Junos show sfp modules Swap sfp on port 5/3/6 with another working SFP. Oct 23, 2017 · I'm having trouble getting autonegotiation status on a 10Gb SFP+ port on a QFX5100. Here is the sample command for checking the TX/RX optical power show interfaces diagnostics optics Sample Output Aug 12, 2025 · Juniper Networks EX4300 Ethernet Switches provide connectivity for high-density environments and scalability for growing networks. Learn more about the transceivers, line cards, and interface modules that are supported on Juniper Networks EX4400. View and Download Juniper EX4400 hardware manual online. This command reveals essential details such as the SFP module type, vendor, part number, and serial number, while enabling verification of module functionality. Can someone tell me an easy way to determine if i unseat/reseat an SFP to see what interface it is reinserted? I am in a work lab and the configuration and the physical interface cards don't match up with the naming convention in the CLI. Description Display chassis hardware information. Links become UP and RUNNING only with the first installation of SFP and connecting to over switch. There're corner cases that a particular Juniper SFP Jul 9, 2024 · Description Juniper Networks EX4100s will not bring a link up when using SFP-Ts on ports ge-0/1/0 to port ge-0/1/3. 1F6, 16. This topic discusses about the various device interfaces supported on Junos OS such as transient interfaces, services interfaces, container interfaces, and internal ethernet interfaces. Run (the juniper equivalent of) "show interface" and check if the interface bandwidth is reported as it should be (e. Dual-rate (Ethernet & OTN rate) Cormericial temperature 70 degrees C 100 Gigabit EthernetCFP2Duplex LC PC/UPC Optical Transceiver SMF 40 km Routing MX240 MX480 MX960 Show more CFP2-100G-LR4-D Part Number:740-049775 CFP2, IEEE 100GBASE-LR4 and OTU-T 4I1-9D1F dual rate, SMF 10km, 0 to 70°C, Duplex LC connector 100 Gigabit Jan 19, 2022 · Intro When using an SFP/ SFP+ or QSFP module, you may encounter an issue where it simply doesn't work when you first plug it in, and a common next step is to remove the SFP and reinsert it physically. Juniper’s portfolio of qualified 10G and 1G optical transceivers are low-cost multipurpose modules available in footprint-optimized form factors. You can find the list of transceivers supported on QFX5120 switches and information about those transceivers at the following pages: Jun 27, 2019 · Please paste "show chassis hardware" and "show chassis pic fpc-slot x pic-slot x" so that we know the exact module we are discussing. Do not mix with other 1G SFPs because SFP-10GBASE-T deactivates other ports with a different 1G SFP module. The MPC (MPC Type 2 3D EQ) is shown as FPC 2 in the CLI. To display all of the router components and their serial numbers, enter the following command-line interface (CLI) command: Nov 18, 2011 · Users may find that the physical interface in a Juniper Networks EX or QFX Series Switch is not listed in the show interface command output. Jan 4, 2019 · The issue has been fixed in Junos OS release 18. Note: SFP-T is a copper module optic that the QFX5200-48Y device does not support. In Junos OS Release 11. Still same. A maximum of 32 cores will be assigned to SRXPFE, for flow processing. Any allocation of cores in excess of 32 will Use this guide to install hardware and perform initial software configuration, routine maintenance, and troubleshooting for the EX4400 switch. 1, the output of the show chassis hardware detail | extensive | clei-models | models operational mode command displays the new DC power supply module (PSM) and power distribution unit (PDU) that are added to provide power to the high-density FPC (FPC2-PTX-P1A) and other components in a PTX5000 Packet Transport Router. Appreciate somone QFX5120 switches support SFP, SFP+, SFP28, QSFP+, and QSFP28 transceivers. 0 performs resource management, the vCPUs and RAM available to the instance are assigned based on what has been allocated prior to launching the instance. Mar 28, 2019 · Hi Charli, are you looking for something like below: Juniper Networks EX-SFP-10GE-T Compatible 10GBASE-T SFP+ Copper RJ-45 30m Transceiver Module Regrads, Gaurao Oct 22, 2012 · KB29502 : [EX/QFX] How to view the diagnostics data and alarms for Optical VCP Interfaces from all-member switches in a Virtual Chassis Fabric (VCF) Sep 1, 2023 · If you want to use SFP-10GBASE-T at 1G speed, use a separate quad of ports. Juniper Networks Hardware Compatibility Tool helps you find the transceivers or optics, line cards, and interface modules that are