{"id":32731,"date":"2026-08-20T18:00:00","date_gmt":"2026-08-20T10:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32731"},"modified":"2026-08-20T20:49:03","modified_gmt":"2026-08-20T12:49:03","slug":"wireguard-multihop-relay","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/wireguard-multihop-relay\/","title":{"rendered":"WireGuard \u591a\u8df3\u7ec4\u7f51\u6392\u969c\uff1a\u4e2d\u7ee7\u8282\u70b9\u9009\u578b\u4e0e\u94fe\u8def\u9a8c\u8bc1"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wireguard-multihop-relay-cover.webp\" alt=\"WireGuard \u591a\u8df3\u7ec4\u7f51\u5c01\u9762\" loading=\"lazy\" \/><\/p>\n<p>\u8fd9\u7bc7\u6307\u5357\u5e2e\u52a9\u4f60\u6392\u67e5 WireGuard\uff08\u4e00\u79cd\u8f7b\u91cf\u7ea7\u5185\u6838\u6001 VPN\uff08\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff09\u5de5\u5177\uff09\u591a\u8df3\u7ec4\u7f51\u95ee\u9898\uff1a\u4e2d\u7ee7\u8282\u70b9\u600e\u4e48\u9009\u3001\u8f6c\u53d1\u94fe\u8def\u600e\u4e48\u914d\u3001\u7aef\u5230\u7aef\u600e\u4e48\u9a8c\u8bc1\u3002\u5355\u8df3\u7ec4\u7f51\u53ea\u8981\u4e24\u7aef\u5bc6\u94a5\u548c\u7aef\u53e3\u5bf9\u4e0a\u901a\u5e38\u5c31\u80fd\u901a\uff0c\u591a\u8df3\u7ec4\u7f51\u5219\u8981\u5728\u4e2d\u7ee7\u8282\u70b9\u505a\u8f6c\u53d1\u3001\u5728\u6bcf\u4e2a\u8282\u70b9\u7ba1\u8def\u7531\uff0c\u4efb\u4f55\u4e00\u73af\u51fa\u9519\u90fd\u4f1a\u8ba9\u94fe\u8def\u9759\u9ed8\u4e22\u5305\uff0c\u9700\u8981\u7cfb\u7edf\u5316\u6392\u67e5\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u591a\u53f0\u4e91\u670d\u52a1\u5668\uff08cloud server\uff0c\u901a\u8fc7\u865a\u62df\u5316\u6280\u672f\u63d0\u4f9b\u7684\u6309\u9700\u8ba1\u7b97\u8d44\u6e90\uff09\u9700\u8981\u8de8\u533a\u57df\u4e92\u8054\uff0c\u53ef\u4ee5\u5148\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/cloud-server-firewall-baseline\/\">\u4e91\u670d\u52a1\u5668\u9632\u706b\u5899\u57fa\u7ebf\u914d\u7f6e<\/a>\u653e\u884c WireGuard \u7aef\u53e3\uff0c\u518d\u6309\u672c\u6587\u642d\u5efa\u591a\u8df3\u94fe\u8def\u3002Hostease \u8fd9\u7c7b [VPS](https:\/\/cn.hostease.com\/vps\/)\uff08[\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/vps\/)\uff09\u73af\u5883\u7684\u4e2d\u7ee7\u8282\u70b9\u9009\u578b\uff0c\u76f4\u63a5\u51b3\u5b9a\u591a\u8df3\u7f51\u7edc\u7684\u5ef6\u8fdf\u548c\u7a33\u5b9a\u6027\u3002\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u5bb9\u91cf\uff0c\u5373\u94fe\u8def\u5355\u4f4d\u65f6\u95f4\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u5219\u662f\u8bc4\u4f30\u4e2d\u7ee7\u627f\u8f7d\u80fd\u529b\u7684\u9996\u8981\u91cf\u5316\u6307\u6807\uff0c\u9009\u578b\u65f6\u5e94\u7ed3\u5408\u4e09\u6bb5\u8def\u5f84\u5b9e\u6d4b\u800c\u975e\u53ea\u770b\u6807\u79f0\u503c\u3002<\/p>\n<h2>\u4e00\u3001\u591a\u8df3\u7ec4\u7f51\u7684\u62d3\u6251\u7ed3\u6784<\/h2>\n<p>WireGuard \u591a\u8df3\u7ec4\u7f51\u901a\u5e38\u6709\u4e24\u79cd\u62d3\u6251\uff1a\u94fe\u5f0f\uff08A\u2192B\u2192C\uff0c\u6d41\u91cf\u7ecf\u8fc7\u4e2d\u7ee7 B \u8f6c\u53d1\uff09\u548c\u661f\u578b\uff08\u591a\u8282\u70b9\u90fd\u8fde\u4e2d\u7ee7\uff0c\u4e2d\u7ee7\u7edf\u4e00\u8f6c\u53d1\uff09\u3002\u94fe\u5f0f\u9002\u5408\u8de8\u533a\u57df\u4e32\u8054\uff0c\u661f\u578b\u9002\u5408\u4ee5\u4e00\u4e2a\u4e2d\u7ee7\u4e3a\u4e2d\u5fc3\u7684\u591a\u5206\u652f\u4e92\u8054\u3002\u4e24\u79cd\u62d3\u6251\u7684\u6838\u5fc3\u90fd\u662f\u4e2d\u7ee7\u8282\u70b9\u5f00\u542f IP \u8f6c\u53d1\uff0c\u5e76\u628a\u5bf9\u7aef\u7f51\u6bb5\u52a0\u5165 AllowedIPs\uff08WireGuard \u7684\u8def\u7531\u4e0e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff09\u3002<\/p>\n<p>\u5173\u952e\u914d\u7f6e\u539f\u5219\uff1a\u6bcf\u4e2a\u8282\u70b9\u7684 AllowedIPs \u5fc5\u987b\u8986\u76d6\u5b83\u60f3\u901a\u8fc7\u8be5\u96a7\u9053\u5bf9\u7aef\u5230\u8fbe\u7684\u7f51\u6bb5\u3002\u4e2d\u7ee7\u8282\u70b9\u7684 AllowedIPs \u8981\u5305\u542b\u4e24\u4fa7\u7684\u5185\u7f51\u7f51\u6bb5\uff0c\u5426\u5219\u8f6c\u53d1\u65f6\u5185\u6838\u4e0d\u77e5\u9053\u628a\u5305\u9001\u8fdb\u54ea\u6761\u96a7\u9053\u3002\u8fd9\u662f\u591a\u8df3\u7ec4\u7f51\u6700\u5e38\u89c1\u7684\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wireguard-multihop-relay-flow.webp\" alt=\"\u591a\u8df3\u62d3\u6251\u4e0e\u8f6c\u53d1\u6d41\u7a0b\" loading=\"lazy\" \/><\/p>\n<h2>\u4e8c\u3001\u4e2d\u7ee7\u8282\u70b9\u9009\u578b<\/h2>\n<p>\u4e2d\u7ee7\u8282\u70b9\u662f\u591a\u8df3\u7f51\u7edc\u7684\u54bd\u5589\uff0c\u9009\u578b\u770b\u56db\u4e2a\u6307\u6807\uff1a<\/p>\n<ul>\n<li><strong>\u4f4d\u7f6e<\/strong>\uff1a\u4e2d\u7ee7\u5e94\u4f4d\u4e8e\u4e24\u7aef\u4e4b\u95f4\u7684\u7f51\u7edc\u8981\u51b2\uff0c\u4f8b\u5982\u8fde\u63a5\u4e2d\u56fd\u4e0e\u6b27\u6d32\u8282\u70b9\u65f6\uff0c\u4e2d\u7ee7\u653e\u5728\u4e1c\u5357\u4e