ping使用 ICMP 协议规定的 ECHO_REQUEST 数据报引发一个来自主机或网管的 ICMP ECHO_RESPONSE 回应。 ECHO_REQUEST 数据报(“ping”信息)有一个 IP 和 ICMP 头部, 其后跟随了一个结构,包含 一个时间相关的值以及一个任意的“pad” 字节的随机数用以填充数据包。ping可以同时在 IPv4 和 IPv6 下工作。 如需明...
for TCP packets should be set to 60, but many systems use smaller values (4.3 BSD uses 30, 4.2 used 15). The maximum possible value of this field is 255, and most Unix systems set the TTL field of ICMP ECHO_REQUEST packets to 255. This is why you will find you can ``ping'' ...
The utility ping utilizes the ICMP (ICMP6 in IPv6) protocol's ECHO_REQUEST datagram to elicit an ICMP (ICMP6) ECHO_RESPONSE from the speci- fied host or network gateway. If host responds, ping will print: host is alive on the
$ ping -R example.com “There’s a Nong Nang Ning, Where the trees go Ping!” ~ Spike Milligan Related macOS commands Local man page:ping- Command line help page on your local machine. netstat - show network status. ifconfig- configure network interface parameters. ...
ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from a host or gateway. ECHO_REQUEST data- grams (``pings'') have an IP and ICMP header, followed by a struct timeval and
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Edit page Add to list Track Carding and Luisa are a married couple torn between their love for each other and issues of their respective families. Director Laurice Guillen Writers Laurice Guillen (screenplay) | Anna Karenina Ramos (screenplay) | Loida Viriña (version) (as Loida Virina)...
directoryFontNormal (Class Font) The font to use for the directory text. bothShown (Class Boolean) Either `true' or `false,' specifies X Version 11 Last change: xman 1.1.3 5 User Commands XMAN(1) whether or not you want both the directory and the manual page shown at start up. ...
Edit pageAdd to list Track Director Felix E. Dalay Writers Humilde 'Meek' Roxas(story & screenplay)|Jojo Lapus(story & screenplay) Producer Roselle Y. Monteverde Composer Mon Del Rosario Cinematographer Ver Dauz Editor Renato De Leon(as Ning-Ning De Leon) ...
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