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network/dhcp4: disable IPv6OnlyMode= by default

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As explained in #30891, IPv6OnlyMode= should be enabled with 464XLAT
support, but we do not support it yet. Let's disable by default.

Fixes #30891.
This commit is contained in:
Yu Watanabe
2024-02-07 23:30:17 +00:00
committed by Luca Boccassi
parent 3092bd7aa1
commit 7dc431839e
3 changed files with 7 additions and 3 deletions
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src/network/networkd-dhcp4.c
+3 -1
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@@ -1455,10 +1455,12 @@ static bool link_dhcp4_ipv6_only_mode(Link *link) {
assert(link);
assert(link->network);
/* If it is explicitly specified, then honor the setting. */
if (link->network->dhcp_ipv6_only_mode >= 0)
return link->network->dhcp_ipv6_only_mode;
return link_dhcp6_enabled(link) || link_ipv6_accept_ra_enabled(link);
/* Defaults to false, until we support 464XLAT. See issue #30891. */
return false;
}
static int dhcp4_configure(Link *link) {