ping

ping
	225.2. Common Commands

Name

ping — Verify network connectivity

Synopsis

ping [-v ] [-i local_IP_address] [-l length] [-n count] [-t timeout] [-r rate] {-h server_IP_address}

Arguments

Name	Type	Description	Default
-v	Boolean	Be verbose, displaying information about each packet sent.	quiet
-n `local_IP_address`	Number	Controls the number of packets to be sent.	10
-i `local_IP_address`	Numeric IP or DNS name	The IP address RedBoot should use.	Value set by ip_address
-h `server_IP_address`	Numeric IP or DNS name	The IP address of the host to contact.	none
-l `length`	Number	The length of the ICMP data payload.	64
-r `length`	Number	How fast to deliver packets, i.e. time between successive sends. A value of 0 sends packets as quickly as possible.	1000ms (1 second)
-t `length`	Number	How long to wait for the round-trip to complete, specified in milliseconds.	1000ms (1 second)

Description

The ping command checks the connectivity of the local network by sending special (ICMP) packets to a specific host. These packets should be automatically returned by that host. The command will indicate how many of these round-trips were successfully completed.

Examples

Test connectivity to host 192.168.1.101.

RedBoot> ping -h 192.168.1.101
Network PING - from 192.168.1.31 to 192.168.1.101
PING - received 10 of 10 expected

Test connectivity to host 192.168.1.101, with verbose reporting.

RedBoot> ping -h 192.168.1.101 -v -n 4
Network PING - from 192.168.1.31 to 192.168.1.101
 seq: 1, time: 1 (ticks)
 seq: 2, time: 1 (ticks)
 seq: 3, time: 1 (ticks)
 seq: 4, time: 1 (ticks)
PING - received 10 of 10 expected

Test connectivity to a non-existent host (192.168.1.109).

RedBoot> ping -h 192.168.1.109 -v -n 4
PING: Cannot reach server '192.168.1.109' (192.168.1.109)


mfill		reset

2024-03-18

eCosPro Non-Commercial Public License