supported on Juniper Networks products. This command will provide detailed information about the SFP module, including the status, type, vendor, and various optical parameters such as power levels and signal quality. Dec 17, 2014 · As the title states, how can I see what optic I have installed in an interface for an MX router? Sep 3, 2018 · This article explains how to check whether an SFP+ is NEBS compliant or not by using show sfp <index> from the shell of the FPC. 4 and later, the output for the show chassis hardware models operational mode command for MX Series devices display the enhanced midplanes FRU model numbers—CHAS-BP3-MX240-S, CHAS-BP3-MX480-S, or CHAS-BP3-MX960-S—based on the router. Hello, I am currently configuring an EX4300-48P switch and have added a 4x 1G/10G SFP/SFP+ module. sfp sfp+ incombatibility 3. When i try plug in SFP+ the switch is detect the new interfaces such as XE-0/1/0. Mar 13, 2024 · Hello, I bought two 1000-BaseT SRX-SFP-1GE-T 1000BASE-T SFP RJ45 transceiver modules (link here) and want to use them in the SRX300 SFP slots. to request a Return Materials Authorization (RMA), you must find the serial number on the router or component. However, when I do a reboot of the switch, the link does not come back up. ) and for QSFP DAC (direct attach cables) modules. In this article, you will find the steps to troubleshoot this problem when it occurs. If any port on the SFP+ uplink module is a VCP, the changed operating mode does not take effect until the next reboot of the switch. I can see the serial number of the SFP and it shows what FPC it's plugged into. 1R1, and later releases. I can run 'show chassis hardware' and see that serial number ending in In addition, some switches like Cisco and Brocade SAN switches will offer CLI (Command-Line Interface) reference for users to view SFP modules details which includes SFP rate, serial number, Part Number, accept/send direction optical signal strength. I will try to keep it up-to-date. Physical Inspection: Check the fiber optic cable for damage or loose connections. Solution There are three By installing an extension module, you add more ports to your switch, thereby increasing the port density of the switch. Ensure optimal performance with the right wavelength, certification, and power consumption for your network. ie. The Juniper Networks SFP+ Transceiver Module is tested to offer superior networking performance. Each of these 5 has a high alarm, low alarm, high warning, and low warning value defined. Before contacting Juniper Networks, Inc. Run “show interfaces diagnostics optics { { int }}” command to see if you are Tx/Rx light. The switches run the Juniper Networks Junos operating system (Junos OS), which provides Layer 2 and Layer 3 switching, routing, and security services. Hey guys, had anyone issue with the copper sfp? We have a problem with Copper SFP transceivers. Mar 22, 2019 · When using 1 Gigabit SFP optics on the uplink module in EX4300 devices, the uplink interface may not come up and manual intervention may be required to bring up the interface. Whether autonegotiation is set or not I don't see anything that indicates if Nov 7, 2011 · We have a virutal chassis conposed of a number of EX4200 switches, we are getting entries of this type in the messages logfile: Nov 7 14:48:23 <hostname> [755]: link 13 SFP receive power low alarm set The issue is how to decipher what 'link 13' actually means relative to the chassis. The show interfaces terse command output displays the Gigabit Ethernet interfaces, that correspond to the 20 ports located on the MIC. Dec 7, 2023 · This article describes the scenario where Juniper SFP-T interfaces stops to be operational after the upgrade to Junos 21. This topic describes the chassis component alarm conditions on EX4100 switches. The link worked in the last switch, so… Aug 12, 2025 · If a fan module fails, or if the ambient temperature inside the chassis rises above the acceptable range, Junos OS raises an alarm. This is most likely your case, since a reboot can resolve the issue 2. Table 3 shows the extension modules supported on EX4400 switches, their descriptions, and the first Junos OS release the extension modules support. Learn more about the transceivers, line cards, and interface modules that are supported on Juniper Networks EX4100. Please note that this option is dependent on the Juniper router model and the interface SFP type you want to configure. 