07-25-2013
Hi, I am working on this issue as well with SavLou,
Iptables and ip6tables are usually used on Busybox for firewall rules, but they are not even installed / running on the hosts.
So no, no firewall logs…
The ICMPv6 NDP "neighbor solicitation" (type 135) is properly sent from host A as monitored on host C, but device B never gets any packet. All are connected on an IPv6 capable switch.
It is as if device B does not receive IPv6 multicast packets.
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LEARN ABOUT DEBIAN
ndsend
ndsend(8) Containers ndsend(8)
NAME
ndsend - send a Neighbor Advertisement NDP packet
SYNOPSIS
ndsend address interface
DESCRIPTION
The ndsend utility is called by arpsend(8) for IPv6 addresses to send an unsolicited Neighbor Advertisement ICMPv6 multicast packet
announcing a given IPv6 address to all IPv6 nodes as per RFC4861.
OPTIONS
address
Specify the IPv6 address to be advertised.
interface
Specify the network interface to send an advertisement from.
EXIT STATUS
ndsend returns 0 upon successful execution. If something goes wrong, it returns an appropriate error code:
1 EXC_USAGE
Usage error
2 EXC_SYSTEM
System error
EXAMPLES
To send a Neighbor Advertisement ICMPv6 on interface eth0 with IPv6 address 2001:DB8::1:
ndsend 2001:DB8::1 eth0
SEE ALSO
arpsend(8), vzctl(8).
LICENSE
Copyright (C) 2000-2011, Parallels, Inc. Licensed under GNU GPL.
AUTHOR
This manual page was initially written by Thorsten Schifferdecker <tsd@debian.systs.org> for the Debian GNU/Linux system (but may be used
by others).
OpenVZ 28 Jun 2011 ndsend(8)