Cisco Systems OL-7396-01 Manual De Usuario

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ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 19
Configuring Circuit Emulation Services
Configuring T1/E1 CES SVCs
Figure 19-9 Switched VC Configured for Structured CES 
Configuring a switched VC for structured CES is a two-phase process:
Phase 1—Configuring the Destination (Passive) Side of the Structured Switched VC
To configure a destination (passive) side of a switched VC for structured CES, follow these steps, 
beginning in privileged EXEC mode:
CES port adapter
(module slot 1)
Target switch
79602
CBR-SVC-A
 (CBR0/0/0)
(VPI 0, VCI 16)
Source (active) side of PVC
DSO 1-3, and 7
No CAS
CBR-SVC-B
(CBR0/0/1)
(VPI 0, VCI 1040)
Destination (passive) side of PVC
DSO 10-13
No CAS 
Circuit 1
0
1
2
3
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Command
Purpose
Step 1
Switch# show ces status
Displays information about the 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 dsx1 clock source 
{loop-timed | network-derived}
Configures the clock source.
Step 7
Switch(config-if)# ces dsx1 framing {sf | esf}
Switch(config-if)# ces dsx1 framing 
{e1_crc_mfCAS_lt | e1_crc_mf_lt | e1_lt | 
e1_mfCAS_lt}
Configures the CES T1 framing type. The default 
is esf.
Configures the CES E1 framing type. For 
CES E1, the default is e1_lt.