-ext\u53ef\u4ee5\u63d0\u4f9b\u5916\u7f51\u7684\u63a5\u5165\u652f\u6301\u3002 \u8ba1\u7b97\u8282\u70b9\u5bfc\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u53ef\u4ee5\u91c7\u75282\u5c42VLAN\/Vxlan\u7684\u65b9\u5f0f\uff08br-eth1\uff09\uff0c\u6216\u8005\u5728\u4e09\u5c42\u4e0a\u6253GRE\u96a7\u9053\uff08br-tun\uff09\u3002","twitter:image":"https:\/\/ziruizhuang.github.io\/assets\/img\/prof_pic.jpg"},"aioseo_meta_data":{"post_id":"490","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[],"defaultGraph":"","defaultPostTypeGraph":""},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2020-12-24 07:00:03","updated":"2025-07-03 08:49:46","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/zhuangzr.me\/wordpress\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/\" title=\"Study, Research and Work\">Study, Research and Work<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/\" title=\"Computer Science\">Computer Science<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/\" title=\"Infrastructure Virtualization\">Infrastructure Virtualization<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tOpenstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/zhuangzr.me\/wordpress"},{"label":"Study, Research and Work","link":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/"},{"label":"Computer Science","link":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/"},{"label":"Infrastructure Virtualization","link":"https:\/\/zhuangzr.me\/wordpress\/category\/study-research-work\/computer-science\/infrastructure-virtualization\/"},{"label":"Openstack OpenVSwitch GRE \u7ec4\u7f51\u4e0b\u7684\u903b\u8f91\u67b6\u6784","link":"https:\/\/zhuangzr.me\/wordpress\/2014\/10\/openstack-openvswitch-gre-%e7%bb%84%e7%bd%91%e4%b8%8b%e7%9a%84%e9%80%bb%e8%be%91%e6%9e%b6%e6%9e%84\/"}],"_links":{"self":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts\/490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/comments?post=490"}],"version-history":[{"count":3,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts\/490\/revisions"}],"predecessor-version":[{"id":513,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts\/490\/revisions\/513"}],"wp:attachment":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/media?parent=490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/categories?post=490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/tags?post=490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}