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Openwrt作为网关会出现无法获取网站ip的问题怎么解决

要解决OpenWRT作为网关时无法获取网站IP的问题,可以从以下几个方面进行排查和解决:

  1. 检查DNS设置

    • 确保OpenWRT的DNS设置正确。可以在OpenWRT的网络设置中查看DNS服务器的配置,确保其指向有效的DNS服务器。
    • 可以尝试使用公共DNS服务器,如Google的8.8.8.8或Cloudflare的1.1.1.1。
  2. 网络接口配置

    • 确保网络接口配置正确,特别是WAN和LAN接口的设置。可以在“网络” -> “接口”中查看各接口的IP地址和子网掩码配置。
    • 确保WAN接口能够正确获取IP地址,并且路由器能够访问外部网络。
  3. 防火墙规则

    • 检查防火墙设置,确保没有阻止DNS请求的规则。可以在“网络” -> “防火墙”中查看相关规则。
    • 确保允许UDP和TCP的53端口(DNS端口)通过。
  4. 重启网络服务

    • 可以尝试重启网络服务或整个路由器,以确保配置生效。使用命令/etc/init.d/network restart重启网络服务。
  5. 日志检查

    • 查看系统日志和网络日志,寻找可能的错误信息。可以在“状态” -> “系统日志”中查看。
  6. 软件包更新

    • 确保OpenWRT的相关软件包是最新的。可以使用opkg updateopkg upgrade命令更新软件包。

通过以上步骤,应该能够解决OpenWRT作为网关时无法获取网站IP的问题。如果问题仍然存在,可能需要进一步检查网络环境或联系网络服务提供商。

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