目录一、检查本地网络接口状态二、验证默认路由配置三、排查防火墙拦截规则四、检测目标主机是否禁用ICMP响应五、检查DNS解析与目标地址有效性六、分析中间网络设备限制如果您在使用linux系统时尝试通过ping命令测试
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