EX6210 Switch Hardware Overview

Software

Juniper Networks EX Series Ethernet Switches run Junos OS, which provides Layer 2 and Layer 3 switching, routing, and security services. The same Junos OS code base that runs on EX Series switches also runs on all Juniper Networks J Series, M Series, MX Series, and T Series routers and SRX Series Services Gateways.

Note: EX6200 switches support Junos OS Release 11.3R2 or later.

Chassis Physical Specifications, LCD Panel, and Backplane

The EX6210 switch is 14 rack units (14 U) in size (1/3 rack). Three EX6210 switches can fit in a standard 42 U rack. Each EX6210 switch is designed to optimize rack space and cabling. See Figure 1 and Figure 2.

Figure 1: EX6210 Switch Front

Figure 2: EX6210 Switch Rear

The EX6210 switch can have up to two chassis-level LCD panels, one on each Switch Fabric and Routing Engine (SRE) module. The LCD panel on the master SRE module displays Routing Engine and chassis components’ alarm information for rapid problem identification. This LCD panel provides a user-friendly interface for performing initial switch configuration, rolling back a configuration, or restoring the switch to its default settings. See LCD Panel in an EX6200 Switch.

The EX6210 chassis backplane distributes the data, control, and management signals to various system components as well as distributes power throughout the system.

See Chassis Physical Specifications of an EX6210 Switch.

Switch Fabric and Routing Engine Modules

Switching functionality, system management, and system control functions of an EX6210 switch are performed by a Switch Fabric and Routing Engine (SRE) module. See Switch Fabric and Routing Engine (SRE) Module in an EX6200 Switch. An SRE module contains a Routing Engine and switch fabric. The SRE modules are field-replaceable units (FRUs). A nonredundant EX6210 switch configuration has one SRE module. A redundant configuration EX6210 switch has two SRE modules installed. See EX6210 Switch Configurations.

Each SRE module provides 64 Gbps of full-duplex bandwidth per line card slot. If only one SRE module is installed in a chassis, it supports 384 ports on eight line cards with 3:2 oversubscription. If two SRE modules are installed in a chassis, they provide 128 Gbps of full-duplex bandwidth to each line card slot, allowing all 384 ports to operate at wire speed.

Line Cards

The EX6210 switch supports line rate for each line card installed. You can install upto nine line cards in an EX6210 switch. The line cards in EX6200 switches combine a Packet Forwarding Engine and Ethernet interfaces on a single assembly. All line cards are hot-removable and hot-insertable FRUs.

Table 1 shows the model numbers and descriptions of the EX6200 line cards.

Cooling System

The cooling system in an EX6210 switch consists of a hot-removable and hot-insertable FRU fan tray. The fan tray contains six fans, three rows of two fans each. The fan tray installs vertically on the right side on the rear of the chassis and provides front-to-back chassis cooling. See Cooling System and Airflow in an EX6210 Switch.

Power Supplies

Power supplies for the EX6210 switch are fully redundant, load-sharing, and hot-removable and hot-insertable FRUs. An EX6210 switch chassis can hold up to four AC or DC power supplies.

Table 2 shows the details of the power supplies available for EX6200 switches.

Only one power supply (either AC or DC) is shipped with the different chassis shipping configurations. You can purchase additional power supplies separately. See AC Power Supplies in an EX6200 Switch and DC Power Supply in an EX6200 Switch.

Caution: Mixing different types of power supplies (AC and DC or AC power supplies of different wattage) in the same chassis is not supported. Mixing low-voltage input line and high-voltage input line power feeds in the same chassis is not supported.