From f5a8c43f39937d97c9ed75e3fe8621945b42b0db Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Sun, 18 Oct 2015 18:25:58 +0200 Subject: networkd: IPv6 router discovery - follow IPv6AcceptRouterAdvertisemnt= The previous behavior: When DHCPv6 was enabled, router discover was performed first, and then DHCPv6 was enabled only if the relevant flags were passed in the Router Advertisement message. Moreover, router discovery was performed even if AcceptRouterAdvertisements=false, moreover, even if router advertisements were accepted (by the kernel) the flags indicating that DHCPv6 should be performed were ignored. New behavior: If RouterAdvertisements are accepted, and either no routers are found, or an advertisement is received indicating DHCPv6 should be performed, the DHCPv6 client is started. Moreover, the DHCP option now truly enables the DHCPv6 client regardless of router discovery (though it will probably not be very useful to get a lease withotu any routes, this seems the more consistent approach). The recommended default setting should be to set DHCP=ipv4 and to leave IPv6AcceptRouterAdvertisements unset. --- src/network/networkd-link.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/network/networkd-link.h') diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h index d915e7c9c0..f453665655 100644 --- a/src/network/networkd-link.h +++ b/src/network/networkd-link.h @@ -157,6 +157,7 @@ bool link_ipv6ll_enabled(Link *link); bool link_dhcp4_server_enabled(Link *link); bool link_dhcp4_enabled(Link *link); bool link_dhcp6_enabled(Link *link); +bool link_ipv6_accept_ra_enabled(Link *link); const char* link_state_to_string(LinkState s) _const_; LinkState link_state_from_string(const char *s) _pure_; -- cgit v1.2.3-54-g00ecf