Agilent Technologies AuroraPresto, User Manual

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Aurora Presto
—User Guide
4-52 481801
-2-
Press ENTER to display the following screen.
-3-
Choose
ATM 25
.
Setting up VPIs (Virtual Path Identifiers) and VCIs
(Virtual Channel Identifiers)
ATM switches use 256 VPIs ( Virtual Path Identifiers). Each
VPI has 65,535 VCs ( Virtual Channels or Circuits). The
VPI is used with the VCI to identify the route of each ATM
cell between switches. Each switch allocates a cell’s VPI/VCI
as it passes through. Therefore, a cell’s VPI/VCI may change
from switch to switch.
You can configure up to four VPI/ VCI combinations.
-1-
From the
Main Setup
screen select
ATM
to display
the
VC Config
screen.
Notes
• You can also access the
VC Config
screen from the
PPP Setup
menu.
If you want to select a different
VC
, press F1
Next
to
display the
VC
you want to edit.
-2-
Use the UP and DOWN keys to select one of the
following and press ENTER.
•
VPI
—Enter a number in the range 0 to 255.
•
VCI
—Enter a number in the range 0 to 65535.
•
VC Mode
— a VC must be enabled to send or
receive data.You can disable a VC to free more
bandwidth for use by other enabled VCs.
481801-7.book Page 52 Thursday, May 23, 2002 10:46 AM