SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09

18Internet protocol transport layer
Page 184 of 307
Parameter Type Description
<opt_val>: signed 32 bit numeric parameter representing the milliseconds for
"keepidle" option. The range is 0-2147483647. The default value is 7200000 (2
hours)
• 65535: socket
<opt_name> for socket level options may be:
o 4: local address re-use.
<opt_val>: numeric parameter, it configures the "local address re-use" option.
- 0 (default value): disabled
- 1: enabled
o 8: keep connections alive.
<opt_val>: numeric parameter, it configures "keep connections alive" option.
- 0 (default value): disabled
- 1: enabled
o 32: sending of broadcast messages.
<opt_val>: numeric parameter, it configures "sending of broadcast
messages".
- 0 (default value): disabled
- 1: enabled
o 128: linger on close if data present.
<opt_val>: numeric parameter, it configures the "linger" option.
- 0 (default value): disabled
- 1: enabled
<opt_val2>: signed 16 bit numeric parameter, it sets the linger time, the range
goes from 0 to 32767 in milliseconds. The default value is 0.
o 512: local address and port re-use.
<opt_val>: numeric parameter, it configures the "local address and port re-
use".
- 0 (default value): disabled
- 1: enabled
<opt_name> Number Type and supported content depend on related <level> (details are given above).
<opt_val> Number Type and supported content depend on related <level> (details are given above).
<opt_val2> Number Type and supported content depend on related <level> (details are given above).
18.5.4î™–î™–î™–î™–Notes
SARA-R4 / SARA-N4
• <level> 6: TCP protocol, <opt_name> 2: keepidle option, is not supported.
18.6î™–î™–î™–î™–Get Socket Option +USOGO
+USOGO
SARA-R404M SARA-R410M-01B SARA-R410M-02B SARA-R410M-52B SARA-R412MModules
SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - TCP/UDP/IP
Error +CME
Error
18.6.1î™–î™–î™–î™–Description
Retrieves the specified standard option (type of service, local address re-use, linger time, time-to-live, etc) for
the specified socket, like the BSD getsockopt routine.
18.6.2î™–î™–î™–î™–Syntax
Type Syntax Response Example
Set AT+USOGO=<socket>,<level>,<opt_
name>
+USOGO: <opt_val>[,<opt_val2>]
OK
AT+USOGO=0,0,2
+USOGO: 255
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