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PTX10001-36MR System Overview

Juniper Networks PTX10001-36MR is a fixed-configuration router that features 36 network ports that provide high density and cost efficient 100-Gigabit and 400-Gigabit Ethernet (GbE) ports in a low-profile 1-U form factor. With 9.6 Tbps of throughput, the PTX10001-36MR is optimally designed for peering, core routing, and infrastructure edge routing roles in cloud provider, service provider and content provider networks.

Tip:

For information about features supported on PTX Series routers, see Feature Explorer.

Benefits of the PTX10001-36MR

  • Scalability—The PTX10001-36MR scales to 9.6 Tbps in a single chassis, supporting up to 120 10GbE interfaces, 30 40GbE, 96 100GbE interfaces (at line-rate), or 108 100GbE interfaces (oversubscribed), and 24 400GbE interfaces, giving cloud and service providers the performance and scalability needed as networks grow.

  • Performance—The PTX10001-36MR uses the next-generation ASIC in the Junos Express silicon family, Juniper Triton silicon, to deliver inline MACsec on all 100-Gigabit and 400-Gigabit speed interfaces for dense 400-Gigabit architectures. The PTX10001-36MR’s exceptional packet processing capabilities help alleviate the challenge of scaling the network as traffic levels increase.

  • High availability hardware—The PTX10001-36MR is engineered with hardware redundancy for cooling, power supplies, and forwarding. With the PTX10001-36MR’s high availability, service providers can maintain an always-on infrastructure base that helps meet stringent SLAs across the core.

  • Space efficiency—The PTX10001-36MR’s ultra-compact 1-U form factor efficiency is a critical requirement for space and power constrained internet exchange locations, remote central offices, and embedded peering points throughout the network. The PTX10001-36MR delivers a power efficiency of 0.2 watts/Gbps.

PTX10001-36MR System Architecture

The PTX10001-36MR is a fixed-configuration router that supports 10-Gbps, 25-Gbps, 40-Gbps, 100-Gbps, and 400-Gbps port speeds in a single 1-U stackable platform.

  • Control operations are performed by the Routing Engine, which runs the Juniper Networks Junos OS Evolved operating system (Junos OS Evolved). The Routing Engine handles routing protocols, traffic engineering, policy, policing, monitoring, and configuration management. Junos OS Evolved is installed on the PTX10001-36MR router’s two internal 200-gigabyte M.2 SATA solid-state drives (SSDs). The Routing Engine is enhanced by a 2.1-GHz 12 core Intel CPU and 64 GB of RAM.

  • Forwarding operations are performed by the Packet Forwarding Engine, which uses Juniper Networks Triton silicon. The custom ASICs enable the PTX10001-36MR to provide up to 9.6 Tbps of bandwidth.

PTX10001-36MR System Software

The PTX10001-36MR runs Junos OS Evolved, which provides Layer 2 and Layer 3 switching, routing, and security services. Junos OS Evolved runs natively on Linux, giving it direct access to all the Linux utilities and operations. It is designed to be modular, allowing for upgrades to be done on a component-by-component basis without a system reboot. Only those components changed are restarted. Junos OS Evolved is easily portable and minimal work is required to make it work on any platform. It has the same CLI user interface, the same code base for applications and features, and the same management and automation tools as Junos OS. However, the Junos OS Evolved infrastructure is entirely modernized, giving you the high availability, portability, faster innovation, and simplified upgrades you need.

For information about which features are supported on PTX Series devices, see Feature Explorer.

Port Panel and Management Panel

The front panel of the PTX10001-36MR contains 36 network ports, port LEDs, console and management ports, and system status LEDs. Figure 1 shows the PTX10001-36MR front panel.

Figure 1: PTX10001-36MR Port PanelPTX10001-36MR Port Panel
  1
ESD grounding point
  6
RJ-45 console and time of day (TOD) port
  2
12 network ports—QSFP28 cages
  7
Offline button. Pressing and holding this button for more than 4 seconds turns the device off. Pressing the button again turns the device back on.
  3
Clock connectors (10 MHz and 1 PPS)
  8
Reset button (do not use unless directed by JTAC)
  4
RJ-45 management port (10 Mbps/100 Mbps/1000 Mbps)
  9
24 network ports—QSFP56-DD cages
  5
USB port (USB 2.0 standard)
 

You manage the PTX10001-36MR by using the Junos OS Evolved CLI, which is accessible through the console and out-of-band management ports on the front panel. In addition, the front panel has system status LEDs that alert you to minor or major alarms or other issues with the router, external clock synchronization ports, and a USB port to support software installation and recovery.

The network ports on the PTX10001-36MR consist of 24 QSFP56-DD ports that support data rates of 10-Gbps, 25-Gbps, 40-Gbps, 100-Gbps, and 400-Gbps and 12 QSFP28 ports that support data rates of 10-Gbps, 25-Gbps, 40-Gbps, and 100-Gbps.

Cooling and Power

The cooling system in a PTX10001-36MR consists of six fan modules as well as fans housed in the power supplies. Each fan module has dual counter-rotating fans. These fan modules can be hot-swapped and hot-inserted, meaning that you do not need to power off the router or disrupt the routing function to replace a module.

In the PTX10001-36MR cooling system, cool air enters through the vents in the port panel and hot air exhausts through the field-replaceable unit (FRU) panel. This type of airflow is known as airflow out or port-to-FRU airflow.

The PTX10001-36MR has two AC/HDVC or DC 3000-W power supplies. Each power supply provides 12-VDC output with a standby voltage of 12-VDC. The AC/HDVC or DC power supplies in a PTX10001-36MR are hot-removable and hot-insertable FRUs. See Figure 2 for an example of the PTX10001-36MR FRU panel.

Figure 2: PTX10001-36MR Back Panel (AC/HVDC Power Supplies Installed)PTX10001-36MR Back Panel (AC/HVDC Power Supplies Installed)
  1
Fan modules (6)
  2
Power supplies (2)

PTX10001-36MR Field-Replaceable Units

Field-replaceable units (FRUs) are components that you can replace at your site.

Table 1 lists the model numbers and CLI output for PTX10001-36MR FRUs.

Table 1: PTX10001-36MR FRUs and Spares

Component

Spare Juniper Model Number

CLI Output

Chassis

JNP10001-36MR

JNP10001-36MR [PTX10001-36MR]

Fan module

JNP-FAN2-1RU

JNP10001 Fan Tray, Front to Back Airflow - AFO

Power supplies

JNP-3000W-AC-AFO

AC AFO 3000W PSU

JNP-3000W-DC-AFO

DC AFO 3000W PSU

Note:

If you have a Juniper Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/. Failure to do so can result in significant delays if you need replacement parts. This note does not apply if you replace existing components with the same type of component.

PTX10001-36MR Component Redundancy

The following hardware components provide redundancy on a PTX10001-36MR:

  • Power supplies—The PTX10001-36MR has two power supplies. Each power supply provides power to all components in the device. The two power supplies provide full power redundancy to the device. If one power supply fails or is removed, the second power supply balances the electrical load without interruption. To provide power redundancy to the system, both power supplies must be installed. Connect power source feed A to one power supply and power source feed B to the second power supply.

    CAUTION:

    Do not connect feed A and feed B to the same power supply input terminal.

  • Cooling system—The PTX10001-36MR has six fan modules and within each fan module there are two counter-rotating fans. If a fan module fails and the remaining fan modules are unable to keep the PTX10001-36MR within the desired temperature thresholds, chassis alarms occur and the PTX10001-36MR can shut down.