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 Structured (n x 64) Circuit Emulation Services
Configuring a Hard PVC for Structured CES with a Shaped VP Tunnel
A shaped VP tunnel is a VP tunnel that, by default, carries only VCs of the constant bit rate (CBR) 
service category with a peak cell rate (PCR). However, it is possible to configure a shaped virtual path 
(VP) tunnel to carry VCs of other service categories. The overall output of the shaped VP tunnel is 
rate-limited, by hardware, to the PCR of the tunnel.
This section describes how to configure a hard PVC for structured CES with a shaped VP tunnel, which 
is a two-phase process, as follows:
For more information about configuring shaped VP tunnels, see 
 shows an example of a how a structured CES circuit can be configured with a shaped 
VP tunnel.
Figure 19-4 Structured CES Circuit Configured with a Shaped VP Tunnel
Phase 1—Configuring a Shaped VP Tunnel
To configure a shaped VP tunnel, follow these steps, beginning in global configuration mode:
PBX
PBX
ATM
ATM
VP tunnel
CES module
CES module
VP tunnel
Network
27722
Command
Purpose
Step 1
Switch# configure terminal
Switch(config)# 
At the privileged EXEC prompt, enters global 
configuration mode.
Step 2
Switch(config)# atm 
connection-traffic-table-row 
[index row-index] 
cbr pcr 
rate
Configures the connection traffic table row for 
the desired PVP CBR cell rate.
Step 3
Switch(config)# interface atm card/subcard/port
Switch(config-if)# 
Selects the physical interface to be configured.
Step 4
Switch(config-if)# shutdown
Disables the interface.