Using ping to troubleshoot SLIP link problems
Many common problems with all types of SLIP links can be
diagnosed with the ping command. ping the remote host:
ping remote_host_IP_address
If ping fails, check the systems at both ends of the SLIP connection to make sure the following are true:
If ping is successful when using the IP address of the
remote host, you may wish to ping the remote host using
the host names by which it should be reachable.
Execute the following command:
ping remote_hostname
If ping fails, it may fail with the following message:
ping: unknown host remote_hostnameThis error message indicates that the remote_hostname used on the ping command line does not have an entry in /etc/hosts or is not resolvable with DNS. This can be resolved by:
If ping is successful, but you are still unable to rlogin or telnet, continue to the next section.