第五章变长子网掩码VLSM、汇总和TCP/IP故障排除 - 润新知

第五章变长子网掩码VLSM、汇总和TCP/IP故障排除

4个排障步骤：

1、ping环回地址

2、ping NIC

3、ping默认网关

4、ping远程设备；
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原文地址：https://www.cnblogs.com/zhangkuilong/p/9302233.html

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