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by Juniper
Product Line: Juniper SRX Series Series
Product Type: Gateway Module
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Title: Surplus

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Product Description

The SRX-MIC-2X40G-QSFP is a Juniper MIC module equipped with 2x40GbE QSFP+ interfaces, designed to fit into MPC slots, specifically in either slot of SRX5K-MPC, to support high-density networking requirements. This module supports a maximum throughput of 80 Gbps and a maximum configurable MTU of 9192 bytes, facilitating up to 80 Gbps of full-duplex traffic through its two QSFP+ Ethernet ports. It offers firewall performance up to 65 Gbps, AES256+SHA-1 VPN performance up to 43 Gbps, and IPS performance up to 22 Gbps, ensuring efficient and secure data transmission across networks.

FAQs for the SRX-MIC-2X40G-QSFP

  • What is the data transfer rate of the 2x40GbE QSFP+ interfaces MIC module?
    The data transfer rate is 40 Gbps.
  • Can the MIC with two QSFP+ Ethernet ports be used in any slot within the SRX5K-MPC?
    Yes, it fits into either slot in the SRX5K-MPC.
  • What is the maximum throughput supported by the module?
    The maximum throughput is 80 Gbps.
  • How much does the module weigh?
    Approximately 1.6 lb (0.7 kg).
  • What is the maximum configurable MTU for this MIC?
    The maximum configurable MTU is 9192 bytes.
  • What are the operating temperature ranges for the module?
    Long term: 41° to 104° F (5° to 40° C), Short term: 23° to 131° F (-5° to 55° C).
  • What firewall performance can be expected from this module?
    Maximum performance is 65 Gbps, with IMIX at 30 Gbps.
  • What is the maximum AES256+SHA-1 VPN performance?
    It can achieve up to 43 Gbps.
  • How many security policies can be configured with this module?
    Up to 80,000 security policies can be configured.
  • What is the humidity range for long-term operation?
    5% to 85% noncondensing.

Product Review

The Juniper SRX-MIC-2X40G-QSFP module, designed for high-density, high-speed networking, supports up to 80 Gbps of full-duplex traffic across two 40GbE QSFP+ interfaces, making it ideal for environments demanding high throughput. However, its firewall performance peaks at 65 Gbps, which may not fully leverage the module's 80 Gbps throughput capacity, potentially creating a bottleneck in high-security scenarios. Additionally, while it offers substantial capacity for concurrent sessions and security policies, its maximum IPS performance is limited to 22 Gbps, which could be a constraint in highly dynamic security environments.


The Juniper SRX-MIC-2X40G-QSFP is a Modular Interface Card (MIC) designed for high-speed networking, offering two 40 Gigabit Ethernet (GbE) QSFP+ ports. This MIC module is engineered to fit into the Modular Port Concentrators (MPCs) of SRX series services gateways, enhancing their capabilities by providing additional high-speed network connections. The card is specifically designed to support up to 80 Gbps of full-duplex traffic, allowing for efficient and high-volume data transfer across networks. Key specifications of the SRX-MIC-2X40G-QSFP include: - Network Ports: It houses two 40 GbE QSFP+ interfaces, capable of accommodating QSFP+ Ethernet fiber-optic transceivers for high-speed data transmission. - Maximum Throughput: The card supports a maximum throughput of 80 Gbps, ensuring that data flows efficiently through the network without bottlenecks. - Maximum Configurable MTU: It allows for a maximum transmission unit (MTU) of 9192 bytes, facilitating the efficient handling of large data packets, which is essential for high-performance computing and data center environments. The SRX-MIC-2X40G-QSFP is compatible with either slot in the SRX5K-MPC, offering flexibility in deployment within the SRX series services gateways. With a weight of approximately 1.6 lb (0.7 kg), it is a lightweight addition to the networking hardware. In terms of performance, the MIC module delivers exceptional firewall, VPN, and IPS capabilities: - Firewall performance peaks at 65 Gbps, with IMIX traffic supported at 30 Gbps and packets per second rate (64 bytes) at 9.8 million. - VPN performance is robust, with maximum AES256+SHA-1 and 3DES+SHA-1 throughput both at 43 Gbps. - IPS performance is capable of reaching up to 22 Gbps. The module supports a maximum of 28 million concurrent sessions and up to 80,000 security policies, making it suitable for handling high volumes of network traffic and complex security frameworks. Operational reliability is ensured with a long-term operating temperature range of 41° to 104° F (5° to 40° C) and short-term tolerance between 23° to 131° F (-5° to 55° C). The module operates efficiently within a humidity range of 5% to 85% noncondensing, ensuring durability and consistent performance under varied environmental conditions. Status indicators on the module include Link OK, Link/activity, and Fail, providing immediate visual cues on the operational status and facilitating easier troubleshooting. By integrating the Juniper SRX-MIC-2X40G-QSFP into their network infrastructure, organizations can significantly enhance their network's throughput, security, and reliability. This MIC module is an essential component for enterprises looking to scale their network capacity, manage large volumes of data, and maintain high levels of security and operational efficiency.


Part Number and Manufacturer Juniper SRX-MIC-2X40G-QSFP
Network Interface Dual 40 GbE QSFP+ ports MIC module
Compatibility Compatible with MPC
Bandwidth Capacity Supports duplex traffic up to 80 Gbps
Maximum MTU Configuration 9192 bytes
Peak Throughput 80 Gbps
Transceiver Slots Two slots for 40-GbE QSFP+ fiber transceivers
Slot Compatibility Can be installed in any slot of SRX5K-MPC
Weight 1.6 lbs (0.7 kg)
Communication Protocol 40 Gb Ethernet
Data Transmission Speed 40 Gbps
Indicator Lights Link OK, Activity/Link, Failure
Maximum Firewall Throughput 65 Gbps
Firewall Throughput with IMIX Traffic 30 Gbps
Firewall Processing Rate 9.8 million pps with 64-byte packets
Top AES256+SHA-1 VPN Throughput 43 Gbps
Top 3DES+SHA-1 VPN Throughput 43 Gbps
Highest IPS Throughput 22 Gbps
Maximum Simultaneous Sessions 28 million
Maximum Security Policy Entries 80,000
Stable Operating Temperature 41°F to 104°F (5°C to 40°C)
Temporary Operating Temperature 23°F to 131°F (-5°C to 55°C)
Long-Term Humidity Tolerance 5% to 85%, non-condensing

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