Pta To Multiprotocol Label Switching Virtual Private Network Architecture - Cisco 10000-2P2-2DC Software Configuration Manual

Broadband Architecture Models
Figure 1-2
CPE
In this model, the Cisco 10000 series router terminates the sessions and places the sessions in the
appropriate VRF. This model is identical to the one in
models differ on the network side. The model in
the network side, and separates traffic at Layer 2. The
Figure 1-3

PTA to Multiprotocol Label Switching Virtual Private Network Architecture

Figure 1-3
Figure 1-3 PTA to MPLS VPN Architectural Model
LAN
Remote
user
PPPoE
Cisco 10000 Series Router Software Configuration Guide
1-4
PTA to VRF Architectural Model
ATM
access
network
PPPoX
sessions
uses MPLS and a tag interface, and separates traffic at Layer 3.
shows a MPLS VPN model for PPPoA or PPPoE sessions.
SP access
network
DSL router
DSLAM
Chapter 1 Broadband Aggregation and Leased-Line Overview
Wholesale
provider
Cisco 10000 ESR
VRF 1
VRF 2
VRF n
Separate
logical/physical
interface, one per
retail provider
Figure 1-3
Figure 1-2 uses VRFs, does not use a tag interface on
"PTA to MPLS VPN Architectural Model"
SP AAA
SP DHCP
server server
SP MPLS
core
PE PE
Retail
provider
L2
transport
network
on the access side. However, the two
Customer
network
CE
Customer AAA
server
Provider 1
Provider 2
Provider n
in
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