{"id":209284,"date":"2025-09-30T07:52:25","date_gmt":"2025-09-29T23:52:25","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209284\/"},"modified":"2025-09-30T07:52:26","modified_gmt":"2025-09-29T23:52:26","slug":"vps-calico","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209284\/","title":{"rendered":"\u9999\u6e2fVPS\u90e8\u7f72Calico\uff1a\u7b80\u6d01\u914d\u7f6e\u4e0e\u5bb9\u5668\u7f51\u7edc\u4f18\u5316\u5b9e\u6218"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u5bb9\u5668\u4e0e\u4e91\u539f\u751f\u65f6\u4ee3\uff0c\u7f51\u7edc\u6027\u80fd\u4e0e\u53ef\u63a7\u6027\u76f4\u63a5\u5f71\u54cd\u670d\u52a1\u7a33\u5b9a\u6027\u4e0e\u6269\u5c55\u80fd\u529b\u3002\u5bf9\u4e8e\u90e8\u7f72\u5728\u9999\u6e2fVPS\u4e0a\u7684\u5bb9\u5668\u5e73\u53f0\uff08\u4f8b\u5982 Kubernetes \u6216 Docker Swarm\uff09\uff0c\u9009\u62e9\u5408\u9002\u7684 CNI\uff08\u5bb9\u5668\u7f51\u7edc\u63a5\u53e3\uff09\u65b9\u6848\u81f3\u5173\u91cd\u8981\u3002Calico \u51ed\u501f\u5176\u57fa\u4e8e\u8def\u7531\u7684\u67b6\u6784\u3001\u4e30\u5bcc\u7684\u7f51\u7edc\u7b56\u7565\u4e0e\u826f\u597d\u7684\u53ef\u89c2\u6d4b\u6027\uff0c\u5df2\u6210\u4e3a\u751f\u4ea7\u73af\u5883\u5e38\u7528\u9009\u62e9\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7ed3\u5408\u9999\u6e2fVPS \u7684\u7f51\u7edc\u73af\u5883\u4e0e\u5e38\u89c1\u9650\u5236\uff0c\u8be6\u5c3d\u4ecb\u7ecd\u5728\u9999\u6e2f VPS \u4e0a\u90e8\u7f72 Calico \u7684\u539f\u7406\u3001\u5b9e\u8df5\u6b65\u9aa4\u3001\u4f18\u5316\u8981\u70b9\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e76\u4e0e\u5176\u4ed6\u65b9\u6848\u505a\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u8bfb\u8005\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS \u7b49\u591a\u5730\u57df\u6df7\u5408\u67b6\u6784\u4e2d\u505a\u51fa\u660e\u667a\u9009\u62e9\u3002<\/p>\n<h2>Calico \u539f\u7406\u4e0e\u90e8\u7f72\u6a21\u578b\u6982\u8ff0<\/h2>\n<p><strong>Calico \u7684\u6838\u5fc3\u7406\u5ff5\u662f\u4f7f\u7528 IP \u8def\u7531\u800c\u975e overlay \u96a7\u9053\uff08\u53ef\u9009\uff09\u6765\u5b9e\u73b0\u5bb9\u5668\u95f4\u4e92\u901a<\/strong>\u3002\u5b83\u901a\u8fc7\u4e00\u7ec4\u7ec4\u4ef6\u5b9e\u73b0\u6570\u636e\u5e73\u9762\u4e0e\u63a7\u5236\u5e73\u9762\u5206\u79bb\uff1aFelix\uff08\u6bcf\u8282\u70b9\u7684 agent\uff09\u3001Typha\uff08\u53ef\u9009\u7684\u53ef\u4f38\u7f29\u6027\u4ee3\u7406\uff09\u3001Bird\/GoBGP\uff08\u7528\u4e8e BGP \u8def\u7531\uff09\u3001\u4ee5\u53ca\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u7684 