On 01/05/2017 01:51 PM, Ross Drummond wrote:
The problem is I want to discover the global Ipv6 address of hosts on
my LAN knowing the MAC address of each host.
Feeding the MAC address to the program ipv6calc to get the link local
address works fine but when I use this address with ping6 and its
discovery arguments I fail.
An example;
ping6 -I eth0 -N ipv6-global fe80::3631:XXXX:XXXX:XXXX
From the ping6 man page;
-N nodeinfo_option
ping6 only. Send ICMPv6 Node Information Queries(RFC4620), instead of Echo
Request. CAP_NET_RAW
capability is required.
help Show help for NI support.
name Queries for Node Names.
ipv6 Queries for IPv6 Addresses. There are several IPv6
specific flags.
ipv6-global
Request IPv6 global-scope addresses.
ipv6-sitelocal
Request IPv6 site-local addresses.
ipv6-linklocal
Request IPv6 link-local addresses.
ipv6-all
Request IPv6 addresses on other interfaces.
What am I doing wrong, is their another method of discovering the Ipv6
global address of a host on your LAN?
Cheers Ross Drummond
ip -6 neigh show
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Steve Holdoway BSc(Hons) MIITP
http://www.greengecko.co.nz
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