19-20
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
To configure the CES port for structured CES, follow these steps, beginning in privileged EXEC mode:
Example
The following example shows how to configure the hard PVC for structured T1 CES, as shown in
Figure 19-3
:
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#
show atm status
NUMBER OF INSTALLED CONNECTIONS: (P2P=Point to Point, P2MP=Point to MultiPoint,
MP2P=Multipoint to Point)
Type PVCs SoftPVCs SVCs TVCs PVPs SoftPVPs SVPs Total
P2P 27 2 13 0 0 0 0 42
P2MP 0 0 2 0 0 0 0 2
MP2P 0 0 0 0 0 0 0 0
TOTAL INSTALLED CONNECTIONS = 44
PER-INTERFACE STATUS SUMMARY AT 18:12:45 UTC Thu Jul 22 1999:
Interface IF Admin Auto-Cfg ILMI Addr SSCOP Hello
Command
Purpose
Step 1
Switch#
show ces status
Displays information about current CBR
interfaces.
Use this command to choose the source port.
Step 2
Switch#
show atm status
Displays information about current ATM
interfaces.
Use this command to choose the destination port.
Step 3
Switch#
configure terminal
Switch(config)#
At the privileged EXEC prompt, enters global
configuration mode.
Step 4
Switch(config)#
interface cbr
card
/
subcard
/
port
Switch(config-if)#
Selects the physical interface to be configured.
Step 5
Switch(config-if)#
shut
Shuts down the interface.
Step 6
Switch(config-if)#
ces aal1 service
{
structured
|
unstructured
}
Configures the CES interface AAL1 service type.
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 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
.