9a\u6216\u4e2d\u4e1c\u901a\u5e38\u6bd4\u653e\u5728\u7f8e\u56fd\u66f4\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u4e0e\u6d41\u91cf<\/strong>\uff1a\u4e2d\u7ee7\u627f\u8f7d\u6240\u6709\u8de8\u6bb5\u6d41\u91cf\uff0c\u5e26\u5bbd\u8981\u6309\u4e24\u7aef\u6d41\u91cf\u4e4b\u548c\u9884\u7559\uff0c\u4e14\u6ce8\u610f\u5546\u5bb6\u7684\u516c\u5e73\u4f7f\u7528\u7b56\u7565\u3002<\/li>\n<li><strong>\u7ebf\u8def\u8d28\u91cf<\/strong>\uff1a\u4e2d\u7ee7\u5230\u4e24\u7aef\u7684\u4e22\u5305\u7387\u548c\u6296\u52a8\u51b3\u5b9a\u6574\u4f53\u4f53\u9a8c\uff0c\u9009\u578b\u65f6\u5e94\u5b9e\u6d4b\u4e09\u6bb5\u8def\u5f84\u800c\u4e0d\u662f\u53ea\u770b\u4e2d\u7ee7\u81ea\u8eab\u914d\u7f6e\u3002<\/li>\n<li><strong>\u53ef\u7528\u6027<\/strong>\uff1a\u4e2d\u7ee7\u5355\u70b9\u6545\u969c\u4f1a\u65ad\u6574\u6761\u94fe\uff0c\u5173\u952e\u4e1a\u52a1\u5e94\u51c6\u5907\u5907\u9009\u4e2d\u7ee7\u6216\u53cc\u4e2d\u7ee7\u5e76\u884c\u3002<\/li>\n<\/ul>\n<p>\u914d\u7f6e\u4e2d\u7ee7\u7684\u6838\u5fc3\u662f\u5f00\u542f\u5185\u6838\u8f6c\u53d1\u5e76\u653e\u884c\u9632\u706b\u5899\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\"> sysctl -w net.ipv4.ip_forward=1\necho 'net.ipv4.ip_forward = 1' >> \/etc\/sysctl.conf\niptables -A FORWARD -i wg0 -o wg0 -j ACCEPT<\/pre>\n<h2>\u4e09\u3001\u5e38\u89c1\u6545\u969c\u6392\u67e5<\/h2>\n<p>\u591a\u8df3\u94fe\u8def\u4e0d\u901a\u65f6\uff0c\u6309&#8221;\u9010\u6bb5\u9a8c\u8bc1&#8221;\u7684\u987a\u5e8f\u6392\u67e5\uff0c\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u67e5\u4e24\u7aef\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6545\u969c\u73b0\u8c61<\/th>\n<th>\u5e38\u89c1\u539f\u56e0<\/th>\n<th>\u9a8c\u8bc1\u65b9\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u63e1\u624b\u5931\u8d25\uff08handshake did not complete\uff09<\/td>\n<td>\u7aef\u53e3\u672a\u653e\u884c\/\u7aef\u70b9\u5199\u9519<\/td>\n<td>wg show \u770b\u6700\u65b0\u63e1\u624b\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td>\u63e1\u624b\u6210\u529f\u4f46\u4e0d\u901a<\/td>\n<td>AllowedIPs \u672a\u8986\u76d6\u76ee\u6807\u7f51\u6bb5<\/td>\n<td>\u5bf9\u7167\u4e24\u4fa7 AllowedIPs \u4e0e\u8def\u7531\u8868<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e00\u8df3\u901a\u3001\u7b2c\u4e8c\u8df3\u4e0d\u901a<\/td>\n<td>\u4e2d\u7ee7\u672a\u5f00\u8f6c\u53d1\u6216 FORWARD \u94fe\u4e22\u5305<\/td>\n<td>\u5728\u4e2d\u7ee7\u6293\u5305\u786e\u8ba4\u8f6c\u53d1<\/td>\n<\/tr>\n<tr>\n<td>\u95f4\u6b47\u6027\u4e22\u5305<\/td>\n<td>MTU\uff08\u6700\u5927\u4f20\u8f93\u5355\u5143\uff09\u8fc7\u5927\u5206\u7247\u4e22\u5931<\/td>\n<td>\u9010\u6b65\u964d\u4f4e MTU \u6d4b\u8bd5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>MTU \u95ee\u9898\u5728\u591a\u8df3\u7ec4\u7f51\u4e2d\u88ab\u653e\u5927\uff1a\u6bcf\u7ecf\u8fc7\u4e00\u5c42\u5c01\u88c5\u62a5\u6587\u90fd\u4f1a\u53d8\u5927\uff0c\u5916\u5c42\u7f51\u7edc\u82e5\u4e0d\u652f\u6301\u5bf9\u5e94 MTU \u5c31\u4f1a\u4e22\u5305\u3002WireGuard \u9ed8\u8ba4 wg0 \u63a5\u53e3 MTU 1420\uff0c\u591a\u8df3\u573a\u666f\u5efa\u8bae\u4e2d\u7ee7\u4e0e\u4e24\u7aef\u7edf\u4e00\u964d\u5230 1380 \u5de6\u53f3\u89c2\u5bdf\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">ip link set dev wg0 mtu 1380\nping -M do -s 1340 10.0.0.2<\/pre>\n<p>\u5982\u679c\u6392\u9664\u9632\u706b\u5899\u56e0\u7d20\u540e\u4ecd\u7136\u5927\u9762\u79ef\u4e22\u5305\uff0c\u5e94\u5bf9\u6bd4\u76f4\u8fde\u4e0e\u4e2d\u7ee7\u7684\u8def\u5f84\u8d28\u91cf\uff0c\u786e\u8ba4\u662f\u5426\u4e2d\u7ee7\u7ebf\u8def\u672c\u8eab\u6296\u52a8\uff0c\u8fd9\u90e8\u5206\u65b9\u6cd5\u4e0e <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/mariadb-replication-lag\/\">\u4e3b\u4ece\u590d\u5236\u5ef6\u8fdf<\/a>\u6392\u67e5\u91cc\u7684\u7f51\u7edc\u5206\u6bb5\u601d\u8def\u4e00\u81f4\uff1a\u5148\u5206\u6bb5\u6d4b\u91cf\uff0c\u518d\u5b9a\u4f4d\u52a3\u5316\u6bb5\u3002\u63e1\u624b\u6301\u4e45\u5931\u8d25\u7684\u573a\u666f\u5219\u8981\u68c0\u67e5\u4e24\u7aef NAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09\u7c7b\u578b\u4e0e keepalive \u8bbe\u7f6e\uff0cNAT \u540e\u7684\u8282\u70b9\u5e94\u914d\u7f6e PersistentKeepalive \u8ba9\u6620\u5c04\u4e0d\u8fc7\u671f\uff0c\u5426\u5219\u7a7a\u95f2\u4e00\u6bb5\u65f6\u95f4\u540e\u9996\u5305\u5fc5\u7136\u4e22\u5931\uff0c\u8fd9\u4e00\u70b9\u5728\u79fb\u52a8\u7aef\u63a5\u5165\u591a\u8df3\u7f51\u7edc\u65f6\u5c24\u5176\u5e38\u89c1\u3002<\/p>\n<h2>\u56db\u3001\u7aef\u5230\u7aef\u94fe\u8def\u9a8c\u8bc1<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u6309\u4e09\u6b65\u9a8c\u8bc1\u94fe\u8def\uff1a\u7b2c\u4e00\u6b65\u786e\u8ba4\u6bcf\u4e00\u6bb5\u96a7\u9053\u63e1\u624b\u90fd\u65b0\u9c9c\uff08wg show \u7684 latest handshake \u5e94\u5728\u4e24\u5206\u949f\u5185\uff09\uff1b\u7b2c\u4e8c\u6b65\u4ece\u6700\u8fdc\u7aef ping \u5168\u8def\u5f84\uff0c\u9a8c\u8bc1\u8f6c\u53d1\u4e0e\u8def\u7531\uff1b\u7b2c\u4e09\u6b65\u8dd1\u541e\u5410\u548c\u957f\u7a33\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">wg show wg0 latest-handshakes\nping -c 100 -i 0.1 10.0.0.4\niperf3 -c 10.0.0.4 -t 60<\/pre>\n<p>\u767e\u6b21\u5feb\u901f ping \u5173\u6ce8\u4e22\u5305\u7387\u662f\u5426\u4e3a\u96f6\uff0ciperf3 \u7684 60 \u79d2\u541e\u5410\u6d4b\u8bd5\u89c2\u5bdf\u662f\u5426\u5b58\u5728\u5468\u671f\u6027\u8dcc\u843d\u2014\u2014\u5468\u671f\u6027\u8dcc\u843d\u5f80\u5f80\u6307\u5411\u4e2d\u7ee7\u7684\u5e26\u5bbd\u7b56\u7565\u6216\u94fe\u8def\u62e5\u585e\uff0c\u800c\u4e0d\u662f WireGuard \u914d\u7f6e\u95ee\u9898\u3002\u541e\u5410\u6570\u636e\u8fd8\u53ef\u4ee5\u548c <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/redis-persistence-recovery\/\">Redis \u6301\u4e45\u5316\u6062\u590d<\/a>\u8fd9\u7c7b\u4f9d\u8d56\u7a33\u5b9a I\/O \u4e0e\u7f51\u7edc\u7684\u670d\u52a1\u57fa\u7ebf\u5bf9\u7167\uff0c\u5224\u65ad\u52a3\u5316\u662f\u5426\u7531\u94fe\u8def\u5c42\u4f20\u5bfc\u5230\u4e1a\u52a1\u5c42\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wireguard-multihop-relay-comparison.webp\" alt=\"\u94fe\u8def\u9a8c\u8bc1\u4e09\u6b65\u6d41\u7a0b\" loading=\"lazy\" \/><\/p>\n<h2>\u4e94\u3001\u76d1\u63a7\u4e0e\u957f\u671f\u8fd0\u7ef4<\/h2>\n<p>\u591a\u8df3\u7f51\u7edc\u4e0a\u7ebf\u540e\uff0c\u5efa\u8bae\u5bf9\u6bcf\u6bb5\u94fe\u8def\u505a\u6301\u7eed\u63a2\u6d4b\uff1a\u76d1\u63a7\u5404\u8282\u70b9\u63e1\u624b\u65b0\u9c9c\u5ea6\u3001\u6bb5\u95f4\u4e22\u5305\u7387\u4e0e\u5ef6\u8fdf\u3002\u4efb\u4e00\u6bb5\u52a3\u5316\u90fd\u80fd\u901a\u8fc7\u5206\u6bb5\u76d1\u63a7\u5feb\u901f\u5b9a\u4f4d\u5230\u5177\u4f53\u8df3\u3002\u5bc6\u94a5\u7ba1\u7406\u4e0a\uff0c\u5b9a\u671f\u8f6e\u6362\u4e2d\u7ee7\u7684\u79c1\u94a5\u5e76\u540c\u6b65\u66f4\u65b0\u4e24\u7aef\u914d\u7f6e\uff1b\u66f4\u6362\u4e2d\u7ee7\u65f6\u5148\u5e76\u884c\u63a5\u5165\u65b0\u4e2d\u7ee7\u3001\u9a8c\u8bc1\u901a\u8fc7\u540e\u518d\u4e0b\u7ebf\u65e7\u7684\uff0c\u907f\u514d\u6574\u94fe\u4e2d\u65ad\u3002\u52a0\u5bc6\u6d41\u91cf\u7ecf\u8fc7\u4e2d\u7ee7\u65f6\u4e2d\u7ee7\u53ef\u89e3\u5bc6\u4e0e\u5426\u53d6\u51b3\u4e8e\u62d3\u6251\u8bbe\u8ba1\uff1a\u7eaf IP 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