10 Uptime 28 days, 2 hours, 11 minutes, 50 seconds PIC port information: Fiber Xcvr vendor Wave- Xcvr JNPR MSA Port Cable type type Starting with Junos OS Release 14. Something went wrong during FPC reboot process or insertion of SFP. " This command reveals detailed data about the SFP modules, such as type, vendor, part number, and serial number. This article explains how to retrieve the serial number on EX Series switches by reading it from a label on the chassis, by using the Command Line Interface, or via the J-Web interface. Then I run a: show chassis hardware and get: Xcvr 1 REV02 NON-SFP+ NWB1N9J SFP-SX I assume this means I HAVE to have an SFP+ module? I have looked for an SFP+ module that does 1G and for the life of me, I can't find it. Aug 20, 2025 · Juniper Networks hardware and software products are Year 2000 compliant. 10G if you plugged in an SFP+) If the SFP supports DOM (Digital Optical Monitoring) and so does the juniper, run (the juniper equivalent of) "show interfaces transceiver" and see if anything suspicious shows up Nov 3, 2024 · The Juniper show SFP type command is used to display diagnostics data and alarms for Gigabit Ethernet optical transceivers (SFP, SFP+, XFP, QSFP+, or CFP) installed in EX Series Switches or QFX Series Switches. Display diagnostics data, warnings, and alarms for Gigabit Ethernet, 10-Gigabit Ethernet, 40-Gigabit Ethernet, 100-Gigabit Ethernet, or Virtual Chassis port interfaces. The DPC (DPCE 40x 1GE R) is shown as FPC 3 in the CLI. com Learn about speed and autonegotiation on Gigabit Ethernet interfaces, and how to configure speed and autonegotiation. g. Jul 17, 2023 · Enter the command “show interfaces diagnostics optics ” to display the SFP module status and transceiver information. After completing the installation and basic configuration procedures covered in this guide, refer to the Mist Wired Assurance documentation to learn more about configuration and management of the switch. Layer 1 troubleshooting helps isolate whether the fault lies in the cable, optics, or switch port. Learn more about the transceivers, line cards, and interface modules that are supported on Juniper Networks EX2300. CAUTION: Copper SFP transceivers (1000BASE-T) are restricted to the top four ports or the bottom four ports; fiber SFP transceivers (1000BASE-X) can be used in any of the eight ports. The 48 port switch sees the hardware and creates the appropriate interface but the 24 port switch does not. A few possibilities: 1. Jun 27, 2025 · Threat protection—The SRX300 line supports IPsec VPN, Media Access Control Security (MACsec), Juniper Juniper Advanced Threat Prevention Cloud, and Trusted Platform Module (TPM) to protect against potential vulnerabilities. The information provided by this command is known as digital optical monitoring (DOM) information. Output Fields Table 1 lists the output fields for the show interfaces smart-sfp-defects command. Jan 21, 2022 · Greetings, Working with an EX-4600. Modification History 2024-09-16: KB updated. Below is a description of the test. If you face a problem running a Juniper device that uses third-party optical modules or cables, JTAC may help you diagnose host The 1-Port Gigabit Ethernet SFP Mini-PIM interfaces a single Gigabit Ethernet device or a network. Transceiver Modules: Display diagnostics data, warnings, and alarms for Gigabit Ethernet, 10-Gigabit Ethernet, 40-Gigabit Ethernet, 100-Gigabit Ethernet, or Virtual Chassis port interfaces. Some of these features are platform-specific, while others are common across all routers. Junos OS has no known time-related limitations through the year 2038. Aug 31, 2021 · I have 4x 1G/10G SFP/SFP+ card installed in my EX4300 switch with a 10GB sfp in it but I can't seems to be able to get a link when i connect the fiber to the SFP. Apr 7, 2022 · A colleague has an issue with a 5120 and 10GE-T SFP's. Aug 8, 2024 · As the networking technology landscape changes, optical transceiver modules are key in enabling high-speed data transmission through different infrastructures. Juniper SFP+ 10 Gigabit Ethernet Ultra Short Reach; 850 nm; 10m on OM1, 20m on OM2, 100m on OM3 Multi-Mode Fiber. Note: On EX4200 switches, if you use an SFP+ uplink module, you must configure all member switches to support either 1-gigabit SFP transceivers or 10-gigabit SFP+ transceivers. May 10, 2024 · Description This article describes how to adjust the transceiver's optical output power on an interface. The interface does show in "show interfaces" after the reboot on both the switch and the remote side, however, neither disabling and re-enabling the port nor doing a soft reset of the SFP works In addition, some switches like Cisco and Brocade SAN switches will offer CLI (Command-Line Interface) reference for users to view SFP modules details which includes SFP rate, serial number, Part Number, accept/send direction optical signal strength. The displayed diagnostics include alarms for Gigabit Ethernet optical transceivers, including SFP, SFP+, XFP Oct 3, 2025 · To check the SFP module status and transceiver information on Juniper devices, enter the command "show interfaces diagnostics optics". In data centers, EX4300 switches can be positioned as top-of 光トランシーバーに関わる設定要素は、速度とFECですが。