Cisco ASR 903 Guide

TDM
▀ Circuit Emulation Service over Packet-Switched Network (CESoPSN)
▄ Cisco ASR 903 Router Design and Deployment Guide
80
OL-30526-01
Circuit Emulation Service over Packet-Switched Network
(CESoPSN)
Figure 20. CESoPN
ASR903-PE2
Loopback10: 10.10.4.4
Gi0/1/1 Gi0/1/1
E1 0/4/0 E1 0/4/0Sonet0/5/0Sonet0/5/0
ASR903-PE1
Loopback10: 10.10.3.3
CE1
Customer A
Site 1
CE2
Customer A
Site 2
ASR903-PE1 Configuration
controller SONET 0/5/0
framing sdh
clock source internal
aug mapping au-4
!
au-4 1 tug-3 1
mode c-12
tug-2 1 e1 1 cem-group 10 timeslots 1-31 ! CES for the whole E1 circuit
interface CEM0/5/0
no ip address
cem 10
xconnect 10.10.4.4 101 encapsulation mpls
ASR903-PE2 Configuration
controller E1 0/4/0
clock source internal
cem-group 10 timeslots 1-31
!
interface CEM0/4/0
no ip address
cem 10
xconnect 10.10.3.3 101 encapsulation mpls
CE1 Configuration (ASR903)
controller SONET 0/5/0
framing sdh
clock source line
aug mapping au-4
!
au-4 1 tug-3 1
mode c-12
tug-2 1 e1 1 channel-group 0 timeslots 1-31 ! the CEM circuit

Cisco ASR 903 Specifications

General

Form Factor	Modular
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% non-condensing
Redundancy	Yes, redundant power supplies and route processors
Operating System	Cisco IOS XE
Power Supply	AC or DC
Switching Capacity	240 Gbps
Operating Temperature	-40°C to 65°C (-40°F to 149°F)
MTBF	200, 000 hours
Supported Protocols	IPv4, IPv6, MPLS, L2VPN, L3VPN
Interfaces	Gigabit Ethernet, 10 Gigabit Ethernet, T1/E1