Purpose
Command
Selects the controller to configure.
•
t1
—
Specifies the T1 controller.
•
e1
—
Specifies the E1 controller.
•
slot/subslot/port
—
Specifies the location of the
controller. See the
Address on a SPA, on page 228
.
Router(config)#
controller
{
t1
|
e1
}
slot/subslot/port
Set the framing on the interface.
•
sf
—
Specifies Super Frame as the T1 frame type.
•
esf
—
Specifies Extended Super Frame as the T1
frame type. This is the default. for T1.
•
crc4
—
Specifies CRC4 frame as the E1 frame
type. This is the default for E1.
•
no-crc4
—
Specifies no CRC4 as the E1 frame
type.
For T1 controllers
Router(config-controller)#
framing
{
sf
|
esf
}
For E1 controllers
Router(config-controller)#
framing
{
crc4
|
no-crc4
}
Verifying Framing Configuration
Use the show controllers command to verify the framing configuration:
Router(config)# show controllers e1 0/3/0 brief
E1 0/3/0 is up.
Applique type is SPA-8XCHT1/E1
No alarms detected.
alarm-trigger is not set
Framing is crc4, Line Code is HDB3, Clock Source is Line.
Data in current interval (571 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Total Data (last 24 hours)
0 Line Code Violations, 0 Path Code Violations,
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Configuring Encapsulation
When traffic crosses a WAN link, the connection needs a Layer 2 protocol to encapsulate traffic. To set the
encapsulation method, use the following commands:
Purpose
Command
Enters global configuration mode.
Router#
configure terminal
Selects the interface to configure.
Router(config)#
interface serial
slot/subslot/port:channel-group
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17
229
Configuring the 8-Port Channelized T1/E1 Serial SPA
Optional Configurations