Avaya M770 사용자 설명서

Chapter 6

Managing Virtual Ports

Avaya M770 ATM Switch User’s Guide

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You can set the signalling VCI range used for SVCs on a virtual port. Usually the VCI 
range is reduced in order to create PVCs on these VCs. To increase the VPI range or 
vice versa, please see the command 

hardware vpivcibits

You must disable the virtual port before you can change or reset any virtual 

port parameters. For more information about how to disable a virtual port, see 
“Disabling a virtual port” on page 65.

To set a signalling VCI range for a virtual port, use the

vport set vcirange

 

command. 

Do not reduce the lower limit of the signalling VCI range below 32. All values 

below 32 are reserved for signalling protocol.

The VPI range set for the root virtual port cannot be greater than the VPI range of 
the physical port.

Before you can create a new virtual port you must reduce the VPI range of the 

root virtual port. For more information about creating a virtual port, see “Creating a 
virtual port” on page 64.

To set a VPI range for a root virtual port, use the

vport set vpirange 

command. 

Command:

M15-155s8:/>vport set vcirange <vport id> <range>

Example:

M15-155s8:/>vport set vcirange 8.1.0 [32..800]

Parameters:

<vport id>

The virtual port in the form <slot>.<port>.<virtual port number>. 

<range>

Selects the signalling VCI range that will be used for the virtual 
port. The range must be in the form [x..y] where x > 32 and 
y < maximum vci as defined by the number of VCI bits.

Command:

M15-155s8:/>vport set vpirange <vport id> <range>

Example:

M15-155s8:/>vport set vpirange 8.1.0 [0..3]

Parameters:

<vport id>

The virtual port in the form 
<slot>.<port>.<virtual port number>. 

<range>

Selects the VPI range that will be used for the 
virtual port. The upper range can be 0, 1, 3 or 7.