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GPRS Modes
Source IP check
Source port check
7.4.2
Function indicators
7.4.3 Parameters
Page 50 of 63
In parameter class 82, up to five IP addresses can be stored for the source
IP check. Only IP connection requests that have one of these IP addresses
as the source address will be accepted. If no match is determined for the
address, the ZDUE-GPRS-PLUS-VI rejects the connection request.
Precondition: The source IP check in parameter class 82 must be activated;
by default no IP check is performed.
In parameter class 82, up to five port numbers can be stored for the source
port check. Only IP connection requests that have one of these port
numbers as the as the source port number will be accepted. If no match is
determined for the port, the ZDUE-GPRS-PLUS-VI rejects the connection
request.
Precondition: The source port check in parameter class 82 must be
activated; by default no port check is performed.
In the GPRS mode, the function indicators behave the same as in the CSD
mode; A existingTCP/IP connection is not indicated.
The following table provides an overview of the parameter classes contained
in the ZDUE-GPRS-PLUS-VI additionally for GPRS mode.These classes are
assigned to numbers, which must also be specified in parameterisation
commands.
Provider classes
GPRS operating parameters
Parameters can only be written by writing a complete class (i.e. an offset
and length must also be specified with '0000').
Permitted access types
(R=Read/W=Write)
Class
60, 61
82
ZDUE-GPRS-PLUS-VI
R/W
R/W
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