[Feature Request] IPv6 address

[myssv]

It would be nice to see also the IPv6 address of the assets.

I'm just starting with a new network setup and it could help me a lot to see all the local IPv6 addresses, which should be fixed.

[leiweibau]

I'm just starting with a new network setup and it could help me a lot to see all the local IPv6 addresses, which should be fixed.

This probably won't happen. There are several reasons for this:

A device usually has at least three IPv6 addresses:
Link-local addresses (169.254.0.0/16 equivalent)
Unique local addresses (192.168.0.0/16 equivalent)
Unicast addresses (like a WAN IP)

The latter changes regularly, but can also remain unchanged for longer if connections to/from this IP are still open. I believe that ULAs can also be reassigned (if configured) at regular intervals. I experimented with this two years ago and found that it is not trivial. You can download the stand-alone script here (it actually only determines all MAC addresses). It is really just a “demo.” Beforehand, you need to install a Python package pip3 install netaddr.

test.py

ndp -a
...
fd3b:d18b:e290:0:d8:1d4a:9f8e:48f0      e8:1c:d8:1f:67:87    en0 23h59m36s S      
fd3b:d18b:e290:0:88a:f2c2:3359:8e9      f0:4:e1:99:b3:49     en0 23h59m3s  S      
fd3b:d18b:e290:0:c7f:2c3e:d315:2484     d0:4f:7e:68:74:7     en0 23h55m16s S      
fd3b:d18b:e290:0:1039:f012:bbb2:e5e8    34:28:40:3f:8a:32    en0 23h49m58s S      
fd3b:d18b:e290:0:14ef:517a:9cf5:c6fe    64:41:e6:5b:f8:74    en0 23h53m26s S

At the back, you can see the validity period of this IPv6. That should be a ULA. In my current query, two of these MACs have at least two different unicast addresses each. Without a name server, the assignment doesn't work at all, and you have to deal with the fact that one MAC can be assigned to several IPs. Presence detection also has its difficulties due to the long validity period.

And I also admit that I somehow can't tell the difference between link-local addresses and ULAs. Attempts to assign hosts their own ULA failed miserably.

[myssv]

For me the link local address will be enough. It never changes and is all I need to know for adressing in my lan.

[leiweibau]

I'll leave it as it is for now. Maybe I'll invest some more time in it, but not in the near future. Maybe there will be a pull request in this direction at some point.

[myssv]

ok, thanks for your feedback!

Oh: Happy New Year :-)

[leiweibau]

Thanks. Same to you.