dhcpcd-discuss

On 02/08/2020 22:11, Nathan O'Meara wrote:
> Looks like you're correct.  I see nothing in the tcpdump after restarting 
> dhcpcd.  So is my ISP doing it wrong, or is there a config I don't have right 
> for their config?  (Getting them to assist with ipv6 on a linux router is going 
> to be basically impossible)
>
> I have all icmpv6 allowed in my firewall (netfilter) config, so I don't think 
> I'm blocking a reply. (and I don't know - is tcpdump before or after the firewall?)

tcpdump ignores the firewall for the interface it's capturing on.

> I recently got an upgrade that required bonding (LACP) the connection to the
> modem - I renamed my interfaces and made the new bonded interface name the
> same as my old single wan interface name (wan0)  So, I have two wan0slave0
> and wan0slave1 interfaces, that the OS init scripts add to a bond called
> wan0, and I configured that to start before dhcpcd starts.
This might be the problem.
Try performing ipv6rs on those interfaces and see if anything comes back.
I don't know anything about bonding or LACP so I really can't help much more.

Roy