Showing CDP info in ifconfig?

[Joe Holden]

On 14/01/2014 10:15, Dennis Yusupoff wrote:
> May be implement that functionality in ndp utility, as far it named
> after Neighbor Discovery Protocol?
>
> 14.01.2014 13:31, Bjoern A. Zeeb пишет:
>> No. Neither would lldp or other protocols. That’s what a higher level
>> management user interface is for. I’d be happy to finally see someone
>> do this in an abstracted way so it could be a cli, a Web interface, or
>> some xml-rpc thingy or whatever is the standard of the day. ifconfig
>> is not the place, especially since it would have to query a daemon
>> running somewhere else anyway. Otherwise we’ll end up with ndp, ospf,
>> isis, bgp, ipsec, and the apache, varnish, and squid status there as
>> well. Just my 2cts.
>
That is an even worse place to implement it, since NDP is essentially 
IPv6 ARP.

This should probably be in userland, GPL utilities already exist but 
there are/were some performance hits (not sure if the BPF writers 
patches fixed anything, or if they got merged in the end).