Update ipv6

ipv6

@@ -1,52 +1,42 @@
 #!/bin/bash
 
-echo "=== IPv6 专业检测工具 ==="
+echo "=== Ubuntu IPv6 基础检测 ==="
 
-# 颜色定义
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[1;33m'
-NC='\033[0m' # No Color
+# 检查系统版本
+echo "1. 系统信息:"
+lsb_release -d 2>/dev/null || echo "  Ubuntu $(uname -r)"
 
-# 检测函数
-check_with_color() {
-    if $1 &> /dev/null; then
-        echo -e "${GREEN}✓ $2${NC}"
-        return 0
-    else
-        echo -e "${RED}✗ $2${NC}"
-        return 1
-    fi
-}
-
-echo "正在执行IPv6检测..."
-
-# 1. 内核支持检测
-check_with_color "test -f /proc/net/if_inet6" "内核IPv6支持"
-
-# 2. IPv6地址检测
-echo -e "\nIPv6地址信息:"
-ip -6 addr show | grep "inet6" | head -5 | while read line; do
-    echo -e "  ${YELLOW}$line${NC}"
-done
-
-# 3. 连通性测试
-echo -e "\n连通性测试:"
-check_with_color "ping6 -c 1 -W 3 2001:4860:4860::8888" "Google IPv6 DNS"
-check_with_color "ping6 -c 1 -W 3 2606:4700:4700::1111" "Cloudflare IPv6 DNS"
-
-# 4. 路由检测
-echo -e "\nIPv6路由表:"
-ip -6 route show | head -5 | while read line; do
-    echo -e "  ${YELLOW}$line${NC}"
-done
-
-# 5. 总结报告
-echo -e "\n=== 检测总结 ==="
-if ip -6 addr show | grep -q "inet6" && ping6 -c 1 -W 2 2001:4860:4860::8888 &> /dev/null; then
-    echo -e "${GREEN}✅ 系统IPv6功能完整正常${NC}"
-elif ip -6 addr show | grep -q "inet6"; then
-    echo -e "${YELLOW}⚠️  系统有IPv6地址但无法访问外网${NC}"
+# 检查NetworkManager状态（Ubuntu默认）
+echo "2. 网络管理器状态:"
+if systemctl is-active NetworkManager >/dev/null 2>&1; then
+    echo "  ✓ NetworkManager 运行中"
 else
-    echo -e "${RED}❌ 系统未启用IPv6${NC}"
+    echo "  ⚠ NetworkManager 未运行"
+fi
+
+# 检查IPv6内核参数
+echo "3. IPv6内核参数:"
+if [[ $(cat /proc/sys/net/ipv6/conf/all/disable_ipv6 2>/dev/null) -eq 0 ]]; then
+    echo "  ✓ IPv6已启用"
+else
+    echo "  ✗ IPv6被禁用"
+fi
+
+# 检查网络接口
+echo "4. 网络接口IPv6状态:"
+for iface in $(ip -o link show | awk -F': ' '{print $2}'); do
+    ipv6_status=$(cat /proc/sys/net/ipv6/conf/$iface/disable_ipv6 2>/dev/null)
+    if [[ $ipv6_status -eq 0 ]]; then
+        echo "  ✓ $iface: IPv6已启用"
+    else
+        echo "  ✗ $iface: IPv6被禁用"
+    fi
+done
+
+# 测试连通性
+echo "5. IPv6连通性测试:"
+if ping6 -c 2 -W 3 2001:4860:4860::8888 >/dev/null 2>&1; then
+    echo "  ✓ IPv6外网连通正常"
+else
+    echo "  ✗ IPv6外网连通失败"
 fi