Highlights
- Delivers high availability, high performance and single point of management in a compact, power-efficient one rack-unit form factor
- Virtual Chassis technology enables up to 10 switches to be interconnected as a single logical device supporting up to 480 server access ports, lowering management and administrative overhead
- Combines the cabling simplicity and modular rack-level efficiency of top-of-rack solutions with the operational ease, configuration flexibility and high availability of end-of-row deployments
- Redundant power supplies and carrier-class Juniper Networks JUNOS Software operating system increase mean time between failures (MTBF) and reduce mean time to repair (MTTR)
- Includes eight class of service (CoS) queues per port, enabling separate prioritization of virtual machines
- Scalable design allows an entire row of server switches to be managed as a single device
- Modular GbE and 10 GbE uplink ports can be installed in the field when needed, providing built-in upgradeability without requiring forklift upgrades
- Common Juniper Networks JUNOS Software operating system across the entire IBM Ethernet j-type infrastructure delivers consistent feature set and shortens the learning curve, lowering operational expenses
The IBM Ethernet Switch J48E is designed to combine the high availability and carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, thereby providing a high-performance, scalable solution for data center top-of-rack and end-of-row applications.
Offering a full suite of Layer 2 and Layer 3 switching capabilities as part of the base software, the IBM Ethernet Switch J48E can also satisfy a variety of high-performance branch and campus deployments. A single 48-port switch can be deployed initially; as requirements grow, integrated “Virtual Chassis” technology allows up to 10 switches to be interconnected over a 128 gigabit-per-second (Gbps) backplane and managed as a single device. This capability delivers a scalable, pay-as-you-grow solution for supporting escalating customer requirements. Optional Gigabit Ethernet (GbE) and 10-Gigabit Ethernet (10 GbE) uplink modules enable high-speed connectivity to aggregation- or core-layer switches.
Common features
- Full Layer 2 and Layer 3 Ethernet switching
- Virtual Chassis technology enables up to 10 switches to be interconnected as a single logical device supporting up to 480 ports in data center top-of-rack or end-of-row applications
- Interconnected switches in a Virtual Chassis configuration share a single control plane and operating system, and automatically assign master (active) and backup (hot-standby) Routing Engines
- Integrated application-specific integrated circuit (ASIC)-based Packet Forwarding Engine and integrated Routing Engine (RE) deliver switching and routing functionality at wire rates
- Front-panel LCD display offers flexible interface for performing device bring-up and configuration rollbacks, reporting switch alarm and LED status, or restoring the switch to its default settings
- Eight ports of IEEE 802.3af-compatible Class 3 Power over Ethernet (PoE)
- Easy, centralized software upgrades
Hardware summary
- Single rack unit-height device (1RU)
- 48 10/100/1000BASE-T front-panel ports
- Optional GbE or 10 GbE front-panel uplink modules for connecting to other switches or upstream devices
- Scalable to 480 server access ports with up to 20 10 GbE uplinks to the core
- Back-panel Virtual Chassis ports interconnect up to 10 switches over 128 Gbps backplane
- Redundant, internal hot-swappable power supplies
- Hot-swappable fan tray with redundant blowers
- Dual Routing Engines with graceful Routing Engine switchover (GRES)
- Single management interface
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