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  4. Impact on our products and services regarding the issue of L2 protection mechanisms being bypassed (JVNTA#96784241)
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  • Dec 02, 2022
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Dec 02, 2022

Impact on our products and services regarding the issue of L2 protection mechanisms being bypassed (JVNTA#96784241)

FXC FXC
We would like to express our sincere gratitude for your continued support of our products. Recently, JPCERT/CC announced an issue where the L2 protection mechanism is bypassed in VLAN-compatible network devices. First of all, we would like to report that the following products from our company are not affected by this vulnerability. [Updated on 2022/11/1] Wireless LAN Products: - AE1041 - AE1051 - AE1041-ai - AE1051-ai - AE1041PE-ai - AE1051PE-ai L2/L3 Switches: - FXC9432 - FXC6552 - FXC6528 - FXC3428 - FXC5224 - FXC5218 - FXC5210 - FXC5224PE - FXC5218PE - FXC5210PE *We are currently in the process of confirming the status of other products. We will announce the results on our website as soon as they are confirmed.
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Impact on Our Products and Services Regarding the Issue of L2 Protection Mechanism Being Bypassed (JVNTA#96784241)
Recently, JPCERT/CC announced that there is an issue where the L2 protection mechanism can be bypassed in VLAN-compatible network devices.

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FXC5210PE.jpg

PoE Gigabit Ethernet L2 Switch "FXC5210PE"

Renewed with FAN-less design! PoE Gigabit Ethernet L2 switch equipped with PoE power supply scheduling function.

The FXC5210PE, which has been on the market for some time, has been renewed with a "fanless design"! The FXC5210PE is a full gigabit managed PoE switch equipped with 8 ports for 10BASE-T/100BASE-TX/1000BASE-T and 2 SFP slots. Its fanless design makes it an ideal switch for quiet environments such as hotels, offices, and hospitals. The FXC5210PE provides sufficient PoE power to wireless access points, IP phones, and other devices equipped with PoE receiving functionality, thanks to its compliance with IEEE802.3at PoE power supply, enabling an optimal network setup. Additionally, by setting a schedule, it can supply power only when necessary, allowing for efficient power distribution. With robust network features such as VLAN, QoS, and LACP, along with enhanced security functions like loop detection/blocking and IEEE802.1X authentication, it offers a cost-effective solution that can handle the dramatically increasing traffic on networks. ● For more details, please contact us or download the catalog.

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FXC5224PE.jpg

PoE Gigabit Ethernet L2 Switch "FXC5224PE"

24-port PoE Gigabit Ethernet L2 switch with a meticulously crafted silent design.

The "FXC5224PE" is an L2 switch equipped with PoE power supply functionality, featuring 20 ports of 10/100/1000BASE-T RJ45 ports and 4 ports of 10/100/1000BASE-T (RJ45) or 100/1000M SFP combo ports. All RJ45 ports comply with IEEE802.3af/at and can supply power of up to 30W per port (totaling 370W). It also includes scheduling and auto-reboot functions, ensuring smooth operation of PDs. ● For more details, please contact us or download the catalog.

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FXC5218PE-photo-m-1.jpg

PoE Gigabit Ethernet L2 Switch "FXC5218PE"

PoE-powered Gigabit Ethernet L2 switch with scheduling function.

The "5218PE" is a full gigabit managed PoE switch equipped with 16 10BASE-T/100BASE-TX/1000BASE-T ports and 2 SFP slots. With IEEE802.3at compliant PoE power supply, it provides sufficient PoE power to devices such as wireless access points, IP cameras, and IP phones that have PoE receiving capabilities, enabling an optimal network. Additionally, by setting a schedule, it can supply power only when needed, allowing for efficient power supply. ◇Features  ○ Equipped with IEEE802.3at compliant PoE power supply function (up to 30W per port)  ○ Includes PoE scheduling function and PoE auto checking function  ○ Two SFP slots allow for the installation of optical modules (optional)  ○ Supports port trunking and LACP (IEEE802.3ad compliant)  ○ Supports STP (IEEE802.1d compliant), RSTP (IEEE802.1w compliant), and MSTP (IEEE802.1s compliant) ● For more details, please contact us or download the catalog.

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FXC5224-photo-m-1.jpg

Layer 2 switch with 16-port management function "FXC5218"

A high-performance gigabit switch that achieves a full gigabit Ethernet environment in a compact chassis.

The "FXC5218" is equipped with 16 ports of 10/100/1000Mbps and can be used as a core switch for gigabit servers and gigabit switches. It has 2 SFP slots, allowing simultaneous use with 10BASE-T/100BASE-TX/1000BASE-T ports. 【Features】 ○ Full gigabit configuration with 16 ports of 10/100/1000BASE-T ○ Equipped with SFP slots, allowing simultaneous use with 10BASE-T/100BASE-TX/1000BASE-T ports ○ Fanless design for quiet operation, creating a comfortable environment ○ Energy-saving support with IEEE802.3az (EEE) and power control features ○ Compliant with IEEE802.1d (STP) and IEEE802.1w (RSTP) ● For more details, please contact us or download the catalog.

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FXC5224-photo-m-1.jpg

24-port managed Layer 2 switch "FXC5224"

A high-performance gigabit switch that achieves a full gigabit Ethernet environment in a compact chassis.

The "FXC5224" is equipped with 24 ports of 10/100/1000Mbps, making it suitable for use as a core switch for gigabit servers and gigabit switches. It has 4 SFP slots (combo ports) that can be upgraded to 1000BASE-X fiber gigabit ports with optional additions. 【Features】 ○ Full gigabit configuration with 24 ports of 10/100/1000BASE-T ○ Equipped with SFP slots (combo ports) ○ Fanless design for quiet operation, creating a comfortable environment ○ Energy-saving features with IEEE802.3az (EEE) and power control functions ○ Compliant with IEEE802.1d (STP) and IEEE802.1w (RSTP) For more details, please contact us or download the catalog.

