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IP: No route through interface (Interface down)

The IP routing process failed to deliver a packet explicitely directed to a specific network interface. The network interface was either down or disabled. Packets directed to a specific network interface are used for example by DHCP (UDP) and by PPTP Tunnels (TCP/GRE).

If this error is reported for UDP broadcast packets rather often it usually indicates that DHCP client mode is configured for the interface but the interface is not connected to a network or disabled. In this case the DHCP mode should be changed to disabled.

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