ping <host> pattern <hexadecimal-digit> <option>
Specifies a hexadecimal digit pattern to fill the packet.
- The IPv4 address of the host.
- The IPv6 address of the host.
- A host being pinged. This keyword is used when the host is specified as a host name rather than as an IP address.
- Hexadecimal digit to fill the packet.
- Each of the following entries are considered options. These options can be issued consecutively, that is, in the same command line.
- Adaptively sets interpacket interval.
- Allows you to ping broadcast address.
- Makes a beep sound on every ping, while the device pings for host details.
- Bypasses normal routing tables during ping.
- Specifies the number of ping requests to send.
- Specifies the number of seconds before which ping expires.
- Matches the overall size of the data packet with the resultant size of the Layer 3 packet.
- Sends 100 ping requests each second.
- Specifies the interface that the device must use as source address.
- Specifies the time in seconds for which the device must wait between ping requests.
- Specifies that the device must consider the ping request for special processing.
- Specifies the path MTU discovery strategy.
- Suppresses loop-back of multicast pings.
- Does not resolve domain name system (DNS) names during ping.
- Specifies the hexadecimal digit pattern to fill the packet.
- Prints only the ping summary page.
- Records the route that the packet takes.
- Specifies the number of bytes to send for a ping request.
- Displays the timestamp during ping output.
- Marks packet with specified type of service (TOS).
- Specifies the maximum packet life-time for a host.
- Displays a detailed output for the ping command.
The ping command tests whether a network host is reachable.
The ping command uses the ECHO_REQUEST datagram (ping) of the ICMP protocol to get an ICMP ECHO_RESPONSE from a host or gateway. ECHO_REQUEST datagrams have an IP and an ICMP header, followed by a struct timeval data type and then an arbitrary number of pad bytes that are used to fill the packet.
When the ping command is interrupted by typing <Ctrl>+c, a brief statistical summary is displayed.
This example shows how to send a packet that contains all 1's. This example helps to diagnose data-dependent problems in a network.
vyatta@vyatta:~$ ping www.google.com pattern BCD PATTERN: 0xbc0d PING www.google.com (126.96.36.199) 56(84) bytes of data. 64 bytes from sea09s18-in-f16.1e100.net (188.8.131.52): icmp_req=1 ttl=54 time=20.4 ms 64 bytes from sea09s18-in-f16.1e100.net (184.108.40.206): icmp_req=3 ttl=54 time=20.3 ms From 10.18.170.201 icmp_seq=2 Destination Host Unreachable From 10.18.170.201 icmp_seq=4 Destination Host Unreachable --- www.google.com ping statistics --- 205 packets transmitted, 103 received, +102 errors, 49% packet loss, time 204233ms rtt min/avg/max/mdev = 20.095/20.417/20.861/0.235 ms, pipe 4 vyatta@vyatta:~$ ^C vyatta@vyatta:~$