ここでは使用している光トランシーバーの型番、シリアル、受信している光レベル等を確認するコマンドを列挙します。 Oct 25, 2023 · Description The Layer-1 issue typically occurs due to physical connectivity problems such as faulty cables, dirty or incompatible optics, or port-related hardware faults. However in some scenarios the interfaces terse output might not show the interfaces from PIC 2, even if the SFPs have been properly recognized by hardware. This is the information i got from the CLI of cisco router: Optical Optical Temperature Voltage Current Tx Power Rx Power Port (Celsius) (Volts) (mA) (dBm) (dBm) ------- On the show interfaces diagnostics optics command on Junipers for example, I see there are five categories of alarms: Laser bias current, Laser output power, Module temperature, Module voltage, Laser rx power. 3ba. 4R3 and how to resolve this issue. Mar 2, 2018 · Hello, I am trying to bring up a combo 1/10G Intel transceiver (AFBR-709DMZ-IN2) on our EX2200 switch. However, the NTP application is known to have some difficulty in the year 2036. Output fields are listed in the approximate order in which they appear. Since the root cause of this issue is having mistakenly plugged in the SFP-T port, the workaround is to simply remove it. Jun 9, 2023 · The “4x25GbE SFP+ extension module” operates in 25-gigabit mode by default. Starting in Junos OS Release 20. When I plug them Run “show chassis hardware” to make sure the QSFP+ are being read. Transceiver works well at Gigabit speed with other vendors switches, but here JunOS even does not shows fiber interfaces: > show interfaces ge-0/1/0 error: device ge-0/1/0 not found {master:0} During last two days I've searched across all forums and tried all possible solutions - no effect To learn more about the QFX5100 Ethernet Switch read this data sheet for a summary of the product features, benefits, specifications, and ordering information. The 1-Port Gigabit Ethernet SFP Mini-PIM interfaces a single Gigabit Ethernet device or a network. This topic also provides basic interface related information such as interface naming conventions, overview of interface encapsulation, and Description Display chassis hardware information. We can gather the following data to further debug the lack of SFP info being displayed in operational commands - > start shell pfe network fpc2 MX104-ABB-0(mx104-r002 vty)# show sfp list SFP Toolkit summary: wakeup count: 131794 Juniper Transceivers - 100% Juniper Compatible Transceiver Modules. The ports of the 8-Port Gigabit Ethernet small form-factor pluggable Gigabit-Backplane Physical Interface Module (SFP XPIM) can be used for connecting to Ethernet WAN service as well as for local server connectivity at Gigabit Ethernet speeds. Whenever an SFP is added, software linkscan is enabled by default which causes the CPU utilization to go up. Jul 18, 2012 · I saw couple of JUNOS related post on Packet Pushers, so I thought of writing about useful show commands that can be captured during verification or troubleshooting. show chassis fpc <pic-status <fpc-slot >> show chassis hardware show chassis fpc pic-status Slot 0 Dec 21, 2023 · The following is an example of accessing Juniper EX4550 switch with Moduletek limited SFP-10G-LR optical module to show you the specific operation of reading the information of the accessed optical module on Juniper switch. This guide examines Juniper Optical Transceiver Modules to provide a complete understanding of their technical specifications, functions and uses within networking environments. 