COMMON ROUTING PROBLEMS

If a host does not come up after reboot, there may be a problem with some of the initialization scripts. In this case, boot the system in Single User mode and verify the initialization scripts.

If the host cannot communicate with any of the hosts on the network, there is a problem with the network interface. It may be a physical problem or a configuration problem. Use the ifconfig command to find out whether there is a configuration problem. Most common configuration problems are wrong IP address or a wrong netmask.

If a host cannot communicate with hosts on other networks, but can communicate with hosts on the local network, you have a problem with the routing table or the router. To verify that the routing table is ...

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