服务器不通过直接连接的网卡进行通信

我有2个服务器（Windows Server 2012 R2），每个都有（多于）2个网卡。 我希望两台服务器都使用1个网卡作为“Internet”，1个网卡直接与另一台服务器通信。 （目前还有第三台服务器，但现在我不会详细介绍）。

服务器1具有公共IP 63.148.179.243（接口14）和本地IP 192.168.211.13（接口15）
服务器2具有公共IP 63.148.179.244和本地IP 192.168.211.15
（接口15直接连接到服务器2）

我希望服务器能够直接进行通信，即使我会通过公共IP来解决这些问题。 我假设我必须在服务器1上添加这样的路由： route -p add 63.148.179.244/32 192.168.211.13 metric 10 if 15

但即使这样做后，如果我打开服务器1上的浏览器，并从http://63.148.179.244/hugeFile.txt下载一个巨大的文件，我看到连接到Internet的网卡正在满负荷，下载速度比我想象的要低得多。

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我也尝试了稍微不同，没有更好的结果，使用： route -p add 63.148.179.244/32 192.168.211.15 metric 10 if 15 and route -p add 63.148.179.244/32 192.168.211.13 metric 10 if 14

添加路线时，看起来像这样：

 C:\Windows\system32>route -p add 63.148.179.244/32 192.168.211.13 metric 10 if 15 OK! C:\Windows\system32>route print =========================================================================== Interface List 20...02 c5 d5 76 49 2c ......Microsoft Failover Cluster Virtual Adapter 13...94 57 a5 57 86 6d ......HP Ethernet 1Gb 4-port 331i Adapter #2 15...94 57 a5 57 86 6e ......HP Ethernet 1Gb 4-port 331i Adapter #3 14...94 57 a5 57 86 6c ......HP Ethernet 1Gb 4-port 331i Adapter 1...........................Software Loopback Interface 1 16...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2 17...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter 18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #3 19...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #4 =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 63.148.179.241 63.148.179.243 276 63.148.179.240 255.255.255.240 On-link 63.148.179.243 276 63.148.179.242 255.255.255.255 On-link 192.168.211.12 20 63.148.179.243 255.255.255.255 On-link 63.148.179.243 276 63.148.179.244 255.255.255.255 On-link 192.168.211.13 20 63.148.179.251 255.255.255.255 On-link 63.148.179.243 276 63.148.179.252 255.255.255.255 On-link 63.148.179.243 276 63.148.179.255 255.255.255.255 On-link 63.148.179.243 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.211.0 255.255.255.0 On-link 192.168.211.12 266 192.168.211.0 255.255.255.0 On-link 192.168.211.13 266 192.168.211.12 255.255.255.255 On-link 192.168.211.12 266 192.168.211.13 255.255.255.255 On-link 192.168.211.13 266 192.168.211.255 255.255.255.255 On-link 192.168.211.12 266 192.168.211.255 255.255.255.255 On-link 192.168.211.13 266 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 63.148.179.243 276 224.0.0.0 240.0.0.0 On-link 192.168.211.12 266 224.0.0.0 240.0.0.0 On-link 192.168.211.13 266 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 63.148.179.243 276 255.255.255.255 255.255.255.255 On-link 192.168.211.12 266 255.255.255.255 255.255.255.255 On-link 192.168.211.13 266 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 0.0.0.0 0.0.0.0 63.148.179.241 Default 63.148.179.242 255.255.255.255 192.168.211.12 10 63.148.179.244 255.255.255.255 192.168.211.13 10 =========================================================================== IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 17 1026 ::/0 2002:c058:6301::1 1 306 ::1/128 On-link 17 1025 2002::/16 On-link 17 281 2002:3e94:b3f3::3e94:b3f3/128 On-link 17 281 2002:3e94:b3fb::3e94:b3fb/128 On-link 17 281 2002:3e94:b3fc::3e94:b3fc/128 On-link 14 276 fe80::/64 On-link 13 266 fe80::/64 On-link 15 266 fe80::/64 On-link 15 266 fe80::196e:792:9b88:76d9/128 On-link 13 266 fe80::64f0:273b:28a6:72b9/128 On-link 14 276 fe80::f94d:9dfa:c394:9f82/128 On-link 1 306 ff00::/8 On-link 14 276 ff00::/8 On-link 13 266 ff00::/8 On-link 15 266 ff00::/8 On-link =========================================================================== Persistent Routes: None C:\Windows\system32> 

请指教。