Mic*_*son 4 windows vpn tcpip routing
我的 Windows 笔记本电脑直接连接到 192.168.1.0/24(无线局域网)。我通过连接到两个网络的路由器访问 10.21.0.0/16。路由在此配置下工作正常。
我有一个连接到 10.0.0.0/8 的 VPN。VPN 网络实际上不使用 10.21.0.0/16 范围内的任何 IP。所以我应该能够配置我的路由表,通过无线局域网路由所有 10.21.0.0/16 IP,通过 VPN 路由所有其他 10.0.0.0/8。
我的理解是,如果 10.21.0.0 的指标低于 10.0.0.0 的指标,我可以这样做。VPN (10.0.0.0) 自动分配了度量 20。我手动为 WLAN 分配了度量 1。我使用以下命令手动向路由表添加了一个条目:
route add 10.21.0.0 mask 255.255.0.0 192.168.1.201 metric 1
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然后为路由分配一个度量 2(这是预期的)。
问题是它不起作用。我无法 ping 10.21.0.0 网络上的任何机器。但是我可以访问 10.0.0.0 上的其他东西。我也可以访问 192.168.1.0 上的东西。
为了调试这个,我做了以下工作。
这是路由表的相关部分。
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 192.168.1.201 192.168.1.18 2
10.0.0.0 255.0.0.0 On-link 10.55.44.203 20
10.21.0.0 255.255.0.0 192.168.1.201 192.168.1.18 2
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更新
根据要求,这里是输出 route print 10.21.0.1
C:\>route print 10.21.0.1
===========================================================================
Interface List
17...02 50 f2 00 00 05 ......AGN Virtual Network Adapter
16...a0 88 b4 e1 8f 20 ......Intel(R) Centrino(R) Advanced-N 6205
1...........................Software Loopback Interface 1
10...00 00 00 00 00 00 00 e0 Microsoft Teredo Tunneling Adapter
11...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter
18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
47...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
None
Persistent Routes:
None
IPv6 Route Table
===========================================================================
Active Routes:
None
Persistent Routes:
None
C:\>
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很好的捕获,这可能是问题所在。但是,即使为我知道已启动的特定主机添加路由,也不起作用。
C:\>route print 10.*
===========================================================================
Interface List
17...02 50 f2 00 00 05 ......AGN Virtual Network Adapter
16...a0 88 b4 e1 8f 20 ......Intel(R) Centrino(R) Advanced-N 6205
1...........................Software Loopback Interface 1
10...00 00 00 00 00 00 00 e0 Microsoft Teredo Tunneling Adapter
11...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter
18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
47...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
10.0.0.0 255.0.0.0 On-link 10.76.206.8 20
10.21.0.0 255.255.0.0 192.168.1.201 192.168.1.18 2
10.21.61.1 255.255.255.255 192.168.1.201 192.168.1.18 2
10.76.206.0 255.255.255.0 On-link 10.76.206.8 276
10.76.206.8 255.255.255.255 On-link 10.76.206.8 276
10.76.206.255 255.255.255.255 On-link 10.76.206.8 276
10.255.255.255 255.255.255.255 On-link 10.76.206.8 276
===========================================================================
Persistent Routes:
None
C:\>ping 10.21.61.1
Pinging 10.21.61.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 10.21.61.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
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如果我连接到路由器 (192.168.1.201) 并运行 tcpdump,我在笔记本电脑连接的接口上看不到任何到 10.21.0.0/16 的数据包。
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