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A Metro Ethernet switch is a network switch designed for Metro Ethernet networks —
large-scale Ethernet networks that span metropolitan areas to connect multiple business, residential, or data center locations. Metro Ethernet switches are typically used by Internet Service Providers (ISPs) and telecommunications companies to provide high-speed Ethernet-based services across a city or region.
These switches are engineered for high reliability, with performance levels suitable for telecom and ISP environments. They support high-bandwidth connections and are optimized for scalability, handling thousands of connections and subscribers.
Metro Ethernet switches offer Wide Area Network (WAN) services, such as Ethernet Private Line (EPL), Ethernet Virtual Private Line (EVPL), and Ethernet LAN (E-LAN). These services allow companies to connect multiple sites with Ethernet, making it easier to extend LAN networks over metropolitan distances.
To ensure that data is transferred reliably across large areas, these switches include Quality of Service (QoS) features, traffic shaping, and bandwidth management, essential for managing high traffic loads and supporting multiple service levels.
Metro Ethernet switches are built to provide continuous service, often with redundant power supplies, modular designs, and failover capabilities to prevent downtime.
They support multiple VLANs (Virtual LANs) and VPLS (Virtual Private LAN Service), allowing secure segmentation of traffic for different customers or services.
Many Metro Ethernet switches support MPLS, enabling more efficient routing and traffic management for large-scale networks.
Metro Ethernet switches comply with Carrier Ethernet standards, such as MEF (Metro Ethernet Forum) standards, which ensure interoperability and service quality in carrier environments.
Metro Ethernet switches are offered by major network equipment providers such as Cisco ASR 900 Series & Juniper MX Series, which provide carrier-grade features, high capacity, and robust management to meet the demands of metropolitan and regional Ethernet networks.
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