Command Reference Guide

3Com Router 5000 Family and Router 6000 Family x25 call-facility ● 319
Command Reference
x25 call-facility
Purpose Use the x25 call-facility command to set user options for an X.25 interface.
After an option is set, all X.25 calls from the X.25 interface will carry the relevant
information field in call packet.
Use the undo x25 call-facility command to delete the set option.
Syntax x25 call-facility facility-option
undo x25 call-facility facility-option
Parameters facility-option
User facility option, its value includes:
closed-user-group number
Specifies a closed user group (CUG) number for the
X.25 interface. The facility enables DTE to belong to
one or more CUGs. CUG allows the DTEs in it to
communicate with each other, but not to
communicate with other DTEs.
packet-size input-size
output-size
Specifies the maximum packet size negotiation in
initiating call from X.25 interface. Maximum packet
size negotiation is part of flow control parameter
negotiation. It needs two parameters: maximum
reception packet size and maximum transmission
packet size, which must range from 16 (inclusive) to
4096 (inclusive), and must be the integer power of 2.
reverse-charge-request
Specifies reverse charging request while calling from
X.25 interface.
roa-list name
Specifies an ROA list name configured by the
command X25 roa-list in system view for the X.25
interface.
send-delay value
Specifies the maximum network send delay request
while calling from X.25 interface. You can set this
request to any value in the range 0 to 65534 ms
(including 0 and 65534).
threshold in out
Specifies throughput negotiation while calling from
X.25 interface. The values of in/out are defined as 75,
150, 300, 600, 1200, 2400, 4800, 9600, 19200, and
48000.
window-size
input-window-size
output-window-size
Specifies the window size negotiation while calling
from X.25 interface. Window size negotiation is a part
of flow control parameter negotiation. It needs two
parameters: reception window size and transmission
window size, which must be in the range of 1 to
modulo -1 (including 1 and modulo -1).The default
values of the two parameters are 2.