API Server\uff08\u4f8b\u5982 Kubernetes API\uff09\u3002Calico \u652f\u6301\u4e09\u79cd\u5e38\u89c1\u6570\u636e\u5e73\u9762\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>\u7eaf\u8def\u7531\u6a21\u5f0f\uff08BGP\uff09\uff1a\u5bb9\u5668 IP \u4f1a\u901a\u8fc7 BGP \u5ba3\u544a\u7ed9\u4e0a\u6e38\u8def\u7531\u5668\uff0c\u9002\u5408\u88f8\u673a\u6216\u53ef\u63a7\u8def\u7531\u73af\u5883\u3002<\/li>\n<li>IP-in-IP \u6216 VXLAN \u96a7\u9053\uff1a\u5f53 VPS \u6216\u4e3b\u673a\u65e0\u6cd5\u76f4\u63a5\u505a\u8def\u7531\u65f6\uff0cCalico \u53ef\u542f\u7528\u96a7\u9053\u4ee5\u7a7f\u900f\u975e\u76f4\u8fde\u7f51\u7edc\u3002<\/li>\n<li>WireGuard\/L3 Overlay\uff1a\u5728\u9700\u8981\u52a0\u5bc6\u7684\u591a\u5730\u57df\u4e92\u8054\u573a\u666f\u4e2d\u53ef\u4ee5\u542f\u7528\u3002<\/li>\n<\/ul>\n<p>\u5728\u9999\u6e2f VPS \u7684\u5178\u578b\u573a\u666f\u4e0b\uff0c\u7528\u6237\u901a\u5e38\u65e0\u6cd5\u5728\u5bbf\u4e3b\u673a\u5c42\u9762\u76f4\u63a5\u63a7\u5236 BGP\u3002\u56e0\u6b64\uff0c\u6700\u5e38\u7528\u4e14\u517c\u5bb9\u6027\u9ad8\u7684\u65b9\u5f0f\u662f\u542f\u7528 <strong>IP-in-IP \u6216 VXLAN<\/strong> \u6a21\u5f0f\uff0c\u6216\u4f7f\u7528 Calico \u7684 VXLAN-over-UDP \u529f\u80fd\u4ee5\u517c\u987e MTU \u4e0e\u7a7f\u900f\u80fd\u529b\u3002<\/p>\n<h2>\u9002\u7528\u573a\u666f\u4e0e\u67b6\u6784\u5efa\u8bae<\/h2>\n<p>\u4ee5\u4e0b\u4e3a\u51e0\u7c7b\u5e38\u89c1\u90e8\u7f72\u573a\u666f\u4e0e\u5bf9\u5e94\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5355\u5730\u57df\uff08\u9999\u6e2f\uff09\u96c6\u7fa4\uff1a\u82e5\u6240\u6709\u8282\u70b9\u90fd\u5728\u540c\u4e00\u79c1\u6709\u7f51\u7edc\u5185\u4e14\u8def\u7531\u53ef\u63a7\uff0c\u9996\u9009\u8def\u7531\u6a21\u5f0f\uff08BGP\uff09\u3002\u4f46\u5728\u9999\u6e2fVPS \u63d0\u4f9b\u5546\u4e0d\u5f00\u653e\u8def\u7531\u914d\u7f6e\u65f6\uff0c\u9009\u62e9 IP-in-IP \u6216 VXLAN\u3002<\/li>\n<li>\u6df7\u5408\u4e91\uff08\u9999\u6e2f + \u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\uff09\uff1a\u8de8\u5730\u57df\u5efa\u8bae\u4f7f\u7528 VXLAN \u6216 WireGuard+Calico \u6765\u4fdd\u8bc1\u8de8\u7f51\u7edc\u96a7\u9053\u7a33\u5b9a\u6027\u4e0e\u52a0\u5bc6\uff1b\u5fc5\u8981\u65f6\u5728\u9999\u6e2f\u8282\u70b9\u4f7f\u7528\u66f4\u4f4e\u5ef6\u8fdf\u7684\u8def\u7531\u6a21\u5f0f\u4ee5\u4f18\u5316\u4e1c\u4e9a\u6d41\u91cf\u3002<\/li>\n<li>\u591a\u79df\u6237\u4e0e\u5b89\u5168\u9694\u79bb\u8981\u6c42\u9ad8\u7684\u4f01\u4e1a\uff1a\u5145\u5206\u5229\u7528 Calico \u7684 