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With IPv4 I can use arp -a to show a list of the mappings between IPv4 addresses on the local network and the corresponding MAC (Ethernet) address.

I've got IPv6 configured but I can't see any IPv6 address from arp - any way I can see this data?

asked 22 Nov '11, 15:09

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aid
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accept rate: 5%


On Linux the command is "ip neigh show". This will show both ARP and NPD. If you want only NPD you can add -6 to the command.

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answered 28 Nov '11, 02:44

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Baldur
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accept rate: 100%

IPv6 uses Neighbor Discovery Protocol instead of ARP to associate IP addresses and MAC addresses.

On MacOS X (and other BSD based Unix systems) you can use the command "ndp -a" to see the IPv6 to MAC address mappings.

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This answer is marked "community wiki".

answered 22 Nov '11, 15:14

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aid
566172042
accept rate: 5%

On windows, use the following command to see the mappings,

C:>netsh interface ipv6 show neighbors

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answered 25 Dec '11, 07:30

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sarav2learn
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More commands available on IPv6 from the windows command prompt,

C:>netsh interface ipv6 show /?

The following commands are available:

Commands in this context:

show address - Shows IPv6 addresses.

show bindingcacheentries - Shows binding cache entries.

show destinationcache - Shows destination cache entries.

show dns - Displays the DNS server addresses.

show global - Shows global configuration parameters.

show interface - Shows interface parameters.

show joins - Shows IPv6 multicast addresses.

show mobility - Shows mobility configuration parameters.

show neighbors - Shows neighbor cache entries.

show prefixpolicy - Shows prefix policy entries.

show privacy - Shows privacy configuration parameters.

show routes - Shows route table entries.

show siteprefixes - Shows site prefix table entries.

show state - Shows the state of deprecated functionality.

show teredo - Shows Teredo service state.

C:>

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answered 25 Dec '11, 07:43

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sarav2learn
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Asked: 22 Nov '11, 15:09

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Last updated: 25 Dec '11, 07:43

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