Ethernet Broadband Aggregation Network - Cisco Catalyst 3750 Software Configuration Manual

Chapter 1 Overview

Ethernet Broadband Aggregation Network

Digital subscriber line (DSL) and fiber-to-the-house (FTTH) services provide high performance and
increased bandwidth to the home or small-business customer for use in IP telephones, televisions, or
PCs.
Catalyst 3750 Metro switch hierarchical QoS features allow service providers to support differentiated
services with different levels of services for multiple customers. The configuration is applicable using
DSL, sending packets through a digital subscriber line access multiplexer (DSLAM) and DSL modem
to the residence, or using fiber-optic lines through a media converter to the residence. The end-user
device can be a television, PC, or IP telephone.
Figure 1-2 Broadband Aggregation Network Using DSL or FTTH
Catalyst 3750
Metro switch
Internet
backbone
Cisco 7600 router Cisco 7600 router
Catalyst 3750
Metro switch
GE = Gibabit Ethernet
FE = Fast Ethernet
78-15870-01
FE
GE
Central office or point-of-presence
DSL
modem
DSLAM
DSL
FE
Media
converter
FTTH
Catalyst 3750 Metro Switch Software Configuration Guide
Network Configuration Examples
Customer
1-13