Chapter 1 MAINTENANCE SERVICES
1-55
NWA-033627-001 Rev.4.0
95ch1001.fm
PING COMMAND
List of ICMP TYPE
• Receiving ICMP TYPE=0 (ping reply) from the destination terminal means that the terminal is
correctly connected/set.
• Receiving ICMP TYPE=3/11/12 (reply [error]) from the destination terminal means that the ter-
minal is not correctly connected/set.
NOTE 1:
If ICMP TYPE not listed above is received, “HARDWARE ERROR” is displayed.
NOTE 2:
TOS (Type of Service) is present in IP header, and represents QoS (Quality of Service). Prece-
dence/delay/throughput/reliability that determine quality are contained within TOS.
Programming Procedure
ICMP
TYPE
CLASSIFI-
CATION
GENERAL DESCRIPTION
MEANING
12
Reply
(error)
Reply message resulting by the IP
header being abnormal or a required
option is not effective.
• IP header abnormal
• Required options are unknown.
DESCRIPTION
DATA
Execute a ping command.
•
(1)
(2)
Y=2001 (20 + Unit No. 01)
XXX.XXX.XXX.XXX:
1.0.0.0-255.255.255.255:
IP address of the destination for the ping
command (7-15 digits)
Reply for the ping command (Display
only):
XXX.XXX.XXX.XXX: Z:
XXX.XXX.XXX.XXX=
Sending destination IP address
Z=ICMP TYPE
NOTE:
You can not assign the following data to IP addresses of the destination for the ping com-
mand.
• Top of the IP address is 0 (0.xxx.xxx.xxx)
START
CMFA
END
JULY/17/2009
