Linux Error :113 No route to host

Chris Hewitt rhil at
Wed Jun 29 14:22:43 UTC 2005

On Wed, 2005-06-29 at 14:14, drumil narayan wrote:
> Hello,
> I installed oracle on RHEL 4.0 successfully.
> It was working fine.
> Suddenly, it had started giving following error,
> while trying to connect oracle database from any
> windows client or on server it self..
> TNS-12560:TNS: protocol Adapter Error
> TNS - 00530 : Protocol Adapter Error
> Linux error :113 : No route to host
> any clues will be appreciated..Drumil


It looks like your networking has changed. Picking the Oracle host from
your tnsnames.ora file that you are trying to get to, can you ping it?
If so, can you tnsping it?

Either the networking on your computer has changed or something between
you and the host you are trying to get to. Is the host up and running,
is there a firewall change?

It sounds like it will be one of these.



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