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FXC5224-photo-m-1.jpg

Layer 2 switch "FXC5210" with 8-port management functionality

High-performance gigabit switch that achieves a full gigabit Ethernet environment in a compact chassis.

The "FXC5210" is equipped with 8 ports of 10/100/1000Mbps and can be used as a core switch for gigabit servers and gigabit switches. It has 2 SFP slots, allowing simultaneous use with 10BASE-T/100BASE-TX/1000BASE-T ports. 【Features】 ○ Full gigabit configuration with 8 ports of 10/100/1000BASE-T ○ Equipped with SFP slots, allowing simultaneous use with 10BASE-T/100BASE-TX/1000BASE-T ports ○ Fanless design for quiet operation, creating a comfortable environment ○ Energy-saving support with IEEE802.3az (EEE) and power control features ○ Compliant with IEEE802.1d (STP) and IEEE802.1w (RSTP) ● For more details, please contact us or download the catalog.

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Related catalog(2)

Gigabit L2 PoE Switch "FXC5200PE Series"

Gigabit L2 PoE Switch "FXC5200PE Series"

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Gigabit L2 Switch "FXC5200 Series"

Gigabit L2 Switch "FXC5200 Series"

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Information and Communications
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Notice of Golden Week Holiday Closure from Castem Co., Ltd.

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Thank you very much for your continued patronage. We apologize for the inconvenience, but we will be closed during the following period. 【Closure Period】 From Wednesday, April 29, 2026, to Wednesday, May 6, 2026. Inquiries received during the closure period will be addressed sequentially starting from Thursday, May 7, 2026. We apologize for any inconvenience this may cause and appreciate your understanding. *Orders placed on various online shopping sites will still be accepted during the closure period. *Shipping of products and responses to inquiries will begin after Thursday, May 7, 2026.

Apr 14, 2026

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We have introduced "scent design" at the entrance of a real estate company located in Tokyo.

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  • PRODUCT

At the entrance of a real estate company in Minato-ku, Tokyo, we have introduced the rental service "Majesta Fragrance" for commercial aroma diffusers, creating a fragrant atmosphere in the space. With the new start of the office relocation on April 1st, a high-quality and sophisticated scent suitable for this new beginning is spreading throughout the entrance. The "scent" that visitors first experience is one of the important elements that naturally conveys the company's impression and dignity. At Majesta Fragrance, we support the enhancement of corporate branding value through the production of scents tailored to the spatial concept. We also offer a free trial installation, so please experience the atmospheric effects that scent can bring. If you are interested in scent design, please feel free to contact us.

Apr 14, 2026

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We will be exhibiting at the Thermal Tech 2026 event held on April 24, 2026.

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We will be exhibiting at the Thermal Tech 2026 event held at the Osaka Industrial Creation Center. At this exhibition, we will introduce our unique material technologies to engineers who face challenges in material selection for high-temperature environments, focusing on polyimide sheets suitable for high heat resistance and insulation applications. As attendance is by prior registration, please register through the related link before visiting, and we hope you will stop by our booth. We sincerely look forward to your visit. ◆ Our main exhibition content - PI Plates (Polyimide Laminates) - SUS/Polyimide Substrates ◆ Exhibition Details ◆ Exhibition Name: Thermal Tech 2026 (Pre-registration required) Pre-registration Method: Please register via the URL in the related link Date and Time: April 24, 2026 (Friday) 10:30 AM - 4:30 PM Venue: Osaka Industrial Creation Center, 3rd and 4th Floors (Reception on the 4th Floor)

Apr 14, 2026

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We have released the ZEROSAI X-AI Heat Stroke Prevention Collection for civil engineering and construction.

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From June 2025, measures against heat stroke in the workplace have become mandatory. Additionally, in December 2026, a "Support Package for Heat Wave Measures in Construction Work" was formulated, making heat stroke prevention during the summer a pressing issue, especially for those engaged in the construction industry. This time, we provide a collection of heat stroke prevention materials that can be utilized through Sysmet Co., Ltd.'s comprehensive weather platform, ZEROSAI X-AI. Examples of heat stroke prevention measures possible with ZEROSAI X-AI: - Cloud management of heat stroke information - Forecasting of the heat index (WBGT) tailored to the site with a mesh of 500m for up to 17 days ahead - Observation of the heat index (WBGT) in compliance with JIS standards using a black globe thermometer - Alerts for exceeding work standard values for the heat index (WBGT) via electronic bulletin boards, emails, and business chat tools like direct LINE WORKS We hope this will be useful at your sites as well.

Apr 13, 2026

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The Nabari City Youth Center has been given the nickname "Energy With Hall."

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Energy With Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo, President: Yoshito Ishii, hereinafter referred to as Energy With) has acquired the naming rights for the Nabari City Youth Center located in Nabari City, Mie Prefecture, and began using the name "Energy With Hall" from April 1, 2026. Earlier this month, a new sign for Energy With was installed. About Energy With Hall Facility Overview Address: 1325-1 Matsuzakicho, Nabari City, Mie Prefecture, 518-0721 (Google Maps: https://maps.app.goo.gl/YLh6Dv6D91irLDx79) Phone Number: 0595-64-3478 Fax Number: 0595-64-8321 For more detailed facility information, please see below. Energy With Hall (Nabari City Youth Center (formerly ads Hall)) – Facility Information

Apr 13, 2026

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  • なぜあの現場で事故は起きたのか? 最新 事故事例セミナー 無料 4.10(金)-5.15(金) 期間中いつでも視聴可能 年間200箇所の工場を巡回する安全のプロが解説!
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