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ping
armink 98bc0ebdea Add Telnet README.md . 8 years ago
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README.md 43d17c5fb8 Update README.md H1 style. 8 years ago
SConscript 58226cece6 Add ping, tftp, iperf, netio, ntp, telnet utilities. 8 years ago
ping.c 98bc0ebdea Add Telnet README.md . 8 years ago

README.md

Ping

1、介绍

ping 是一种网络工具，用来测试数据包能否通过 IP 协议到达特定主机。估算与主机间的丢失数据包率（丢包率）和数据包往返时间（网络时延，Round-trip delay time）。

2、使用

ping 支持访问 IP 地址 或 域名 ，使用 Finsh/MSH 命令进行测试，大致使用效果如下：

2.1 Ping 域名

msh />ping rt-thread.org
60 bytes from 116.62.244.242 icmp_seq=0 ttl=49 time=11 ticks
60 bytes from 116.62.244.242 icmp_seq=1 ttl=49 time=10 ticks
60 bytes from 116.62.244.242 icmp_seq=2 ttl=49 time=12 ticks
60 bytes from 116.62.244.242 icmp_seq=3 ttl=49 time=10 ticks
msh />

2.2 Ping IP

msh />ping 192.168.10.12
60 bytes from 192.168.10.12 icmp_seq=0 ttl=64 time=5 ticks
60 bytes from 192.168.10.12 icmp_seq=1 ttl=64 time=1 ticks
60 bytes from 192.168.10.12 icmp_seq=2 ttl=64 time=2 ticks
60 bytes from 192.168.10.12 icmp_seq=3 ttl=64 time=3 ticks
msh />