NetworkPolicy\uff0c\u7ed3\u5408 Kubernetes RBAC \u4e0e\u547d\u540d\u7a7a\u95f4\u7b56\u7565\u5b9e\u73b0\u4e1c-\u897f\u5411\u5fae\u5206\u6bb5\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u524d\u7684\u51c6\u5907\u4e0e\u73af\u5883\u8981\u6c42<\/h2>\n<p>\u5728\u5f00\u59cb\u90e8\u7f72\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\uff1a<\/p>\n<ul>\n<li>\u5185\u6838\u7248\u672c\u5efa\u8bae &gt;= 4.9\uff0c\u4ee5\u652f\u6301\u6700\u65b0\u7684 ipset\u3001conntrack \u4e0e\u8def\u7531\u7279\u6027\u3002<\/li>\n<li>\u5173\u95ed\u6216\u8c03\u6574\u4e3b\u673a\u7684\u9632\u706b\u5899\u7b56\u7565\uff0c\u4fdd\u8bc1 UDP\/TCP \u5fc5\u9700\u7aef\u53e3\u4e0e\u96a7\u9053\u534f\u8bae\u5141\u8bb8\u901a\u8fc7\uff08\u4f8b\u5982 VXLAN \u9ed8\u8ba4 UDP 4789\uff0cIP-in-IP \u4f7f\u7528\u534f\u8bae\u53f7 4\uff09\u3002<\/li>\n<li>\u68c0\u67e5\u5bbf\u4e3b\u673a MTU\uff0cVPS \u7f51\u7edc\u901a\u5e38 MTU \u4e3a 1500 \u6216\u66f4\u5c0f\uff0c\u96a7\u9053\u4f1a\u5f15\u5165\u989d\u5916\u5934\u90e8\uff0c\u9700\u8c03\u6574 Pod \u7f51\u7edc MTU\uff08\u4f8b\u5982 1450 \u6216\u66f4\u4f4e\uff09\u3002<\/li>\n<li>\u82e5\u4f7f\u7528 Calico BGP \u6a21\u5f0f\uff0c\u786e\u8ba4\u662f\u5426\u53ef\u5728 VPS \u4e0a\u8fd0\u884c GoBGP \u6216\u4e0e\u4e91\u63d0\u4f9b\u5546\u4ea4\u6362\u8def\u7531\u3002<\/li>\n<\/ul>\n<h2>\u5728\u9999\u6e2fVPS \u4e0a\u90e8\u7f72 Calico \u7684\u5b9e\u6218\u8981\u70b9<\/h2>\n<h3>1. \u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e73\u9762<\/h3>\n<p>\u5728\u9999\u6e2fVPS \u7684\u591a\u6570\u6258\u7ba1\u573a\u666f\u4e2d\uff0c\u5efa\u8bae\u9ed8\u8ba4\u4f7f\u7528 <strong>VXLAN<\/strong> \u6216 <strong>IP-in-IP<\/strong>\u3002IP-in-IP \u5728\u591a\u6570\u4e91\u73af\u5883\u7a7f\u900f\u80fd\u529b\u66f4\u5f3a\uff0c\u5f00\u9500\u66f4\u5c0f\uff1bVXLAN \u5728\u8de8\u6570\u636e\u4e2d\u5fc3\u6216\u516c\u7f51\u73af\u5883\u4e0b\u517c\u5bb9\u6027\u66f4\u597d\u4e14\u4fbf\u4e8e\u8c03\u8bd5\u3002<\/p>\n<h3>2. \u4f7f\u7528 kubeadm \u5b89\u88c5\u793a\u4f8b\uff08\u5173\u952e\u547d\u4ee4\u6587\u672c\u5f62\u5f0f\uff09<\/h3>\n<p>\u5728\u63a7\u5236\u9762\u51c6\u5907\u597d\u540e\uff0c\u5e94\u7528 Calico manifest\u3002\u793a\u4f8b\u6b65\u9aa4\uff08\u7b80\u8ff0\uff0c\u4fbf\u4e8e\u76f4\u63a5\u590d\u5236\u6267\u884c\uff09\uff1a<\/p>\n<ul>\n<li>\u4e0b\u8f7d\u5b98\u65b9 calico manifest\uff1akubectl apply -f https:\/\/docs.projectcalico.org\/manifests\/calico.yaml<\/li>\n<li>\u82e5\u9700\u8981\u542f\u7528 VXLAN\uff0c\u53ef\u7f16\u8f91 