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470 CHAPTER 26: LAPB AND X.25 CONFIGURATION COMMANDS
Please consult your ISP about the input and output window sizes. Unless
supported by the network, do not set these two parameters to different values.
Example # Set the input and output window sizes on the X.25 interface Serial 2/0 to 5.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] x25 window-size 5 5
x25 x121-address
Syntax x25 x121-address x.121-address
undo x25 x121-address
View Interface view
Parameter x.121-address: X.121 address, an alphanumeric string of 1 to 15 characters.
Description Use the
x25 x121-address command to set the X.121 address of an X.25
interface.
Use the
undo x25 x121-address command to delete the address.
Note that:
■ If the device is accessed to X.25 public packet network, the ISP must assign a
valid X.121 address to it. If two devices are only directly connected back to
back, you can randomly specify the valid X.121 address. If you only want the
device to work in switching mode, the X.121 address needs not to be
configured.
■ When you reconfigure an X.121 address for an X.25 interface, you need not
delete the original X.121 address, because the new address will overwrite the
old one.
For the format of the X.121 address and the dynamic conversion between IP
address and X.121 address, please refer to ITU-T Recommendation X.121 and the
relevant RFC document.
Example # Configure the X.121 address of the interface Serial 2/0 as 20112451.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] x25 x121-address 20112451
x25 xot pvc
Syntax x25 xot pvc pvc-number1 ip-address interface interface-type interface-number pvc
pvc-number2 [ xot-option | packet-size input-packet output-packet | window-size
input-window-size output-window-size ]*