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19-15
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 19 Configuring Circuit Emulation Services
Configuring T1/E1 Unstructured Circuit Emulation Services
Phase 1—Configuring the Destination (Passive) Side of the Soft PVC
To configure the destination (passive) side of a soft PVC destination port, follow these steps, beginning
in privileged EXEC mode:
Example
The following example shows how to configure the destination (passive) side of a soft PVC, as shown
in Figure 19-2:
CESwitch# show ces status
Interface IF Admin Port Channels in
Name Status Status Type use
------------- -------- --------- ----------- -----------
CBR3/0/0 UP UP T1
CBR3/0/1 UP UP T1
CBR3/0/2 UP UP T1
CBR3/0/3 UP UP T1
CESwitch# configure terminal
CESwitch(config)# interface cbr 3/0/1
CESwitch(config-if)# shutdown
CESwitch(config-if)# ces aal1 service unstructured
CESwitch(config-if)# ces aal1 clock synchronous
Command Purpose
Step 1
Switch# show ces status Displays information about current CBR
interfaces.
Use this command to choose the destination port.
Step 2
Switch# configure terminal
Switch(config)#
At the privileged EXEC prompt, enters global
configuration mode.
Step 3
Switch(config)# interface cbr card/subcard/port
Switch(config-if)#
Selects the physical interface to be configured.
Step 4
Switch(config-if)# shutdown Disables the interface.
Step 5
Switch(config-if)# ces aal1 service {structured |
unstructured}
Configures the CES interface AAL1 service type.
Step 6
Switch(config-if)# ces aal1 clock {adaptive | srts
| synchronous}
Configures the CES interface AAL1 clock mode.
Step 7
Switch(config-if)# ces dsx1 clock source
{loop-timed | network-derived}
Configures the CES interface clock source.
Step 8
Switch(config-if)# ces circuit circuit-id
circuit-name name
Configures the CES interface circuit identifier
and circuit name.
Note For unstructured service, use 0 for the
circuit identifier.
Step 9
Switch(config-if)# ces pvc circuit-id passive
follow-ifstate
Configures the destination (passive) port circuit
status to follow the status of the physical
interface. The default circuit setting ignores the
status of the physical interface.
Step 10
Switch(config-if)# no shutdown Reenables the interface.