07-16-2013
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
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IP-TOKEN(8) Linux IP-TOKEN(8)
NAME
ip-token - tokenized interface identifier support
SYNOPSIS
ip token { COMMAND | help }
ip token set TOKEN dev DEV
ip token del dev DEV
ip token get [ dev DEV ]
ip token [ list ]
DESCRIPTION
IPv6 tokenized interface identifier support is used for assigning well-known host-part addresses to nodes whilst still obtaining a global
network prefix from Router advertisements. The primary target for tokenized identifiers are server platforms where addresses are usually
manually configured, rather than using DHCPv6 or SLAAC. By using tokenized identifiers, hosts can still determine their network prefix by
use of SLAAC, but more readily be automatically renumbered should their network prefix change [1]. Tokenized IPv6 Identifiers are described
in the draft [1]: <draft-chown-6man-tokenised-ipv6-identifiers-02>.
ip token set - set an interface token
set the interface token to the kernel.
TOKEN the interface identifier token address.
dev DEV
the networking interface.
ip token del - delete an interface token
delete the interface token from the kernel.
dev DEV
the networking interface.
ip token get - get the interface token from the kernel
show a tokenized interface identifier of a particular networking device. Arguments: coincide with the arguments of ip token set but the
TOKEN must be left out.
ip token list - list all interface tokens
list all tokenized interface identifiers for the networking interfaces from the kernel.
SEE ALSO
ip(8)
AUTHOR
Manpage by Daniel Borkmann
iproute2 28 Mar 2013 IP-TOKEN(8)