03 dBm Laser output power : 1. Apr 7, 2017 · When adding a small form-factor pluggable (SFP) to the uplink module of EX4300, the CPU usage of pfex_junos process increases. The operating mode for the module is incorrectly set. The below topics discuss the overview and configuration of 1-Port Gigabit Ethernet SFP Mini-PIM interface, overview and configuration of 2-Port 10-GE XPIM and overview and configuration of 8-Port GE SFP XPIMs. Aug 15, 2024 · How to show optical transceivers (SFP) information on Juniper EX Display diagnostics data and alarms for optical transceivers (SFP): show interfaces diagnostics optics xe-0/0/1 Dec 20, 2023 · Solution Once it is confirmed that the SFP used is Juniper SFP, we need to isolate the problem to the PIC/SFP/FPC. 4. Symptoms Mar 26, 2008 · Description The serial number (S/N) is a unique identifier of Juniper products and is often required by Juniper Customer Service or Sales representatives for product identification. Upon inserting an SFP into this switch and fiber into the SFP, all is working as it should. The table lists the severity levels of these alarms and the actions that you can take to respond to them. No output is displayed for unsupported optics (SFP, CFP, etc. Issue I am having is that if I plug the transceiver module to a port in one switch the port comes up but if I plug the same transceiver module to a port in a separate switch in the same Virtual Chassis the port doesn't come up. In the Juniper world, things are more focused on distributed infrastructure to achieve robust performance, so it’s better to mention it to gain a clear understanding of the Read more » The show chassis hardware command output shows an MPC (MPC Type 2 3D EQ) installed in slot 3 and is shown as FPC 3 in the CLI. 1R1 and beyond, no-auto-negotiation configuration through CLI is supported on ports 24 onwards on ACX5448 variants and port 16 onwards on ACX710 due to hardware limitation for SerDes lanes. Oct 28, 2023 · Description Documentation in Juniper Networks EX4400 System Overview states that the ports from PIC 2 could be configured for 1G or 25G speed with the command and that the default speed is 10G. Perform the following troubleshooting shoot steps during MW: 1. But when i put the EX-SFP-1GE-LX nothing interfaces created when using command show interace terse Already swap the XFP n reboot the switch. This command is supported on mic and cmic driver code from Junos OS 15. 597 mW / 2. This command will provide information such as the type of SFP module, vendor, part number, and serial number. What if you've already left the site, or you're back at Optic Modules Product Description Juniper Networks® has platforms ranging from the Juniper Networks CTP Series Circuit to Packet Platforms, BX Series Multi-Access Gateways, E Series Broadband Services Routers, M Series Multiservice Edge Routers, MX Series 3D Universal Edge Routers, to the T Series Core Routers. The show chassis hardware command output displays a 40-port Gigabit Ethernet DPC with SFP (DPCE-R-40GE-SFP) installed in DPC slot 3. Transient HW issue. To display PIC hardware information, including the media type description, use the show chassis hardware command. Typically, EX4300 switches are used in large branch ofices, campus wiring closets, and data centers. May 25, 2024 · Solution Troubleshooting Steps: Gather Information: Use the commands show interface xe-0/0/1 and show system alarms to get detailed information about the interface and the alarms defects. Configure the following command on the EX4400 switch to configure all the ports in the extension module to operate in 10-gigabit mode: root@switch# set chassis fpc 0 pic 2 port 0 speed 10g Now the 10g ports are fully recognized on PIC 2 of the Juniper EX4400 switch. This command provides detailed information about the status of all interfaces on the switch, including the SFP modules. 3) and trying to connect ISP to OEM SFP which is inserted in interface 1 (ge-0/0/1). Jan 18, 2020 · If you try connecting an SFP-T on QFX5120-48Y (M) or EX4650-48Y, it will appear in the show chassis hardware output but not as a valid interface: show chassis hardware To check the SFP status on a Juniper switch, you can use the command "show interfaces diagnostics optics" or "show interfaces diagnostics optics <interface-name>". They also support direct attach cables. Jun 2, 2020 · I am trying to use "QSFPP-4X10GE-LR" transceiver Module to channelise using "MTP to 4 LC" cable. 1R1, when vSRX Virtual Firewall 3. com. Display diagnostics data and alarms for Gigabit Ethernet optical transceivers (SFP, SFP+, XFP, QSFP+, or CFP) installed in EX Series Switches or QFX Series Switches. Jul 18, 2025 · Learn how to choose compatible SFP modules for Cisco, Juniper, and other network devices. Cause By default, the SFP or SFP+ module operates in the 10-Gigabit Ethernet mode and supports only SFP or SFP+ transceivers. Make sure the send beams are connecting to the receive side of the receiving transceiver. Display diagnostics data and alarms for Gigabit Ethernet, 10-Gibabit Ethernet, and QSFP+ optical transceivers installed in a QFX Series product. Troubleshooting for QSFP/SFP interfaces on Juniper QFX/EX switches Checking TX / RX optical power for Juniper Routers For checking transmission links, it is good