3Com 3031 Command Reference Manual page 394

3com 3031: reference guide

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can randomly specify the valid X.121 address. If you only wants the Router 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. After an X.25 interface is re-configured, the original X.121 address will be

deleted. So the X.121 address must be re-configured to work properly.

Note: 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

relative RFC document.

For the related command, see display interface.

Configure the link layer protocol on the interface Serial 0/0/0 as X.25, and X.121

address as 20112451.

[3Com] interface serial 0/0/0

[3Com-Serial0/0/0] link-protocol x25

[3Com-Serial0/0/0] x25 x121-address 20112451

x25 xot pvc pvc-number1 ip-address interface type number pvc pvc-number2 [

xot-option ] [ packet-size input-packet output-packet window-size

input-window-size output-window-size ]

undo x25 pvc pvc-number1

Interface view

pvc-number1: Number of PVC on the local interface, and its value ranges from

pvc-number2: Number of PVC on the peer interface, and its value ranges from

ip-address: IP address of the peer destination for connection with XOT.

interface type number: Type and number of interface, and the interface type

can only be Serial.

xot-option: Option of XOT channel parameter. For the specific configuration,

see XOT channel parameter option.

packet-size input-packet output-packet: Specifies the maximum receiving

packet length and maximum sending packet length. The length is counted in

byte, which must range from 16 to 4096 (including 16 and 4096), and must be

the integer power of 2.

window-size input-window-size output-window-size: Specifies the receiving

window and sending window sizes of the VC, which range between 1 and the