No reply to NDP request from Linux host Post: 302833215

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Special Forums IP Networking No reply to NDP request from Linux host Post 302833215 by SavLou on Tuesday 16th of July 2013 01:26:49 PM

07-16-2013

Registered User

No reply to NDP request from Linux host

Hi, new here.

We are attempting to prove that an application will be able to carry IPv6. All is fine with IPv4 but not so much with IPv6. For now, we're just starting to ping between hosts to ensure basic communication.

I'll try to put as much info but of course feel free to ask for more.

Ping from Linux to Windows host:
NDP request is sent out, Window replies. Ping goes out. All is good.

Ping from Windows to Linux host:
NDP request is sent from Windows but linux host does not reply. We're stuck

Ping from Linux to Linux host:
NDP request is sent but linux host does not reply. We're stuck

So it might be as simple as a few kernel options we missed but we cannot figure which one. We are using Kernel 2.6.24. Yes, it is old. But nothing we've read seems to indicated that it cannot work on 2.6.24.

Any insight appreciated.

Lou

SavLou

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LEARN ABOUT DEBIAN

rmcp-ping

RMCPING(8)						      System Manager Commands							RMCPING(8)

NAME

       rmcpping - send RMCP Ping to network hosts

SYNOPSIS

       rmcpping [OPTION...] destination

DESCRIPTION

       rmcpping  uses  the  RMCP  Ping request datagram to elicit an RMCP Pong response from a remote host. The utility can be used to verify if a
       remote host supports RMCP or IPMI. The initial starting sequence number will be randomized.  rmcpping will return 0 to the  environment	if
       it receives atleast 1 response from the remote host. Otherwise, it exits with a value of 1.

OPTIONS

       The following options are available

       -h     Output help menu.

       -V     Output version.

       -c count
	      Stop after sending count packets.

       -i interval
	      Wait interval seconds between sending each packet. The default is to wait for one second between each packet.

       -I interface address
	      Set source address to specified interface address. Argument may be numeric IP address or name of device.

       -t timeout
	      Time to wait for a response, in seconds. Default is five seconds.

       -v     Verbose output.

       -s num Specify an initial starting sequence number. The default is to use a random initial sequence number.

       -d     Turn on debugging.

KNOWN ISSUES

       It has been observed that some remote BMCs can get "confused" and delay packet responses if duplicate packets (with duplicate sequence num-
       bers) are sent in succession very quickly. There is no known way to cleanly deal with a "confused" BMC other than the wait awhile.

       Unlike ping(8), local network devicess (e.g. 127.0.0.1) cannot be "pinged".

REPORTING BUGS

       Report bugs to <freeipmi-users@gnu.org> or <freeipmi-devel@gnu.org>.

COPYRIGHT

       Copyright (C) 2007-2012 Lawrence Livermore National Security, LLC.
       Copyright (C) 2003-2007 The Regents of the University of California.

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as  published	by
       the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

ORIGIN

       Command and manpage based off ping(8).

SEE ALSO

       freeipmi(7), ping(8), ipmiping(8)

       http://www.gnu.org/software/freeipmi/

rmcpping 1.1.5							    2012-06-15								RMCPING(8)