Cisco ASR 903 Guide

Ethernet over MPLS
Ethernet over MPLS using Ethernet Flow Point ▀
Cisco ASR 903 Router Design and Deployment Guide▄
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Chapter 4 Ethernet over MPLS
In Ethernet over MPLS environment, Ethernet frames are exchanged between customer sites using SP backbone as
the medium of transport.
Figure 8. Ethernet over MPLS
ASR903-PE2
Loopback10: 10.10.4.4
Gi0/1/1 Gi0/1/1
Gi0/1/0 Gi0/1/2Gi0/1/0Gi0/1/1
ASR903-PE1
Loopback10: 10.10.3.3
CE1 CE2
Customer A
Site 1
Customer A
Site 2
Ethernet over MPLS using Ethernet Flow Point
ASR903 only supports service instance based pseudo-wire.
ASR903-PE1 Configuration
interface GigabitEthernet0/1/0
no ip address
negotiation auto
no keepalive
service instance 2 ethernet
encapsulation dot1q 200
xconnect 10.10.4.4 200 encapsulation mpls ! create PW
ASR903-PE2 Configuration
interface GigabitEthernet0/1/0
no ip address
negotiation auto
no keepalive
service instance 2 ethernet
encapsulation dot1q 200
xconnect 10.10.3.3 200 encapsulation mpls ! create PW, VCID must be same
CE1 Configuration
interface BDI200

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