Re: [gentoo-user] Why I can't I build systemd without ipv6?

[Jack <ostroffjh@users.sourceforge.net>]

On 2017.10.13 13:29, Daniel Frey wrote:
> I switched ISPs a couple months back and have been struggling with  
> networking issues (not LAN, just WAN.)
> 
> I have discovered that something is broken with my ISP's ipv6  
> support, every time I go to a website there's a 10-second delay. When  
> syncing portage today I saw what the delay is: apparently it tries  
> ipv6 twice, fails, then resorts to ipv4 which works fine.
> 
> Most of my systems now have ipv6 support removed, and viola! no more  
> delays.
> 
> Except for the three systems I have that run systemd. I went in the  
> kernel config to disable ipv6, and it won't let me - looking at the  
> dependency list, it's systemd blocking this.
> 
> So *why* on earth is it a dependency when (from what I've been  
> reading after discovering this) many ISPs don't seem to support it  
> properly yet?
> 
> And is there a way to build systemd without ipv6? Or am I going to  
> have to revert these three systems back to openrc?
> 
> Dan
Pretty much stabbing in the dark, but can you disable ipv6 somewhere in  
network configuration?   Can you compile it into the kernel as a  
module, and then blacklist it so it doesn't get loaded?

Jack