Cisco ASR 1000 Series Software Configuration Guide

Configuring a CEM Group
To configure a CEM group to represent a CEM circuit on a SPA port, perform the following steps:
The first cem-group command under the controller creates a CEM interface that has the same slot /subslot
/port information as the controller. The CEM interface is removed when all of the CEM groups under the
interface is deleted.
Note
•
The CEM interface is always up, even if the controller state is down. This allows the CEM pseudowire
to carry alarm information to the remote end.
SUMMARY STEPS
1.
Router(config)# controller type slot/subslot/port
2.
Router(config-controller)# [no] cem-group group-number {unframed | timeslots timeslot}
3.
Router(config-controller)# exit
DETAILED STEPS
PurposeCommand or Action
Selects the controller for the port that is being configured:
Router(config)# controller type slot/subslot/port
Step 1
Example:
Router(config)# controller t1
3/1/Router(config)# controller sonet 2/0/1
•
type identifies the port type. Depending on the card type, the valid
values are t1, e1, t3, e3, or sonet. For additional information about
the card types, see the Setting the Card Type, page 15-2 section.
•
slot /subslot /port identifies the SPA slot, subslot, and the port.
Creates a CEM circuit (group) from one or more time slots of the line
connected to this port. To delete the CEM circuit and release the time
slots, use the no cem-group group-number command.
Router(config-controller)# [no] cem-group
group-number {unframed | timeslots timeslot}
Example:
Router(config)# controller t1
Step 2
•
group-number assigns a CEM circuit number:
◦
For 24 T1/E1 Channelized ATM CEoP SPA, you can
configure up to 191 CEM groups.
3/2/0Router(config-controller)# cem-group
1 unframedRouter(config)# controller t1
3/2/1Router(config-controller)# cem-group
◦
For 2-Port Channelized T3/E3 ATM CEoP SPA, you can
configure up to 576 CEM groups.
1 timeslots
1,3,5-11Router(config-controller)#
cem-group 2 timeslots 12-24Router(config)#
controller t3 3/2/0
◦
For 1-Port Channelized OC-3 STM1 ATM CEoP SPA, you
can configure up to 576 CEM groups.
Example:
Router(config-controller)# t1 1 cem-group
1 timeslots 1
•
unframed creates a single CEM circuit from all the time slots, and
uses the framing on the line. Use this keyword for the SAToP
mode.
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 499
Configuring the Circuit Emulation over Packet Shared Port Adapter
Configuring a CEM Group

Cisco ASR 1000 Series Specifications

General

Brand	Cisco
Model	ASR 1000 Series
Category	Network Router
Language	English