Command Reference Guide

3Com Router 5000 Family and Router 6000 Family x25 pvc ● 335
Command Reference
x25 pvc
Purpose Use the x25 pvc command to configure one PVC route encapsulated with
datagram.
Use the undo x25 pvc command to delete this route.
Syntax x25 pvc pvc-number protocol-type protocol-address [ compressedtcp ]
x121-address x.121-address [ option ]
undo x25 pvc pvc-number
Parameters pvc-number
PVC number. Valid values are 1 to 4094 (inclusive), and
must be in the PVC channel range.
protocol-type
Upper-layer protocol carried over the permanent virtual
circuit, which may be IP or compressedtcp.
protocol-address
Network protocol address of the peer end of the PVC.
compressedtcp
Enables TCP header compression.
x.121-address
X.121 address of the peer end of this PVC.
option
Attribute of the PVC.
Default By default, no PVC encapsulated with datagram is created. When creating such a
PVC, you do not set the relevant attributes for the PVC, its flow control parameters
will be the same as that of the X.25 interface on which it resides (the flow control
parameters on an X.25 interface can be set by the
x25 packet-size and x25
window-size
commands).
Example Configure the link layer protocol on the interface Serial0/0/0 to X.25, enable PVC
channel section, and set two VCs.
[3Com] interface serial 0/0/0
[3Com-Serial0/0/0] link-protocol x25
[3Com-Serial0/0/0] x25 vc-range bi-channel 8,102 4
[3Com-Serial0/0/0] x25 pvc 2 ip 202.38.168.1 x121-address 20112451
broadcast packet-size 512 512
[3Com-Serial0/0/0] x25 pvc 6 ip 202.38.168.3 x121-address 20112453
broadcast window-size 5 5
View This command can be used in the following views:
■ Interface view
Description As one corresponding address mapping is impliedly established while establishing the
PVC, it is unnecessary (or impossible) to establish an address mapping first before
establishing PVCs.