to know how to find out the optical power for troubleshooting and making sure the desired or optimal range is meet. Confused about whether your SFP is single-mode or multimode? Learn the differences, visual cues, wavelength ranges, and compatibility to avoid mismatched fiber connections and costly errors. These switches can be deployed wherever you need high density of Gigabit Ethernet ports or redundancy. If you suspect having light issues physically check the fiber cables. You can refer Junos OS documentation also for Buy Juniper EX-UM-4X4SFP - EX4300 4-Port 10G SFP+/4-Port 1G SFP Uplink Module at Walmart. See Setting the Mode on an SFP+ or SFP+ MACSec Uplink Module . The following pictures show the results of SFP module details in Cisco and Brocade switches. If the temperature inside the chassis rises above the threshold temperature, the system shuts down automatically. Attempting to stack copper SFP transceivers causes internal damage to the module. To check the SFP status on your Juniper switch, you can use the "show interfaces" command. Short and quick: deployed new EX4400's with the EX4400-EM-4S (1g/10g) modules, and connected a 1Gb SFP link. Interfaces Display the interface part of the configuration show configuration interfaces Quickly check L1 and L2 status (BPDUs, tx and rx errors) show interfaces <interface-name> media SFP The Juniper Networks Technical Assistance Center (JTAC) provides complete support for Juniper-supplied optical modules and cables. Use this guide to configure several properties of a router at the [edit chassis] hierarchy level. Beginning with Junos 21. The show chassis hardware command output displays a 20-port Gigabit Ethernet MIC with SFP — 3D 20x 1GE (LAN) SFP — installed in slot 0 of an MPC in slot 2. Dec 4, 2023 · In addition to checking the current status of an optic via the 'show interfaces diagnostics optics <interface-name> ' command, it may also be necessary to examine more detailed information regarding the optics or the history of the alarms on the optic. The interfaces on a device provide network connectivity to the device. Mar 16, 2025 · How To Check SFP Model In Juniper? To display the SFP module status and transceiver information on Juniper devices, execute the command "show interfaces diagnostics optics. Aug 22, 2013 · Hi All, Currently i already create JTAC case (2013-0821-1225) but as usually feedback from JTAC very slow so that's why i post in this forum. Feb 21, 2017 · In order to find out info of SFP installed in the Junos machine without taking out the SFP module, do the following commands: Log in to the shell of the relevant FPC. SFP modules were installed Jul 27, 2025 · Power over Ethernet Ports | 4 Juniper Networks EX Series Ethernet Switches provide scalable connectivity for the enterprise market, including branch ofices, campus locations, and data centers. SFP-T can be plugged in to any chassis that supports copper model optics. After insertion this interface is not showing in "show interface terse" and trying to issue command "show interface ge-0/0/1" resulting in error: Jul 2, 2025 · Discover how to view interface transceiver details on different brands' ethernet switches Quickly troubleshoot faults and monitor in real-time. Ensure connectors are clean and secure. Also for: Ex4400-24t, Ex4400-24x, Ex4400-48t, Ex4400-48f. Any help is appreciated. Can someone please help me out Sep 1, 2020 · I have 2 non-Juniper SFP+/SFP modules connected between them. 2023-10-06: KB created. Oct 24, 2023 · On EX4400 and EX4100 platforms, after the system is rebooted or uplink module will be inserted and onlined, a transceiver on the uplink module of PIC2 may not be detected in "show chassis hardware". 100GBASE-ER4 CFP2 pluggable module compliant with IEEE 802. Sep 22, 2025 · How To Check SFP Module In Juniper? To check the SFP module status and transceiver information on Juniper devices, utilize the command "show interfaces diagnostics optics. When 10G-SR optics are in sfp-0/0/6 the port is up and SFP shows in 'show chassis hardware'When 10G-T SFP Jan 26, 2016 · Solved: Hi, I hope someone could please help clarify TX and RX light level. To check the SFP status on a Juniper switch, you can use the command "show interfaces diagnostics optics" or "show interfaces diagnostics optics <interface-name>". Sidebar hardware:junos:hardware. Oct 20, 2017 · I have EX4600 (JUNOS 14. Explore the best options for high-performance, reliable, and energy-efficient SFP transceivers, available at link-pp. The SFP1FEFXST is a Juniper SFP-1G-ZC compatible fiber transceiver module that has been designed, programmed and tested