Cisco ME 3400 Series Ethernet Access Switches Overview
With service provider-friendly hardware and mission-specific software, the Cisco ME 3400 Series is the first Cisco access switch family optimized for both Ethernet-to-the-Home (ETTH) triple-play services and Ethernet-to-the-Business (ETTB) VPN services. It provides a complete security solution for Metro Ethernet access that includes subscriber, switch, and network protection. The Cisco ME 3400 Series supports multiple software images to provide a "pay-as-you-grow" deployment model. With service breadth spanning triple-play and Layer 2 and Layer 3 VPN services, lower total cost of ownership (TCO) and operating expenses can be achieved from a single ETTH and ETTB access solution.
The Cisco ME 3400 Series (Figure 1) includes the following configurations:
• Cisco ME 3400G-12CS AC with 12 dual-purpose (10/100/1000 and Small Form-Factor Pluggable [SFP]) ports, four SFP uplinks, and two fixed redundant AC power supplies (part number ME-3400G-12CS-A)
• Cisco ME 3400G-12CS DC with 12 dual-purpose (10/100/1000 and SFP) ports, four SFP uplinks, and two fixed redundant DC power supplies (part number ME-3400G-12CS-D)
• Cisco ME 3400G-2CS AC with two dual-purpose (10/100/1000 and SFP) ports, two SFP uplinks, and an AC power supply (part number ME-3400G-2CS-A)
• Cisco ME 3400-24FS AC with 24 Ethernet 100 SFP ports, two SFP uplinks, and an AC power supply (part number ME-3400-24FS-A)
• Cisco ME 3400-24TS AC with 24 Ethernet 10/100 ports, two SFP uplinks, and an AC power supply (part number ME-3400-24TS-A)
• Cisco ME 3400-24TS DC with 24 Ethernet 10/100 ports, two SFP uplinks, and a DC power supply (part number ME-3400-24TS-D)
The Cisco ME 3400 Series offers three different Cisco IOS® Software feature images. The METROBASE image offers advanced quality of service (QoS), rate limiting, robust multicast control, and comprehensive security features. The METROACCESS image adds to these a richer set of Metro Ethernet access features including 802.1Q Tunneling, Layer 2 Protocol Tunneling (L2PT), and Flex-Link. The METROIPACCESS image adds to these advanced Layer 3 features such as support for advanced IP routing protocols, Multi-VPN Routing and Forwarding Customer Edge (Multi-VRF CE), and Policy Based Routing (PBR).
The SFP-based Gigabit Ethernet ports accommodate a wide range of 100BASE and 1000BASE SFP transceivers. The options include Cisco 100BASE-LX, 100BASE-FX, 100BASE-BX, 100BASE-EX, 100BASE-ZX, 1000BASE-T, 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX, 1000BASE-EX, and both coarse wavelength-division multiplexing (CWDM) and dense wavelength-division multiplexing (DWDM) SFP transceivers. These ports also support the Cisco Catalyst 3560 SFP Interconnect Cable for establishing a low-cost Gigabit Ethernet point-to-point connection.
Service Provider-Friendly Hardware
Because Metro Ethernet access switches are typically deployed in small spaces in the basements of office buildings or in apartments, the Cisco ME 3400 Series is designed with a compact form factor (1 RU x 9.52 in.) and flexible mounting options. In addition, the Cisco ME 3400 Series has all front-accessed connectors to simplify field installation and troubleshooting. To help ensure compliance with industry standards, the Cisco ME 3400 Series has obtained both Network Equipment Building Standards Level 3 (NEBS3) and ETSI certifications.
Industry Standard Services
Carrier Ethernet is a huge growth area for emerging connectivity services. It is a comparatively simple, cost-effective, and familiar technology whose migration to the WAN will lead to more flexible network connectivity while reducing overall IT costs. To establish better global standards that provide assurance that equipment from different vendors will interoperate, service providers asked the Metro Ethernet Forum (MEF) to initiate a set of standards and a certification program. The Cisco ME 3400 Series is certified to MEF 9 and 14 to support industry-standard Layer 2 services and QoS features.
With more and more applications demanding higher bandwidth, both enterprise and residential customers want access speeds greater than 100 Mbps. To address this requirement, the Cisco ME 3400 Series offers wire-speed Gigabit Ethernet with all the Metro Ethernet functions. At speeds of 1000 Mbps, Gigabit Ethernet provides the bandwidth to meet new and evolving network demands, alleviate bottlenecks, and boost performance while protecting the investment in existing infrastructure.
Cisco ME 3400 Series Switches have software designed for the Metro Ethernet market. Numerous new features make the Cisco ME 3400 Series the optimal access switch for service providers. Many default behaviors of the Cisco ME 3400 Series are different from those of traditional Ethernet switches, making the Cisco ME 3400 Series easier to configure, manage, secure, and troubleshoot.
The Cisco ME 3400 Series software introduces the concept of User-Network Interface/Enhanced Network Interface/Network-Node Interface (UNI/ENI/NNI) for Ethernet access switches. Because the software can identify the application of each port, it can provide many powerful default behaviors. Table 1 lists some of the primary behaviors and benefits of UNI/ENI/NNI.
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