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Cisco ME 3400 User Manual

Cisco ME 3400
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1-14
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
OL-9639-07
Chapter 1 Overview
Network Configuration Examples
Network Configuration Examples
This section provides network configuration concepts and includes examples of using the switch to
create dedicated network segments and interconnecting the segments through Fast Ethernet and Gigabit
Ethernet connections.
“Multidwelling or Ethernet-to-the-Subscriber Network” section on page 1-14
“Layer 2 VPN Application” section on page 1-15
“Multi-VRF CE Application” section on page 1-16
Multidwelling or Ethernet-to-the-Subscriber Network
Metro Ethernet provides the access technology for service providers deploying voice, video, and Internet
access services to metropolitan areas. The Metro Ethernet user-facing provider edge (UPE) switches
provide economical bandwidth and the security and the QoS needed for these services.
Figure 1-1 shows a Gigabit Ethernet ring for a residential location, serving multitenant units by using
Cisco ME 3400 Ethernet Access switches connected through 1000BASE-X SFP module ports. Cisco ME
switches used as residential switches provide customers with high-speed connections to the service
provider point-of presence (POP).
Home access gateways are connected to the ME switches through UNIs or ENIs configured as 802.1Q
trunks. Because the default behavior on these ports allows no local switching between the ports, the
subscribers are protected from each other. UNIs also do not process control protocols from customers,
so denial-of-service attacks are avoided. The Cisco ME switch also provides mechanisms such as port
security and IP Source Guard to protect against MAC or IP spoofing. By using advanced access control
lists, the service providers have granular control of the types of traffic to enter the network.
To provide differential QoS treatment for different types of traffic, the Cisco ME switch can identify,
police, mark, and schedule traffic types based on Layer 2 to Layer 4 information. The Cisco modular
QoS command-line interface (CLI), or MQC, on Cisco ME switches provides an efficient method of QoS
configuration. You can configure a policer on ingress UNIs to ensure that a customer can send only the
amount of bandwidth paid for. On egress NNIs, you can use four different queues to provide different
Enhanced object tracking No tracked objects or list configured Chapter 40, “Configuring Enhanced
Object Tracking”
IP multicast routing (requires metro IP
access image)
Disabled on all interfaces Chapter 42, “Configuring IP Multicast
Routing”
MSDP (requires metro IP access
image)
Disabled Chapter 43, “Configuring MSDP”
Ethernet OAM
CFM Disabled globally, enabled per interface Chapter 41, “Configuring Ethernet OAM,
CFM, and E-LMI”
E-LMI Disabled globally
Ethernet OAM protocol (IEEE
802.3ah)
Disabled on all interfaces
Table 1-1 Default Settings After Initial Switch Configuration (continued)
Feature Default Setting More information in...

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Cisco ME 3400 Specifications

General IconGeneral
CategorySwitch
Rack MountableYes
Jumbo Frame SupportYes
Authentication MethodRADIUS, TACACS+
RAM128 MB
Flash Memory32 MB
Power DeviceInternal power supply
ModelME 3400
LayerLayer 2
MAC Address Table Size8000 entries
Remote Management ProtocolSNMP, Telnet, SSH, HTTP, HTTPS
FeaturesVLAN support, IGMP snooping, Quality of Service (QoS)
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3x
Memory128 MB
Power SupplyAC 120/230 V (50/60 Hz)
Dimensions (H x W x D)4.4 cm x 44.5 cm x 24.2 cm
Routing ProtocolStatic routing

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