On 03/07/18 07:04, Chris Caudle wrote: > Could be the case that AUTOCONF and DHCPv6 are mutually exclusive now. > I have a CentOS 7.4 machine which seems to be running correctly with both > IPV6_AUTOCONF=yes and DHCPV6C=yes, but that distribution has dhclient > provided by dhclient-4.2.5-58.el7.centos.1 and Fedora 27 is using rhclient > from dhcp-client-4.3.6-9.fc27. Could be changed behavior between 4.2 and 4.3 > of dhclient. > > Against that hypothesis is that the dhclient did log that it was requesting > on the second interface, which has the same settings in the ifcfg file. I'll > try some different settings tonight. I'm pretty sure that the current > version of the file was hand edited, I have used nmcli and nmtui in the past. > I just edited the connection with nmtui and it did use only the autoconf > directive, not the dhcp, so I will see if that worked. It did not just from > restarting NetworkManager, I will have to try later bringing the interface > down all the way and restarting. I am connected over that network via ssh > currently so I can't easily shut it down. >
OK. Just one thing to note. Auto-Configuration, also known as stateless, will only work if the router is configured to supply "router advertisements" FWIW, I do think a network can have both. Just not sure if a client can define both. I would be concerned with inconsistent addresses being assigned. I've just not been able to test it since I only have one router on my system and it can only be configured for "stateless" or "stateful (dhcp)" operation. -- If simple questions can be answered with a simple google query then why are there so many of them?
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