SYSTem:COMMunicate:LAN:HISTory?
Syntax
SYSTem:COMMunicate:LAN:HISTory?
Description
This command returns a time-stamped record of all LAN session connections and disconnections.
Remarks
To clear the LAN connection history queue, use the SYSTem:COMMunicate:LAN:HISTory:CLEar command.
Return Format
The command returns the LAN connection history in Definite-Length Block format. The syntax is a pound sign (#) followed by a non-zero digit representing the number of digits in the decimal integer to follow. This digit is followed by a decimal integer indicating the number of 8-bit data bytes to follow. This is followed by a block of data containing the specified number of bytes.
For example:
|
|
Each connection record is enclosed in quotes and multiple
responses are separated by commas. For example:
|
|
|
|
1 Date (November 21, 2004) |
4 Session Number |
|
2 Time of Day (1:30:00 PM) |
5 Session
Type (LAN, SOCKets, TELNet, |
|
3 IP Address |
6 Connect/Disconnect Status |
If the connection history has been cleared, this command returns "#10".
Example
The following query returns the LAN connection history.
SYST:COMM:LAN:HIST?
Typical Response:
#3215"11/21/2004 13:30:00 169.254.149.35-1 VXI11 Connect","11/21/2004
13:35:24 169.254.149.35-2 VXI11 Connect","11/21/2004 13:50:02
169.254.149.35-1 VXI11 Disconnect","11/21/2004 14:03:54 169.254.149.35-2
VXI11 Disconnect"