Juniper high cpu fpc. Recently we installed qfx 5100 to switch some l2 traffic only, a couple of vlans. Jun 27, 2019 · 2. 1R3-S4. Mar 12, 2024 · Mar 12 09:00:57 2024 gw PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value = 99 Mar 12 09:00:57 2024 gw PERF_MON: RTPERF_CPU_UTIL_MAX: FPC 0 PIC 0 CPU Utilization greater than 99, expect packet loss So, FPC 0 PIC0 CPU is out of resources. But I noticed spikes of cpu on RE and FPC. the ipsec is also as simple as possible. 4R3-S2. Symptoms The customer reports high CPU. This comprehensive guide offers expert recommendations to optimize your network performance, ensuring a smooth and efficient scanning process. Solution Perform the following checks: Check the CPU utilization on the Junos device with the command: show chassis routing-engine Mar 17, 2023 · I have a problem with high CPU and memory usage seen in routing engines of both EX4600 that are stacked in VC and both are on newest/recommended Junos version 21. Reference: CPU usage of pfex_junos process increases when adding SFP to uplink module of EX4300-32F Important: We also found an internal PR reported for high CPU for Pfex_junos process after upgrading to 21. May 4, 2014 · Archived User Posted 05-04-2014 22:38 Reply Reply Privately Hi Nomad, CPU can go high if you receive high transistian traffic; the below provided information eventd , rtlogd processes are utilizing some CPU resource. Symptoms The FXPC process shows high utilization. The system raises an alarm . Apr 8, 2024 · There is no way to disable it. ARP storm issue is fixed by applying the ARP policer at interface level on the interested interface and post that CPU got stabilized and the BFD/ ISIS session Jan 26, 2025 · RTPERF_CPU_UTIL_MAX: FPC 0 PIC 0 CPU Utilization greater than 99, expect packet loss RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value = 88 Is there anything we can do to improve this? the ike proposal-set is standard. ua> Content-Type: text/plain; charset=windows-1251 Hi, If someone interested the issue was related the bridge-domain. Temperature sensors in the chassis monitor the temperature within the chassis. 1> show chassis fpc Temp CPU Utilization (%) Memory Utilization (%) Slot State Mar 25, 2024 · Conclusion: The FPC receives a large number of arp requests and does not enable ddos protection. I have this issue on two stacked EX 2300 switches:Model: ex2300-48pJunos: 20. 8. show chassis fpc Temp CPU Utiliza Hello. After removing this portion of configuration the CPU is ok. juniper@ME-CSR-HNI_CGY-C100. 4 Result of this problem is slow response of ssh and very high latency when pinging this stack (900ms+) where traffic going through it is fine and without problems. Check uKernel CPU util for all FPCs in VC - request pfe execute command "show threads" target fpc<no> - request pfe execute command "show sched" target fpc<no> Nov 5, 2018 · There is no Traffic load yet but i see high cpu usage from the fxpc process "1583 root 2 -52 -52 579M 109M umtx 0 36. ALOO. The CPU on the FPC is high. Solution When you observe high CPU utilization, perform the following steps to understand the cause and isolate the source. 0R4. To: juniper-nsp at puck. 6 Feb 29, 2012 · Good day, I have MX960 with 2 RE. Dec 4, 2018 · Description In EX switches, the FXPC process goes high and continues to stay high when DDoS protection is disabled. Aug 23, 2021 · Description After making changes related to a firewall configuration in a scaled environment, users may observe high CPU on the Routing Engine (RE) and the Flexible PIC Concentrator (FPC) in MX Series routers. High ICMP response time beyond 4000 ms. But FPC CPU load is rolling over 60%. But there's not any l2 loops in Hi All, Am getting RE High CPU utilization frequently on the NMS server. perfect-forward-secrecy { keys group1; } Display status information about the installed Flexible PIC Concentrators (FPCs) and PICs. Mar 8, 2020 · 1. it keeps appearing after every 30mins or less and stays for like 20~30 mins and then re Nov 27, 2023 · Valuable insights and practical suggestions on how to mitigate and prevent high CPU utilization during intensive network scans. flowd usually roams around 280%-290% due to preallocation of cpus. 7 Yesterday after switchover to backup RE (disk fail was the reason), I see high CPU utilization for fpc0 and fpc2 DPCE-R line cards. Solution "enable ddos-protection" can solve the problem Modification History 2024-03-25 : Article Created AFFECTED PRODUCT SERIES / FEATURES May 25, 2022 · I saw some DDoS LOGS but I think these logs would be affecting the threads processing, right? May 26 06:28:45 JUNOS. Also i have huge Ping times upto 300ms, never seen it before at Juniper devices where is no load at all Thanks Apr 7, 2024 · The FPC CPU might go high during route convergence