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Full Discussion: strange network problem
Special Forums IP Networking strange network problem Post 302290448 by frankkahle on Monday 23rd of February 2009 09:59:00 AM
Old 02-23-2009
strange network problem

system config. Red hat ES 5 . multiple network cards. front end and back end networks.

Problem:
Here is what I have diagnosed on linux 6 .....other machines on the network if you try to get there do not see linux 6, a ping results in “no route to host” message. However the system is running fine. I ran a ping from linux 6 outbound to linux 1 and it never lost a packet (84000) of them, but from linux 4 I could not get to linux 6. As soon as I pinged linux 4 from linux 6, all of a sudden linux 6 saw the machine and pings went through. So outbound from linux 6 there is no issue. I have never seen this in the 25 plus years I have been doing this, and I will continue to work on it to resolve the problem.

If anyone has any idea how to figure this one out I am open to suggestions.
 

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UUID(3) 							    Libuuid API 							   UUID(3)

NAME
uuid - DCE compatible Universally Unique Identifier library SYNOPSIS
#include <uuid.h> DESCRIPTION
The UUID library is used to generate unique identifiers for objects that may be accessible beyond the local system. This library generates UUIDs compatible with those created by the Open Software Foundation (OSF) Distributed Computing Environment (DCE) utility uuidgen. The UUIDs generated by this library can be reasonably expected to be unique within a system, and unique across all systems. They could be used, for instance, to generate unique HTTP cookies across multiple web servers without communication between the servers, and without fear of a name clash. CONFORMING TO
OSF DCE 1.1 AUTHOR
Theodore Y. Ts'o AVAILABILITY
libuuid is part of the util-linux package since version 2.15.1 and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. SEE ALSO
uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_is_null(3), uuid_parse(3), uuid_time(3), uuid_unparse(3) util-linux May 2009 UUID(3)
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