[pve-devel] [PATCH container 1/1] fix #5538: network: enable accept_ra for DHCPv6 configurations

[Alex Goodkind via pve-devel <pve-devel@lists.proxmox.com>]

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From: Alex Goodkind <alex@goodkind.io>
To: pve-devel@lists.proxmox.com
Cc: tarick@bedeir.com, Alex Goodkind <alex@goodkind.io>
Subject: [PATCH container 1/1] fix #5538: network: enable accept_ra for DHCPv6 configurations
Date: Mon, 10 Nov 2025 23:14:50 -0800
Message-ID: <20251111071450.10188-2-alex@goodkind.io>

DHCPv6 requires Router Advertisements to function as specified in
the IPv6 standard. Previously, accept_ra was only enabled for 'auto'
mode, causing DHCPv6 configurations to fail when RAs were needed.

Enable accept_ra for both 'auto' and 'dhcp' IPv6 modes.

Signed-off-by: Alex Goodkind <alex@goodkind.io>
---
 src/PVE/LXC/Setup/Base.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/PVE/LXC/Setup/Base.pm b/src/PVE/LXC/Setup/Base.pm
index a2c88ed..bb4a12b 100644
--- a/src/PVE/LXC/Setup/Base.pm
+++ b/src/PVE/LXC/Setup/Base.pm
@@ -296,6 +296,7 @@ DATA
         if (defined(my $ip = $d->{ip6})) {
             if ($ip eq 'dhcp') {
                 $dhcp |= $DHCP6;
+                $accept_ra = 'true';
             } elsif ($ip eq 'auto') {
                 $accept_ra = 'true';
             } elsif ($ip ne 'manual') {
-- 
2.43.0



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