and may remain high until the routes gets converged fully even after router convergence completed by RPD and PFE, SRRD may take time to converge the routes. Jul 31, 2024 · user @router> show chassis fpc Temp CPU Utilization (%) CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt 1min 5min 15min DRAM (MB) Heap Buffer 0 Online 54 29 1 32 34 34 3168 74 30 <-- LC2101 heap memory utilization after the upgrade 1 Online 52 29 0 30 30 30 3168 74 30 <-- LC2101 heap memory utilization after the upgrade Jul 28, 2025 · cpu = 25% Solution High CPU usage on FPC 0 was the key reason for BFD flaps due to below symptoms. ver 10. Also I found out if I disable pics xe-2/0/0 and xe-2/1/0 the cpu utilization for fpc2 decrease to normal ~10-15%. Do you have any policy logging enable (as below) then { permit; log { session-init; session-close; } If enabled, please disable May 30, 2019 · Routing-engine CPU typically is not high (such as 78% idle, which is 22% utilized), but the FPC CPU utilization was above 80%, spiking to 95 or 100% occasionally. I changed the cards, sfps but it not help. Usage of CPU by FXPC is aroun 65-70 percent and overall usage is often around 95-100%. nether. Jul 10, 2012 · SRX has 3 CPU cores, since freebsd resource allocation mechanism ensures pre-allocation of cpu resources to important processes like flowed in order to provide near-realtime processing. 7H 37. Solution The solution below provides information for checking current status, evaluating what is generating the alarm, understanding the alarm, and determining the appropriate action required. Apr 6, 2023 · Hello all,I receive a lot of alarms for CPU usage above 70% . datagroup. This is how hardware looks like: Dec 15, 2020 · Hello Experts,Many times our monitoring system report the FPC0 got high CPU Utilization over 90% test@mx960-RR> show chassis fpc Temp CPU Sep 30, 2015 · Occasionally a Juniper SRX device running Junos will have a high CPU. The device was showing FPC CPU as 100% as seen from below command, root@QFX5100-48s-6q> show chassis fpc no-forwarding Temp CPU Utilization (%) CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt 1min 5min 15min DRAM (MB) Heap Buffer Nov 9, 2012 · Description This article provides a checklist that can be used to troubleshoot Routing Engine (RE) High CPU utilization related issues on M/MX/T routers. Depending on the load on the device, CPU utilization may vary. Below is the output of which depicts utilization as 99 but router is running just fine. Feb 6, 2008 · Symptoms The EX-series switch generates a temperature alarm such as "FPC 0 EX-PFE1 Temp Too Hot". ARP storm is observed on one of FPC 0 interface. 4R3-S4. What can cause that high CPU usage? Any tips how to trobuleshoot it? Junos 20. SPO jddosd[8794]: DDOS_PROTOCOL_VIOLATION_SET: Warning: Ho Feb 29, 2024 · Symptoms >Customer observed High CPU based on jnxOperatingCPU metrics monitored . Hello! I recently faceing issue with our EX-4600 configured in VC. 20120301173206 at ip. Mar 10, 2020 · Description This article walks you through troubleshooting high CPU utilization on Juniper Networks EX Series Switches. Non Juniper/unsupported optics? - request pfe execute command "show sfp list" target fpc<no> - show chassis pic fpc-slot <> pic-slot <> 4. Solution A denial-of-service (DoS) attack is any attempt to deny valid users access to network or server resources by using up all the resources of the network element or server. 4R3 in the EX4300 Virtual Chassis. 6Model: ex2300- Jul 23, 2019 · Hi, We have freshly installed QFX5110-48S with no load at this moment. 55% fxpc" the question is, why it used upto 50% cpu and for what works this FXPC process. Thank you in advance kind strangers. 2 > show chassis fpc Temp CPU Utilization (%) CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt 1min 5min 15min DRAM (MB) Heap Buffer 0 Online 35 60 0 59 59 59 16384 28 49 Apr 21, 2017 · Command "show security monitoring performance spu" or " show security monitoring fpc <fpc_no>" shows the CPU usage on SPU, SPU is the guy which processes network traffic. Any scheduler slips? 3. What we can see to diagnose and correct the cause ? Model: qfx5110-48s-4c Junos: 18. High CPU load on FPC with little traffic Recommend Freemind Posted 03-08-2020 13:33 What is the cause of high utilization of cpu on fpc. The only processes I noticed with high cpu is fxpc Software version: 20. net Subject: Re: [j-nsp] MX960: High CPU FPC Message-ID: <1062042315. Symptoms A checklist that can be used to troubleshoot RE High CPU utilization related issues on M/MX/T routers. Any ideas? evgeniy@mx960-slave> show chassis fpc Temp CPU Nov 28, 2022 · I have an ACX2100 with high CPU usage in all FPCs. Here are some tips for troubleshooting these incidents. k5 vn1bk2 zo6grc or 17uv yeb1 3m ja1o wc vo0nzy