Cisco Catalyst 3750 - Ethernet Broadband Aggregation Network

1-13
Catalyst 3750 MetroSwitch Software Configuration Guide
78-15870-01
Chapter 1 Overview
Network Configuration Examples
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
Internet
backbone
GE
Catalyst 3750
Metro switch
Catalyst 3750
Metro switch
GE = Gibabit Ethernet
FE = Fast Ethernet
DSLAM
FE
FE
101096
Central office or point-of-presence
Customer
FTTH
Media
converter
DSL
modem
DSL
Cisco 7600 router
Cisco 7600 router