Re: Error output from ndp -an

On 2018-12-28, Denis Fondras <openbsd@ledeuns.net> wrote:

>> I'm using OpenBSD 6.4 on a pcengines apu2 box as a router/firewall for a
>> CenturyLink DSL (pppoe) connection.
>>
>> [aaron@apu2] ~$ ndp -an
>> Neighbor Linklayer Address Netif Expire S
>> Flags
>> ndp: ioctl(SIOCGNBRINFO_IN6): Invalid argument
>> ndp: failed to get neighbor information
>
> Are you sure ndp and the kernel are in sync ?

It's a problem with pppoe interfaces.

# ndp -an
...
ndp: ioctl(SIOCGNBRINFO_IN6): Invalid argument
ndp: failed to get neighbor information
fe80::100:100:3e9b:f6ab%pppoe0 (incomplete) pppoe0
...

OpenBSD 6.4-current (GENERIC.MP) #0: Tue Dec 11 17:26:50 CET 2018

--
Christian "naddy" Weisgerber naddy@mips.inka.de