From b9923ae63875f9dbce97872c5b13546689a01b75 Mon Sep 17 00:00:00 2001
From: bin456789 <bin456789@gmail.com>
Date: Tue, 23 Jul 2024 00:14:44 +0800
Subject: [PATCH] =?UTF-8?q?core:=20=E4=BF=AE=E5=A4=8D=E7=94=B2=E9=AA=A8?=
 =?UTF-8?q?=E6=96=87=E6=B2=A1=E6=9C=89=20IPv6=20=E6=97=B6=EF=BC=8C?=
 =?UTF-8?q?=E5=BC=80=E6=9C=BA=E9=9C=80=E8=A6=81=E7=AD=89=20DHCPv6=20?=
 =?UTF-8?q?=E8=B6=85=E6=97=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

甲骨文即使没有添加 IPv6 地址，RA DHCPv6 标志也是开的
部分系统开机需要等 DHCPv6 超时
这种情况需要禁用 DHCPv6
---
 trans.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/trans.sh b/trans.sh
index 282e918..160a1c8 100644
--- a/trans.sh
+++ b/trans.sh
@@ -487,7 +487,16 @@ is_dhcpv6() {
         return 1
     fi
     get_netconf_to dhcpv6
+
     # shellcheck disable=SC2154
+    # 甲骨文即使没有添加 IPv6 地址，RA DHCPv6 标志也是开的
+    # 部分系统开机需要等 DHCPv6 超时
+    # 这种情况需要禁用 DHCPv6
+    if [ "$dhcpv6" = 1 ] && ! ip -6 -o addr show scope global dev "$ethx" | grep -q .; then
+        echo 'DHCPv6 flag is on, but DHCPv6 is not working.'
+        return 1
+    fi
+
     [ "$dhcpv6" = 1 ]
 }