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ATM Configuration
7-4 Configuring Connections
Configuring Connections
Adding a New Connection
To conÞgure new Permanent Virtual Circuits (PVCs), enter the following
information in the text Þelds which appear just below the settings list box:
1. In the I/F text box, click on the down-arrow to the right of the text field, and
select the interface for which you wish to configure a connection. All available
ATM interfaces will be listed in this menu.
2. In the VPI text box, enter the Virtual Path Identifier you wish to assign to this
connection. Allowable values are 0 to 3; remember, the VPI you assign will be
used to group virtual connections, allowing for channel trunking between ATM
switches.
3. In the VCI text box, enter the Virtual Channel Identifier you wish to assign to
this connection. Allowable values are 0 to 1023
for each VPI
. For example,
you could assign the same channel identifier — say, 25 — as many as four
times: once with a VPI of 0, once with a VPI of 1, and so on. Again, remember
that it is the combination of VPI and VCI that will be used to direct cells
through the intermediate switches between the source and destination.
4. In the Encapsulation Type field, click on the down arrow located to the right
of the field, and select the desired encapsulation type. Current versions of
HSIM-A6DP firmware use 802.3 VC-based multiplexing for bridging protocols
(designated VC MUX 802.3 Bridged); future versions will add support for
additional encapsulation methods.
5. Click the Add button to add the new permanent circuit to the ATM interface.
The circuit is automatically enabled, and will remain in place until it is
manually removed.
Deleting a Connection
To delete an existing PVC:
1. In the connections list box, click to select the connection you wish to delete.
2. Click on the Delete button. A confirmation window will appear, listing the
parameters assigned to the connection and asking you to verify that you wish
to delete it. Click on OK to proceed with the deletion, or on Cancel to cancel.
TIP
Selecting any of the other encapsulation types listed in the ÞeldÕs menu will cause a ÒSet
FailedÓ error when you attempt to add the new connection.