Omron CS1W-ETN21 operation manual TCP Close Request, Enetunreach, Ehostunreach

Command/Response Reference		Section 7-3
Results Storage Area Response Codes
	Response code	Description
	0000	Normal
	0020	Connection to the remote socket was broken during transmis-
		sion (EPIPE).
	003E	Internal buffer cannot be reserved due to high receive load
		(ENOBUFS).
	0042 (see note)	An error occurred (EMSGSIZE).
	0044 (see note)	Received ICMP data (ENOPROTOOPT).
	0045 (see note)	A communication error occurred with the remote node
		(ECONNABORTED).
	004B (see note)	A communication error occurred with the remote node
		(ECONNRESET).
	004E (see note)	A parameter error occurred at the remote IP address
		(ENETUNREACH).
	004F (see note)	Received ICMP data (EHOSTDOWN).
	0051 (see note)	A parameter error occurred at the remote IP address
		(EHOSTUNREACH).
	0053 (see note)	A communication error occurred with the remote node
		(ETIMEDOUT).
	0081	The specified socket was closed during transmission.

Note These errors occur only in large multilayered networks.

7-3-17 TCP CLOSE REQUEST

Requests processing to close a TCP socket. Other processing being carried out is forcibly ended and a code is recorded in the results storage area.

Command Block

27	14
Command		Results storage area

code

TCP socket number Socket option

Response Block

27 14

Command Response

code code

Results Storage Format

	Response code
Parameters
Socket Option (Command)	The socket option specified as 1 byte. The setting is not valid for this com-
	mand. Set to 0.
TCP Socket Number	The TCP socket number to be closed specified as 1 byte between 1 and 8.
(Command)

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