Rbe To Virtual Routing And Forwarding Architecture - Cisco 10000-2P2-2DC Software Configuration Manual

Broadband Architecture Models
Figure 1-8
In the figure, an ATM network (with no routing capability) is between the clients and the
Cisco 10000 series router. Each client session arrives on a VC (multiple sessions and PCs can use this
single VC). IP traffic of the client is encapsulated in RBE. The Cisco 10000 series router processes ARP
or DHCP requests and routes the client data packets toward their final destination, typically onto the ISP
or corporate network.

RBE to Virtual Routing and Forwarding Architecture

Figure 1-9
Cisco 10000 Series Router Software Configuration Guide
1-8
RBE Architectural Model
Client
RBE
sessions
Client
Client
RBE
sessions
Client
shows an RBE to VRF model.
Chapter 1
Typically
OC-3/OC-12 ATM
Cisco 10000
ESR
ATM
network
DHCP servers EMS/NMS
Broadband Aggregation and Leased-Line Overview
100K routed
subscribers
ISP/corporate
network
Typically GigEthernet
or OC-12 POS IP
routed traffic
OL-2226-23