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9. Type add protocol
protocol_name
to add the protocols that will be running
over the X.25 interface. You will be prompted for window size, default packet
size, maximum packet size, circuit idle time, and max VCs.
Note: You need to add the protocols only once for all X.25 networks on the
router.
10. Type add address
protocol_name
to add an address translation for each
protocol’s destination address reachable over this interface.
11. Type exit to return to the Config> prompt.
12. Press Ctrl-P to return to the OPCON prompt (*).
13. Type restart and respond yes to the prompt.
Setting the National Personality
Each public data network, such as GTE’s Telenet or DDN’s Defense Data Network,
has its own standard configuration. The term
National Personality
specifies a group
of variables used to define a public data network’s characteristics. The configuration
information in the National Personality provides the router with control information
for packets being transferred over the link. The National Personality option defines
27 default parameters for each public data network.
To view the configuration values that are in your X.25 National Personality, execute
the X.25 configuration list detailed command. Configure each public data network
connected to the router by executing the X.25 configuration national-personality
set command.
The National Personality is a generalized template for network configuration. If
necessary, you can individually configure each frame and packet layer parameter.
Understanding the X.25 Defaults
The following tables list the defaults for the various parameters for the X.25
set,
national set
and
national enable
commands.
Table 46. Set Command
Parameter Default
address ...
none
cable
none
calls-out ...
4
clocking ...
external
default-window-size ...
2
encoding
NRZ
equipment-type ...
DTE
htf addr ...
none
inter-frame-delay ...
0
mtu
1500
national-personality ...
GTE Telenet
pvc ...
low=0 high=0
speed
9600
Using the X.25 Network Interface
320
MRS V3.2 Software User’s Guide