Cisco Systems OL-7396-01 Manual De Usuario
19-9
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 19
Configuring Circuit Emulation Services
Configuring T1/E1 Unstructured Circuit Emulation Services
Step 7
Configure the source (active) end of the soft PVC last, using the information derived from
. You
must configure the source end of the soft PVC last, because that end not only defines the configuration
information for the source port, but also requires you to enter the CES-IWF ATM address and VPI/VCI
values for the destination circuit.
information for the source port, but also requires you to enter the CES-IWF ATM address and VPI/VCI
values for the destination circuit.
Note
If the interface is up, you might have to disable it, using the shutdown command, before you
can configure the circuit. After configuring the circuit, use the no shutdown command to
reenable the interface.
can configure the circuit. After configuring the circuit, use the no shutdown command to
reenable the interface.
CESwitch(config)# interface cbr 3/0/0
CESwitch(config-if)# shutdown
CESwitch(config-if)# ces circuit 0
CESwitch(config-if)# ces pvc 0 dest-address 47.0091.8100.0000.0060.5c71.1f01.4000.0c80.1034.10 vpi 0 vci 104
CESwitch(config-if)# no shutdown
Step 8
To verify that the CES circuits are up on both sides (source and destination), run the show ces interface
command. To verify that the soft PVC was established between two switches, run the show atm vc
interface command.
command. To verify that the soft PVC was established between two switches, run the show atm vc
interface command.
Configuring T1/E1 Unstructured Circuit Emulation Services
This section provides an overview of unstructured (clear channel) circuit emulation services and
describes how to configure CES modules for unstructured circuit emulation services.
describes how to configure CES modules for unstructured circuit emulation services.
Overview of Unstructured Circuit Emulation Services
Unstructured circuit emulation services in an ATM switch router network emulate point-to-point
connections over T1/E1 leased lines. This service maps the entire bandwidth necessary for a T1/E1
leased line connection across the ATM network, allowing users to interconnect PBXs, TDMs, and video
conferencing equipment.
connections over T1/E1 leased lines. This service maps the entire bandwidth necessary for a T1/E1
leased line connection across the ATM network, allowing users to interconnect PBXs, TDMs, and video
conferencing equipment.
For a detailed description of unstructured circuit emulation services, refer to the Guide to ATM
Technology.
Technology.
The circuit you set up on a CBR port for unstructured service is always identified as circuit 0, because
you can establish only one unstructured circuit on any given CBR port. An unstructured circuit uses the
entire bandwidth of a T1 port (1.544 Mbps) or an E1 port (2.048 Mbps).
you can establish only one unstructured circuit on any given CBR port. An unstructured circuit uses the
entire bandwidth of a T1 port (1.544 Mbps) or an E1 port (2.048 Mbps).
The following subsections describe the procedures for configuring CES modules for unstructured circuit
emulation services:
emulation services:
•
•
•
•