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Configuring X.25 8-19
Closed User Group Parameters
The Closed User Group (CUG) function is an X.25 privacy feature that allows cre-
ation of up to 100 groups of users per port. Members of a CUG can communicate with
other members, but access to and from network users outside that CUG may be denied
(determined by
Outgoing Access Allowed
and
Incoming Access Allowed
). The CUG
index number is included in call packets, and is cross-referenced with the CUG Index
in the SmartSwitch software.
Preferential CUG Flag
specifies whether the port has a preferential CUG if the port belongs to any CUGs.
Preferential CUG
is a default CUG for the port. Any calls that do not specify a CUG will default to this
one if
Preferential CUG Flag
is
Y
. A new port has CUG
0
specified here.
Incoming Access Allowed
determines whether this port will be allowed to receive calls from outside its CUGs.
Outgoing Access Allowed
determines whether this port will be allowed to make calls outside its CUGs.
Add/Change CUG
To configure a CUG, select this entry and, when prompted, enter:
●
CUG Index,
0-99
(the default is
0
), which is a reference to the CUG.
●
CUG number,
1-16383
(the default is
1
), that will be associated with the index.
●
any other requested information. (See Table 8-1 on page 8-6.)
Display All CUGs
Selecting this item will display a list of all configured CUGs.
Delete CUG
To delete a CUG, select this item and enter the index (see "Add/Change CUG") of the
CUG to be deleted.