3Com Router 3031, Справочник по командам

Страница: 337 / 838

ATM Configuration Commands 337
subinterface number: ATM sub-interface number. For detailed numbering rules,
please refer to “Interface Configuration” part of this manual..
multi-point | point-to-point: Sub-interface connection type.
Description
Using the interface atm command, you can create an ATM sub-interface or enter
an ATM interface view. Using the undo interface atm command, you can delete an
ATM sub-interface.
By default, the connection type of sub-interface is multi-point.
ATM sub-interface has two connection types: multi-point and point-to-point. Multiple PVCs can
be created at the sub-interface of multi-point connection type, but only one PVC can be created
at the sub-interface of point-to-point type.
For the related command, see display atm interface.
Example
The two examples display how to enter the ATM main interface or create/enter the
ATM sub-interface.
Enter the main interface Atm1/0/0.
[3Com] interface atm 1/0/0
Create/enter the sub-interface Atm1/0/0.1 and set its connection type as
point-to-point.
[3Com] interface atm 11/1/0.1 p2p
ip-precedence Syntax
ip-precedence{ pvc-name [ vpi/vci ] | vpi/vci } { min [ max ] | default }
undo ip-precedence{ pvc-name [ vpi/vci ] | vpi/vci }
View
ATM PVC-Group view
Parameter
pvc-name: PVC name, whose maximum length is 16 characters (case insensitive).
It should be unique at ATM interface. And it shouldn't be legal VPI/VCI pair. For
example, "1/20" cannot be a PVC name. The PVC corresponding to pvc-name
must have already been created.
vpi/vci: vpi is ATM Virtual Path Identifier (VPI), which ranges from 0 to 255; vci is
ATM Virtual Channel Identifier (VCI) , which ranges from 0 to 2047. Usually, the
vci values from 0 to 31 are reserved for special usage and cannot be used. PVC
corresponding to vpi/vci must have already been created.
min: Minimum preference of IP packets carried by the PVC.