calico.yaml \u4e2d\u7684 ConfigMap calico-config\uff0c\u5c06 CALICO_IPV4POOL_IPIP \u8bbe\u7f6e\u4e3a &#8220;Never&#8221; \u5e76\u542f\u7528 VXLAN\uff1aCALICO_IPV4POOL_VXLAN=&#8221;Always&#8221;\uff0c\u540c\u65f6\u8bbe\u7f6e IPPool \u7684 blockSize \u4e0e mtu: 1450\u3002<\/li>\n<li>\u8c03\u6574 kubelet \u7684 &#8211;pod-infra-container-image \u4e0e\u7f51\u7edc\u63d2\u4ef6\u914d\u5408\uff0c\u786e\u4fdd CNI \u914d\u7f6e\u6587\u4ef6\u5728 \/etc\/cni\/net.d\/ \u4e2d\u6b63\u786e\u6307\u5411 calico\u3002<\/li>\n<\/ul>\n<h3>3. MTU \u4e0e\u6027\u80fd\u4f18\u5316<\/h3>\n<p>\u96a7\u9053\u4f1a\u5f71\u54cd MTU\uff0c\u5bfc\u81f4\u5206\u7247\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728 Calico IPPool \u4e2d\u8bbe\u7f6e mtu\uff1a\u4f8b\u5982 1400-1450\uff0c\u907f\u514d TCP MSS \u7f29\u653e\u95ee\u9898\u3002<\/li>\n<li>\u5728\u5bbf\u4e3b\u673a\u4e0a\u8bbe\u7f6e iptables \u6216 tc \u9650\u5236 Path MTU Discovery \u95ee\u9898\uff1b\u5fc5\u8981\u65f6\u5728 nginx\/\u5e94\u7528\u5c42\u542f\u7528 TCP MSS \u7b56\u7565\u3002<\/li>\n<li>\u9488\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f\uff0c\u8c03\u4f18 net.core.somaxconn\u3001net.ipv4.tcp_tw_reuse\u3001conntrack \u6700\u5927\u503c\uff08\/proc\/sys\/net\/netfilter\/nf_conntrack_max\uff09\u7b49\u5185\u6838\u53c2\u6570\u3002<\/li>\n<\/ul>\n<h3>4. \u7f51\u7edc\u7b56\u7565\u4e0e\u5b89\u5168\u6027<\/h3>\n<p>Calico \u7684 NetworkPolicy \u652f\u6301\u57fa\u4e8e\u6807\u7b7e\u3001\u547d\u540d\u7a7a\u95f4\u3001CIDR \u7684\u7cbe\u7ec6\u8bbf\u95ee\u63a7\u5236\u3002\u751f\u4ea7\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u9ed8\u8ba4\u62d2\u7edd\uff08default deny\uff09\u672a\u6388\u6743\u6d41\u91cf\uff0c\u7136\u540e\u9010\u6b65\u653e\u884c\u5fc5\u8981\u7aef\u53e3\u548c\u670d\u52a1\u3002<\/li>\n<li>\u7ed3\u5408 egress\/ingress policy \u505a\u5916\u90e8\u8bbf\u95ee\u63a7\u5236\uff0c\u4f8b\u5982\u9650\u5236\u5bb9\u5668\u8bbf\u95ee\u5916\u7f51\u6216\u53ea\u5141\u8bb8\u8bbf\u95ee\u7279\u5b9a\u7684\u6570\u636e\u5e93 IP\u3002<\/li>\n<li>\u5bf9\u4e8e\u6df7\u5408\u90e8\u7f72\uff08\u9999\u6e2f\u670d\u52a1\u5668 + \u7f8e\u56fd\u670d\u52a1\u5668\uff09\uff0c\u901a\u8fc7 policy \u9650\u5236\u8de8\u5730\u57df\u6d41\u91cf\u5e76\u5728\u51fa\u53e3\u70b9\u505a\u5ba1\u8ba1\u3002<\/li>\n<\/ul>\n<h3>5. \u65e5\u5fd7\u3001\u76d1\u63a7\u4e0e\u6545\u969c\u6392\u67e5<\/h3>\n<p>\u5e38\u89c1\u6545\u969c\u70b9\u4e0e\u6392\u67e5\u601d\u8def\uff1a<\/p>\n<ul>\n<li>Pod \u95f4\u65e0\u6cd5\u901a\u4fe1\uff1a\u68c0\u67e5 calico-node \u65e5\u5fd7\u3001Felix \u72b6\u6001\u3001IPPool \u4e0e\u8def\u7531\u8868\uff08ip route\u3001ip rule\uff09\u3002<\/li>\n<li>MTU \u5bfc\u81f4\u541e\u5410\u7387\u4f4e\u6216\u5206\u7247\uff1a\u67e5\u770b dmesg \u4e2d\u7684\u5206\u7247\/ICMP \u6d88\u606f\uff0c\u8c03\u6574 mtu \u5e76\u5728\u5e94\u7528\u5c42\u6d4b\u8bd5\u5927\u5305\u3002\u5de5\u5177\uff1aping -M do -s\u3002<\/li>\n<li>\u8fde\u63a5\u8ffd\u8e2a\u6ea2\u51fa\uff1a\u67e5\u770b \/proc\/net\/nf_conntrack\uff0c\u589e\u52a0 nf_conntrack_max \u5e76\u8c03\u6574 conntrack \u8d85\u65f6\u3002<\/li>\n<\/ul>\n<h2>\u4e0e\u5176\u4ed6 CNI \u7684\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>Calico \u76f8\u6bd4 Flannel\u3001Weave \u7b49\u5177\u6709\u660e\u663e\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li>\u6027\u80fd\uff1aCalico \u7684\u8def\u7531\u6a21\u5f0f\u907f\u514d overlay \u5e26\u6765\u7684\u989d\u5916\u5c01\u88c5\u5f00\u9500\uff0c\u5ef6\u8fdf\u4e0e\u541e\u5410\u901a\u5e38\u66f4\u4f18\u3002<\/li>\n<li>\u7b56\u7565\u80fd\u529b\uff1aCalico \u7684 NetworkPolicy \u66f4\u52a0\u7075\u6d3b\u4e14\u539f\u751f\u652f\u6301 NAT\u3001\u5168\u5c40\u7b56\u7565\u4e0e\u4e3b\u673a\u7ea7\u7b56\u7565\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\uff1a\u5f15\u5165 Typha \u540e\u53ef\u652f\u6301\u5927\u89c4\u6a21\u96c6\u7fa4\uff0c\u9002\u5408\u4f01\u4e1a\u7ea7\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<p>\u4f46\u662f\u5728\u4e00\u4e9b\u53d7\u9650\u73af\u5883\uff08\u4f8b\u5982\u65e0\u6cd5\u4fee\u6539\u5185\u6838\u96a7\u9053\u534f\u8bae\u6216 VPS \u63d0\u4f9b\u5546\u5bf9 raw socket \u9650\u5236\uff09\uff0c\u50cf Flannel \u7684 simpler overlay \u53ef\u80fd\u66f4\u6613\u4e0a\u624b\u3002\u5bf9\u4e8e\u5728\u9999\u6e2f VPS \u4e0e\u7f8e\u56fdVPS \u6df7\u5408\u4f7f\u7528\u7684\u573a\u666f\uff0cCalico \u7684\u52a0\u5bc6\u96a7\u9053\uff08\u5982 WireGuard\uff09\u4e0e\u7b56\u7565\u80fd\u529b\u80fd\u5e26\u6765\u66f4\u9ad8\u7684\u53ef\u63a7\u6027\u4e0e\u5b89\u5168\u6027\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff08\u9488\u5bf9\u7ad9\u957f\u4e0e\u4f01\u4e1a\u7528\u6237\uff09<\/h2>\n<p>\u9009\u62e9\u9999\u6e2f VPS \u6216\u5176\u4ed6\u5730\u57df\u670d\u52a1\u5668\u65f6\uff0c\u5e94\u5173\u6ce8\u4ee5\u4e0b\u51e0\u70b9\u4ee5\u4fbf\u66f4\u597d\u8fd0\u884c Calico\uff1a<\/p>\n<ul>\n<li><strong>\u7f51\u7edc\u63a7\u5236\u6743\u9650\uff1a<\/strong>\u4f18\u5148\u9009\u62e9\u5141\u8bb8\u8bbe\u7f6e