R2511-HP MSR Router Series Layer 2 - WAN Command Reference(V5)
351
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] link-protocol x25
[Sysname-Serial2/0] x25 x121-address 20112451
[Sysname-Serial2/0] x25 alias-policy right 20112451$
[Sysname-Serial2/0] x25 alias-policy left $20112451
With the configurations, a call whose destination address is 20112451 can be accepted as long as it can
reach the local X.25 interface Serial2/0, no matter whether the network is performing the prefix adding
operation or suffix adding operation.
x25 call-facility
Use x25 call-facility 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 undo x25 call-facility to delete the set option.
Syntax
x25 call-facility facility-option
undo x25 call-facility facility-option
Default
No facility is set.
Views
Interface view
Default command level
2: System level
Parameters
facility-option: User facility option.
Table 76 Description on the user facility options
O
p
tion Descri
p
tion
closed-user-group 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. The group number is in the range 0 to 9999.
packet-size input-size output-size
Carries out maximum packet size negotiation in initiating call from the
X.25 interface. Maximum packet size negotiation is part of flow control
negotiation. It needs the following parameters: maximum input packet
size and maximum output packet size, which are both in the range of 16
(inclusive) to 4096 (inclusive) and must be the integer power of 2.
reverse-charge-request
Carries reverse charging request when initiating calls from the X.25
interface.
roa-list roa name
Specifies an ROA list name for the X.25 interface. The roa name is a
string of 1 to 19 characters.