to work with Juniper brand switches and routers. If your link on xe-2/0/0 is up and passing traffic, that link should be okay. html Juniper Junos Home Junos Commands System Management LAN Switching Oct 23, 2023 · I have tried swapping for a different EX-UM-2x4SFP (711-026917) module and still no light. The hardware inventory from the show chassis… Learn more about the transceivers, line cards, and interface modules that are supported on Juniper Networks MX104. Jan 3, 2018 · Junos OS Release 10. Symptoms This troubleshooting guide can be used to resolve the issue if following symptoms are reported on a Juniper device Various hidden and not documented commands for Juniper devices. You can find the list of transceivers supported on EX3400 switches and information about those transceivers at the Hardware Compatibility Tool page for EX3400. EX4400 switch pdf manual download. Table 1 lists the alarms that the chassis components can generate on EX4100 switches. However, JTAC does not provide support for third-party optical modules and cables that are not qualified or supplied by Juniper Networks. How to match it to an actual interface. Display diagnostics data and alarms for Gigabit Ethernet optical transceivers (SFP, SFP+, XFP, QSFP+, or CFP) installed in EX Series Switches or QFX Series Switches. Dec 18, 2024 · MFB Posted 12-18-2024 11:52 Reply Reply Privately Hi there, Show chassis hardware will show the port and SFP module installed with serial number. the connection between core switch no 1 and no 2 is using 10GE SFP+ SR. Dec 6, 2022 · Juniper show SFP type - Juniper commands to check Transceiver technical information, recognition, Digital Diagnosis Monitoring. Jul 9, 2019 · It's weird that the port is up, but the "show chassis hardware" does not display an SFP. Related Information Public PR1714833 documents this hardware limitation. Collect show chassis hardware and check the status of the SFPs. Aug 31, 2016 · I'm have installed 2 Juniper Switch EX3300 for my DC, the link from coreswitch to Switch no 1 (using FO) is finethey working normally, but from switch no 1 to no 2 is not working. Symptoms mist@switch> show chassis pic fpc-slot 0 pic-slot 1 FPC slot 0, PIC slot 1 information: Type 4x1G/10G SFP/SFP+ State Online PIC version 1. The MIC’s two logical PICs — 10x 1GE(LAN) SFP — are shown as PIC 0 and PIC 1. You can also configure support for chassis-level alarms, power management, and other features at the chassis level. " This command provides detailed diagnostics data and alarms for various Gigabit Ethernet optical transceivers, including SFP, SFP+, XFP, QSFP+, or CFP, when installed in EX Series or QFX Series Switches, as well as in SRX Display diagnostic data for the supported optics (QSFP+, QSFP28, QSFP-DD). Sep 22, 2025 · To check the SFP status in operational mode, use the command "show interfaces diagnostics optics" to view details about the installed SFP modules, including their status, temperature, voltage, and optical power levels. 1 or later, the changed operating mode takes effect immediately unless a port on the SFP+ uplink module is a Virtual Chassis port (VCP). This plug-in module uses 10 Gigabit Ethernet data link protocol and enables a data transfer rate of up to 10 Gb/s. After any consequential action like change Ethernet patchcord or install another SFP module "break" ports - they never become UP again. Oct 10, 2019 · A nice and handy Junos command referenceHey, because it is always handy to have a quick command reference, here are a few useful ones that I sometimes need to find quickly. 1X53-D27. By investigating the details of these components, readers Uplink ports on EX3400 switches support SFP, SFP+, and QSFP+ transceivers. Oct 3, 2025 · To check the SFP module status and transceiver information on Juniper devices, enter the command "show interfaces diagnostics optics". For this example I'll use fpc4: master@SW-QFX5100> start shell pfe network fpc4 show sfp list (vty)# show sfp list SFP Toolkit summary: wakeup… Apr 13, 2018 · Display SFP+ transceiver details on the Juniper switch (EX4600) To check the PIC media type and status for a particular FPC, use the show chassis fpc pic-status fpc-slot command. labroot@R01-re0> show interfaces diagnostics optics et-0/0/0 | match dBm | match output | except threshold Laser output power : 1. Symptoms We can see whether an SFP is NEBS compliant or not by using show sfp <index> from the shell of the FPC. Output Fields #xd_4e7502110d0802e3--56c1866e-18db057ac9f--7fbe__show-system-inventory-hardware-optics-table lists the output fields for the show system inventory hardware optics command.