MTU\u3001\u5f00\u542f\u96a7\u9053\u534f\u8bae\uff08IP-in-IP\/VXLAN\uff09\u4e0e\u7075\u6d3b\u9632\u706b\u5899\u89c4\u5219\u7684 VPS \u4ea7\u54c1\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u4e0e\u5ef6\u8fdf\uff1a<\/strong>\u5e94\u7528\u5bf9\u4e1c\u4e9a\u6d41\u91cf\u654f\u611f\u65f6\uff0c\u9999\u6e2f\u670d\u52a1\u5668 \u66f4\u4f18\uff1b\u8de8\u7f8e\u4e1c\u6216\u7f8e\u897f\u90e8\u7f72\u65f6\uff0c\u8003\u8651\u7f8e\u56fd\u670d\u52a1\u5668 \u6216\u7f8e\u56fdVPS \u7684\u5e26\u5bbd\u4e0e\u5e26\u5bbd\u5cf0\u503c\u80fd\u529b\u3002<\/li>\n<li><strong>\u5185\u6838\u4e0e\u955c\u50cf\u652f\u6301\uff1a<\/strong>\u786e\u8ba4 VPS \u63d0\u4f9b\u5546\u7684\u955c\u50cf\u5185\u6838\u7248\u672c\u4e0e\u6a21\u5757\u652f\u6301\uff0c\u4f8b\u5982 ipip\u3001vxlan\u3001wireguard\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027\u4e0e\u8fd0\u7ef4\u652f\u6301\uff1a<\/strong>\u4f18\u5148\u9009\u5e26\u6709\u5feb\u901f\u5feb\u7167\u3001\u5f39\u6027\u5e26\u5bbd\u3001\u5907\u7528 IP \u7684\u4ea7\u54c1\uff0c\u4ee5\u4fbf\u5feb\u901f\u6269\u5bb9\u4e0e\u6545\u969c\u5207\u6362\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5728\u9999\u6e2fVPS \u4e0a\u90e8\u7f72 Calico\uff0c\u65e2\u53ef\u4ee5\u83b7\u5f97\u9ad8\u6027\u80fd\u7684\u5bb9\u5668\u7f51\u7edc\u80fd\u529b\uff0c\u4e5f\u80fd\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u5b89\u5168\u7b56\u7565\u7ba1\u7406\u3002\u57fa\u4e8e VPS \u7684\u7f51\u7edc\u6743\u9650\u4e0e\u73af\u5883\u5dee\u5f02\uff0c\u5e38\u89c1\u7684\u5b9e\u8df5\u662f\u4f18\u5148\u91c7\u7528 IP-in-IP \u6216 VXLAN \u6a21\u5f0f\uff0c\u8c03\u6574 MTU \u5e76\u505a\u597d\u5185\u6838\u4e0e conntrack \u7684\u8c03\u4f18\u3002\u5bf9\u4e8e\u9700\u8981\u8de8\u5883\u4e92\u8054\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u7ed3\u5408 WireGuard \u6216 VXLAN \u8fdb\u884c\u52a0\u5bc6\u4e0e\u96a7\u9053\u5316\u5904\u7406\u3002\u65e0\u8bba\u662f\u5355\u5730\u57df\u9999\u6e2f\u670d\u52a1\u5668 \u90e8\u7f72\uff0c\u8fd8\u662f\u4e0e\u7f8e\u56fdVPS\u3001\u7f8e\u56fd\u670d\u52a1\u5668 \u7b49\u591a\u5730\u57df\u6df7\u5408\u67b6\u6784\uff0cCalico \u90fd\u80fd\u901a\u8fc7\u7075\u6d3b\u914d\u7f6e\u4e0e\u7b56\u7565\u652f\u6301\u6ee1\u8db3\u751f\u4ea7\u73af\u5883\u7684\u9700\u6c42\u3002<\/p>\n<p>\u82e5\u60a8\u5728\u9009\u8d2d\u6216\u6d4b\u8bd5\u9999\u6e2fVPS \u65f6\u9700\u8981\u53c2\u8003\u4ea7\u54c1\uff0c\u53ef\u4ee5\u8bbf\u95ee Server.HK \u7684\u9999\u6e2fVPS 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