Configuring X.25 8-3
The third screen may be the last you need to configure for this port. At that screen:
If you wa nt to conf igur e one or mo re clo s e d user gr o ups, pre ss [N]. (See "Con-
figuring Closed User Groups" below)
If this will be one end of a network trunk, press [O]. (See "Confi guring a
Networ k Trunk " on page 8-4.)
If this port will be connected to a dial modem, press [P]. (See "Configuring a
Dial Port" on page 8-5.)
If none of the above app l i es , pr e s s [F3] twice to return to X.25 Port screen 1, then
perform the next desired operation.
You cannot configure a port to be both a Network trunk and a Dial port.
Configuring Closed User Groups
Closed User Group (CU G) is a pr ivacy featu re th at allows creation 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 outs ide that CUG may be denied (dete rmined b y the
settings configured for Outgoing Access Allowed and Incoming Access Allowed). The
CUG index number is included in call packets, and is cross-referenced with the CUG
Index i n the Sma rtSwi tch 1800 softwa re.
Figure 8-2 X.25 Po rt CUG P aramet ers
To configure a CUG, press [E] and, when prompted, enter:
CUG Index: 0-99 (the default is 0), which is simply 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.)
To delete a CUG, press [F] and enter the index of the CUG to be deleted.
Node Name=nodexyz
X.25 Port Parameters (screen 4 of 6)
* RLP: 0 Port: 1 Li nk State: Linkup
* I/O:–UNIV E RSA L Database System Memory
A Preferential CUG Flag N N
B Preferential CUG 0 0
C Inc oming A ccess Al lowed N N
D Outgoing Access Allowed N N
E Add /Change CUG
F Delete CUG
G Display all CUGs
Option: