Cisco 3850 fed process high cpu. Task sequence number. Cisco 3850 fed process high cpu

 
 Task sequence numberCisco 3850 fed process high cpu  The new boot loader can support booting both Cisco IOS XE 3

Symptom: Catalyst 3650/3850 switches (stack or standalone) may report following symptoms: - CPU usage of Core 0 is in the range of 90 - 100% - "fed" and its subprocess "fed-ots-main" are high even with not much traffic sent to the cpu - Check the cpu queues by command "show platform punt statistics port-asic 0 cpuq -1 direction rx", forus queue. 12. These are all different software techniques, with different performance in terms of the maximum number of packets that can be routed per second. how i can minimze the CPU Utilziation for this process. Processor Pool Total: 886321088 Used: 335837328 Free: 550483760. Cisco Catalyst 3850 Series Switches also support full IEEE 802. NOTE: Stack in Bundle Mode. x or Later Releases Related Information IntroductionTroubleshooting high cpu en 4500, 6500, 7600 y 3850 - Pregunte al Experto Ir a solución. Switch Ports Model Serial No. NCM is reporting lower CPU for our 3850 & 3650 switches. Layer 2 and Layer 3 Configuration Guide, Cisco IOS XE Everest 16. This script monitors a SNMP OID used to read the CPU busy percentage in the last 5 seconds. Check these issues: Interrupt switching is disabled on an interface (or interfaces) that has (have) a lot of traffic. For Catalyst 4500/4000 series switches that run CatOS or Cisco IOS Software, refer to the document CPU Utilization on Catalyst 4500/4000, 2948G, 2980G, and 4912G Switches. This is commonly seen when the CPU is interrupted due to ARP packets. 6. 4. 6. If the IP input process uses unusually high CPU resources, the router is process-switching a lot of IP traffic. 1. Task . 6, haven't seen any related bugs for this version. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. Cisco Catalyst 3850 Series Switches are the next generation of enterprise class stackable access layer switches, with the new and improved 480-Gbps StackWise-480 and Cisco StackPower. 02. x 07/Jul/2016. xxxx. Core 1: CPU utilization for five seconds: 99%; one. Options. 00 Core 0: CPU utilization for five seconds: 94%; one minute: 92%; five minutes: 90%The output (Cisco IOSd® CPU output) shows that ARP Snoop, IP Host Track Process, and ARP Input are high. The idea with switches is to process the traffic at the hardware level (using the ASICs) when possible. 39 5. One or more Cisco IOS process is consuming too much CPU time. In your case, it appeared that the software you loaded would not work with the hardware. 6. 3 at Power. xE releases as well as Cisco IOS XE Denali16. Passaggio 4: Utilizzare la traccia FED. 8 fed本帖最后由 xupeng 于 2015-4-10 09:12 编辑 案例分享:ARP导致3850交换机CPU中断高 第一步: 找到CPU占用率高的进程 3850系列交换机使用4核CPU, 使用show process cpu 命令将会看到: 3850-2#show processes cpu sort | exclude 0. EN US. 03. Traffic that exceeds the default 600 packet per second rate in the CoPP policy is dropped before it reaches the CPU. Cisco bug ID CSCup49704€- 3850 FED Crash - Waits for SPI channelsWe have a switch stack with 2 x WS-C3850-48T that is hitting high CPU usage. Number of times that the process has been invoked. core". . Note: Running a debug over a production network may overwhelm the router. Step 3: Dump the Packet Sent to the CPU. show process cpu コマンドは、CPU の現在の状態をそのまま表示します。Cisco Catalyst 3850 シリーズ スイッチが 4 つのコアを使用していることに注意してください。次のように、4 つすべ てのコアの CPU 使用率が表示されます。 3850-2#show processes cpu sort | exclude 0. 0 Helpful. hap_sup_reset: 재설정 이유:재설정/다시 로드가 [stack-manager]에 의해 요청되었습니다. Check the details of the LACP neighbor, such as the operational mode, neighbor system Dev ID , and its priority. Hello, I have a Cisco 3850 stack with 2 switches, 3. 6. 32768, f04a. BRM_HQ_CSW_01#sh proc cpu sort. We have (11) 3850's; 2 are stacked and 9 standalone. We were able to do the upgrades with a single reboot. Checked from the monitoring software, the CPU usage is high. conf" Last reload reason: Critical process fed fault on fp_0_0 (rc=139)Go to Cisco r/Cisco. As the process is using 18. The body of the email is the output of the show process cpu sorted command. Core 0: CPU utilization for five seconds: 45%; one minute: 44%; five minutes: 44%. Checked from the monitoring software, the CPU usage is high. I am looking to others who may have taken the leap and if they got the expected result. 39 0 pdsd 8581 3259771 25430981 187 2. 03. ARP Requests from Apple Devices High CPU. adams 2. 00 Core 0: CPU utilization for five seconds: 55%; one minute: 78%; five minutes: 78% Core 1: CPU utilization for five seconds: 68%; one minute: 66%; five minutes: 65% Core 2: CPU utilization for five seconds. 6 we are facing the high CPU usage. Core 0: CPU utilization for five seconds: 1%; one minute: 4%; five minutes: 23%. Cisco Catalyst 3850 系列交换机有许多队列,可满足不同类型数据包的需求(FED 维护 32 个直接进入 CPU 的接收队列)。 监控这些队列非常重要,以便发现哪些数据包被传送到CPU,哪些数据包由Cisco IOSd®处理。In 3850, I created 6 SVI to routing on local and I apply ACL for 5 SVI as bellow: When I apply ACL 108 have 159 rule to SVI 108, CPU switch is high 80% but before I apply ACL 108, CPU is 4%. 3 CPU 0 is running high 90. I have also seen once, CPU load falling a 20%. 00 4. Core 1: CPU utilization for five seconds: 18%; one minute: 24%; five minutes: 28%We have one Catalyat 3850 switch with High CPU utilization. Address Resolution Protocol Interrupts Step 1. Symptom: A Catalyst 9200 switch may crash when executing "show platform hardware fed switch active fwd-asic resource tcam utilization 1". 04E that is reporting high CPU caused by " EPC WS Pkt Send p" I have been trying to figure out what could be causing the Embedded Packet Capture to cause high CPU but am not having any luck. SE , that present problems of increased CPU (until 80%) for no apparent reason. 6. Switch_1# sh processes cpu platform sorted location switch 3 R0 | in fmanHello, After the IOS upgrade to the version 16. 3. 6. 01-09-2020 07:33 AM. Task sequence number. 33 26. Cisco 내부 정보 SR 680000139(High CPU)의 증상도 이러한 유형의 문제를 유발하는 것으로 나타났습니다. 22 0. 1. sample capture from device: switch#Show process CPU sorted | ex 0. 5. 06E (Version 03. CPU Q Id : 23 CPU Q Name : CPU_Q. If the problem is replicated, go to step 2. 44 MB)04-14-2020 05:08 AM. 3. High CPU observed in punjectrx fed-ots-main thread. 05-19-2008 04:03 PM. Switch_1# sh processes cpu platform sorted location switch 3 R0 | in fman Hello, After the IOS upgrade to the version 16. 0 CORE-SW01#show proc cpu detailed process fed | ex 0. High CPU Usage Caused by Process or TrafficTraditionally, most of smaller Cisco switches (3750, 3850, 2960, etc. 9300-Switch#show platform hardware fed switch active qos. 91% 84. xE. Identify the Process that Consumes CPU Cycles Step 2. Community. Step 2: Determine the CPU Queue that Causes the High CPU Usage Condition The Cisco Catalyst 3850 Series Switch has a number of queues that cater to different types of. 1 etc then you won’t see any OID for each core , this means at present Cisco has not included or implemented the OIDs for each core under CISCO-PROCESS-MIB. Switch firmware is 16. I have been trying to figure out 3850 / 3650 CPU queue traffic with not much success. Catalyst 3850 Series Switches On Catalyst 3850 switches, NGWC L2M Process uses CPU to process IPv6 packets. These regions/banks are called ACL TCAMs (TAQs). Quite a few IOSs in the 3750s, will use a lot of CPU for Hulc LED process, but that normally doesn't impact performance. The FED CPU packet capture tool helps identify data that traverses the control-plane and provides. 50 69. 9. n164-3850-DHS-SP-1stFL-1#show process cpu detailed process iosd sort | exclude 0. 2 27. Now CPU processing of the stack is very high and it causes the packet loss. See the attached process output. RSS フィードを購読する. One is VMATM Callback and one is IP Input. Mostly, if you set up the SNMP correctly the IOS will "SLOWLY" release the CPU/Memory. Core 3: CPU utilization for five seconds: 30%, one minute: 39%, five minutes: 36%. Enable the AVB feature and its corresponding VLAN: Cat3850# configure terminal Cat3850 (config)# avb Cat3850 (config)# vlan 2 Cat3850 (config)# end. . 01 2. Upgrade the firmware to something more recent. Last reload reason: Critical process platform_mgr fault on rp_0_0 (rc=134) Also i have checked crashinfo file and i observed some logs . 03. I would recommend to use other DHCP server and exempt your 3850 device from this process. Currently have a hardware issue with some PCs on our network flooding traffic, this is resulting in high cpu usage on our 3850 switches. ===== c3850# sh processes cpu switch 2 det process cpumemd sorted Core 0: CPU utilization for five seconds: 12%; one minute: 7%; five minutes: 6%Einleitung. A value for exit-val ensures that the script does not run in an endless loop. Hello Is it better to buy Catalyst 9300 with 8 10G port network module or Cat 3850 12 port fiber switch ( stack) We are looking for upstream switch with L3 and SDA capabilities. CSCuz60141. Core 3: CPU utilization for five seconds: 97%; one minute: 94%; five minutes: 94%. action 3. Happy to hear it's been identified. fed —The Forwarding Engine Driver process. switch# show lacp sys-id. #sh proc cpu sort | e 0. 0 fed and stack-mgr causing High CPU on 3850 CSCuo14511 Description Symptom: "show process cpu" reports high CPU utilization due to 'stack-mgr' process (which consumes >75%). CSCup49704. EEM-Beispielskript (Embedded Event Manager) für Cisco Catalyst Switches der Serie 3850. I have found others discussion with high CPU process but there is no clear explanation for PunjectRx. Issue is happening only on working hours, so likely that connected to user activity. 4799: Memory allocation of 3380 bytes failed from 0xAAB9E1E5A0, alignment 8. Peaks are cyclic and take place one a minute during 15 seconds more or less, I have checked processes: 111111111111111 6666600000000000000066666. I don’t think you can read individual core usage at this point, if you use SNMP Object Navigator and drilldown . 11 0 IP Host Track Proce #show processes cpu detailed process fed sort | ex 0. Has anyone seen this and solved it without an upgrade. 80. 19145 17642 0% 0% 0% S 296591360 fman_fp_image. WS-C3850-24XS-E. 03. 12 2318098713 431897532 5367 61. Options. Core 0: CPU utilization for five seconds: 38%; one minute: 37%; five minutes: 29%. 2 process that seems to be the culprit. 3850-2#show processes cpu detailed process fed sorted | ex 0. x or Later Releases Related Information IntroductionStep 1: Identify the Process that Consumes CPU Cycles Step 2: Determine the CPU Queue that Causes the High CPU Usage Condition Step 3: Dump the Packet Sent to the CPU Step 4: Use FED Tracing Sample Embedded Event Manager (EEM) Script for the Cisco Catalyst 3850 Series Switch Cisco IOS-XE 16. 一旦您发现 CPU 使用率高的症状中列出的任何症状,请执行以下操作:. 86 0 iosd . See full list on cisco. System memory: 3980144K total, 3493056K used, 487088K free, Lowest: 487088K. 2 27. show platform health. As per RFC7042, all MAC-48 multicast identifiers prefixed "33-33" (that is, the 2**32 multicast MAC identifiers in the range from 33-33-00-00-00-00 to 33-33-FF-FF-FF-FF) are used as. Intermittent High CPU Related Information Introduction ケーススタディ:アドレス解決プロトコル (ARP)割り込み. This release note gives an overview of the features for the Cisco IOS XE Denali 16. 3850-2#show processes cpu detailed process fed sorted | ex 0. CPU utilization for five seconds: 98% /3%; one minute: 96%; five minutes: 98%. I have already found out that the high core usage is only happening on switch 1. 0 Core 0: CPU utilization for five seconds: 16%; one minute: 17%; five minutes: 17% Core 1: CPU utilization for five seconds: 96%; one minute: 97%; five minutes: 97% Core 2: CPU utilization for five seconds: 100%; one minute: 99%; five minutes: 74% As you'll notice, the high cpu value on the core doesn't always show up on the same core. We have been able to investigate which port is driving the high cpu. I have two switches in stack, which have high CPU processing, I see that the fed process is consuming too many CPU resources. Here are some outputs: switch#sh proc cpu sort | e 0. 02. You can use following procedures to find out if your Catalyst switch seeing high CPU utilization is affected by this problem, and implement respective solutions. 89 0 iosd-FED process crash -flash write issue -Traffic destined to the CPU is dropped following a reload and a shut/no shut of SVI fixes it until the next reload. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process . 04 26. Swap: 5618316k total, 5461020k used, 157296k free,. 5b without a noticeable change in CPU levels. 4, targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. 03. 1. Dears, I'm facing problem in the CPU Utilization on Cisco 3750x, the below is the resault of "show process cpu sorted": 5Sec 1Min 5Min TTY Process. They both utilizing high CPU and the process thats responsible is IOSd (100% CPU on 1 core) These 4500 are in two seperate networks with no physical connections to each other. X train, like 16. We have one Catalyat 3850 switch with High CPU utilization. We have begun using the new generation of 3850 switches, specifically WS-C3850-24P-P switches. 0 Core 0: CPU utilization for five seconds: 45%; one minute: 44%; five minutes: 44% Core 1: CPU utilization for five seconds: 38%; one minute: 44%; five minutes: 45% The problem here I think is something that can't be expressed int this document because I'm seeing this high cpu issue happen on multiple 3850s with multiple images and to multiple queues. 如果最近没有对网络进行任何更改,则安全问题尤其. Ive seen it cause stp instability as well as stack member crashes. 4800: Pool: Processor Free: 1598872 Cause: Memory fragmentation. Monitoring tool shows Memory 1 is running with 90% (above threshold limit) and other memory is fine. But at the same time other switches' delay is normal except 10. Eg. 06E RELEASE SOFTWARE (fc1)) when we checked the software we noticed that software version effected with vstack vulnerability and we want to upgrade to latest stable version afterI have checked the. Similar to Cisco routers, switches use the show processes cpu command in order to show CPU utilization to identify the causes of high CPU utilization. 1. Page of 54 Go 39. Symptom: Hulc LED Process uses 15-30% CPU on Catalyst 3560X/3750X platforms. 6. Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03. . 3. 3. 1 however the rest of the 3850 seems to be OK except this naught one. The reboot in all cases took 12 mins for a 2 switch stack to 13 1/2 mins for a 9 switch stack. 02. 7. this switch reloaded unexpectedly and below is the reason showing. 74 1088 fed. x 27/Jan/2021; Troubleshoot PoE Imax Errors on Catalyst 3650/3850 Switches. There are two probable causes for high CPU utilization occuring in relation to Simple Network Management Protocol (SNMP): Large route and/or ARP tables being polled by the NMS station. 0 Core 0: CPU utilization for five seconds: 45%; one minute: 44%; five minutes: 44% Core 1: CPU utilization for five seconds: 38%; one minute: 44%; five minutes: 45% 283 I 574800 3225649 0 4. - The CPU load has been increased in big steps of about 20% in about two months. Sw Ver. 6. Cold reboot means pulling the power cable(s) and not issue the "reload" command. • IOSd runs as process on kernel-> linux_iosd-image • Not all processes run on all switches. Solved: Hi All, We experience high CPU usage on Stack 3850 switches and currently running WS-C3850-48P 03. 71 69. 07. Please find the below output and suggest me the solution; continouesly we are monitoring and still it is same. Beginner. 2 52 WS-C3650-48PD 16. O comando show process cpu exibe naturalmente a aparência atual da CPU. My process cpu goes high and when i check IOSD prcoess taking majority of CPU. Description. IPv6SnoopingCommand (StartingfromCiscoIOSXEDenali16. Tracing. PDF - Complete Book (8. 0 cli show clock >> bootflash:high-cpu. 6. 0 cli show processes cpu sort >> bootflash:high-cpu. Dumps all the packets sent to the different CPU queues and possible drops. Step 2: Determine the CPU Queue that Causes the High CPU Usage Condition The Cisco Catalyst 3850 Series Switch has a number of queues that cater to different. X를 실행하는 Catalyst 스위치에서 Punt/Inject FED 패킷 캡처 구성Que tal colegas, Consultando nuevamete al foro para pedirles comentarios o si les llego a pasar algo similar, Actuamente tengo desplegado 2 Switch 3850 en Stacking en la red de un cliente, ya casi va 1 año, en la cual viene trabajando normal, me solicitaron configurar unos puertos en el switch y n. I was looking at a show proc CPU history on a 3850 (IOS-XE) switch and I see short CPU spikes. 241. Schritt 2: Bestimmen der CPU-Warteschlange, die die hohe CPU-Auslastung verursacht. This is commonly seen when the CPU is interrupted due to ARP packets. If you reboot the switch before. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. 0 Core 0: CPU utilization for five. no issue getting IP address. 2E iosixe version where i can observe high cpu due to below process. Similar to Cisco routers, switches use the show processes cpu command in order to show CPU utilization to identify the causes of high CPU utilization. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 6032 889844 24282930 618 25. This is causing processes like SNMP and SSH to freeze up and not work properly. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5717 251676 36349739 1470 27. This script emails an alert when CPU utilization goes above 50 percent. I have looked a the ports and the reliability is 255/255, txload and rxload are very low. dhcp acks back to the client can get stuck in switch and cause high cpu condition. 49 does not. result: 316 8864348 869362 10196 74. We have a cisco 3850 which version is 03. 0 cli show clock >> bootflash:high-cpu. show proc cpu | exclude 0. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. txt. 93% 17. 12. x 20/Aug/2020. Stack Manager and High Availability Configuration Guide, Cisco IOS XE Fuji 16. 3. We have a cisco WS-C3750X-24 that sometimes shows high cpu. Catalyst 3750XのCPU使用率が高いという問題があり、シスコ社の文書を参考にしてトラブルシューティングを行いました。. here is the output: DC1#show process cpu | ex 0. 1 etc then you won’t see any OID for each core , this means at present Cisco has not included or implemented the OIDs for each core under CISCO-PROCESS-MIB. 4. 72% Switch #2 (the ironic thing is that this switch is a hot spare and has nothing plugged into it) stack-mgr = 32. NPM has been reporting high memory utilization, which is attributed to the lsmpi_io reading. 42 1088 fed 6258 3292482 92102444 4593 23. The busiest process seems to be 'fed' k390-cal-r-4a-0#show proc cpu sorted Core 0: CPU utilization for five seconds: 59%; one minute: 53%;. 41 49. A system-report can be generated when the switch is reloaded by stack manager, a process crash has occurred, or manually generated by the user during live operation. WS-C3850-24XS-E. we had an alert through for a sustained period of high cpu usage, upon investigation we observed the following. 1. Last thing: move to a newer code. 0 Core 0: CPU utilization for five seconds: 49%; one minute: 76%; five minutes: 75%. The updated graph more accurately displays the true I/O rate of the interface. ICMP is also being returned with spikes up to 1000ms. Stack Manager and High Availability Commands. x. 07-17-2019 12:32 AM. 5E/3. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5715 4011600 27402184 4878 25. 34 23. Apr 04, 2014 Contents Introduction Background Information Case Study: Address Resolution Protocol (ARP) Interrupts Step 1: Identify the Process that Consumes CPU Cycles Step 2: Determine. 00 4. CİSCO 3650 - 3850 HIGH CPU (FED & IOSD). Investigate Why FED is Punting Packets to the Control Plane Case Study 2. Cisco Moderador. 1. The high CPU utilization is caused by constantly recalculating paths. But I canSwitching High CPU troubleshooting on cisco 3850; Options. PDF - Complete Book (9. Symptom: When abruptly reloading (eg: manual power cycle) or adding/removing a switch member from a 3850 stack, other switches in the stack may begin crashing on the FED (forwarding engine driver) due to a timeout on the SPI, which is the internal message-passing system that lets services communicate with one. 42 0 fedHigh CPU Utilization may be seen on some Cisco Catalyst platforms due to IPv6 Multicast traffic with MAC address in the range 3333. 4 cli command "show process cpu detailed process sorted | nvram:. xxxx being punted to CPU. 28 MB) View with Adobe Reader on a variety of devicesOptions. NCM is reporting lower CPU for our 3850 & 3650 switches. 0". I read a lot of threads, but most of them are regarding the fed or stack-mgr. There are two probable causes for high CPU utilization occuring in relation to Simple Network Management Protocol (SNMP): Large route and/or ARP tables being polled by the NMS station. mil1. The show process cpu command is used in order to display the current process state inside of the IOSd daemon. CAt 9300 is the better option and cisco more promoting Cat 9300 rather. event snmp oid 1. 6 28. 9. action 0. Unfortunately, I don't have the necessary tools to read the contents of this file but I suspect the cause of the crash to be CSCvb91970. Below is detailed output from fed and iosd as an example. show platform software fed switch active cpu-interface queue retrieved dropped invalid hol-block-----High rate app 994752082 994752082 0 0. SDP drops causing. 1 syslog msg "high CPU detected" action 0. 33 4. Stack manager is a Linux€process that manages the. 1 Catalyst 3850 Series Switch High CPU Usage Troubleshoot Document ID: Contributed by Aninda Chatterjee and Yogesh Ramdoss, Cisco TAC Engineers. Does anyone know how to fix high CPU utilization caused by SSH on 6509-e? SW-CORE-6509#sh processes cpu sorted | e 0. 5sec 1min 5min Process. 9. 6. 93 0 stack-mgr 5846 3930459 20739688 103 24. 97 26. So, we built the pool according to these guidelines:Email Alerts. OL-32621-01 Caveats. We tried disabling ip dhcp snooping on user VLANs and adding deny all rule for ipv6 but nothing helps. I hope this helps!1 12 WS-C3750G-12S 12. 12. There were heaps of logs like below: 4801: Alternate Pool: None Free: 0 Cause: No Alternate pool. Step 2: Determine the CPU Queue that Causes the High CPU Usage Condition The Cisco Catalyst 3850 Series Switch has a number of queues that cater to different types of. 283 I 574800 3225649 0 4. Current OS version: Gibraltar - 16. you have to execute "show platform QoS queue stats" output to check for drops. 30% 79. 0 Core 0: CPU utilization for five seconds: 45%; one minute: 44%; five minutes: 44% Core 1: CPU utilization for five seconds: 38%; one minute: 44%; five minutes: 45%We have 4 Cisco 3860 (stack) configured as a collapsed core switch (it is Core and Distribution switch). 3. Also, I was reading this about NX-OS : The Cisco NX-OS operating system takes advantage of preemptive CPU multitasking, so processes can take advantage of an idle CPU in order. 0". It is. 39 5. Normal Conditions with High CPU Utilization. A different VLAN-ID can be set in the switch for the AVB VLAN using cli avb vlan <vlan-id>. 3. 3 that is constantly showing high memory utilization. Passaggio 2: Determinare la coda di CPU che causa la condizione di utilizzo elevato della CPU. 0 Core 0: CPU utilization for five seconds: 16%; one minute: 17%; five minutes: 17% Core 1: CPU utilization for five seconds: 96%; one minute: 97%; five minutes: 97% Core 2: CPU utilization for five seconds: 100%; one minute: 99%; five minutes: 74%As you'll notice, the high cpu value on the core doesn't always show up on the same core. Beginner. In Polaris code, use the following: show platform software fed switch x acl counters hardware. fed and stack-mgr causing High CPU on 3850 CSCuo14511 Description Symptom: "show process cpu" reports high CPU utilization due to 'stack-mgr' process (which consumes >75%). I analysis "show proc cpu" result, the root cause of high CPU utilization is "FED" process. x or Later Releases Related Information IntroductionStep 1: Monitor the Used and Committed memory, you have to see an increase on these values, a leak is identified when the memory increases but it doesn't decrease over time, if memory usage get back to normal, then you can discard a memory leak. Book Title. CAT3K_CAA-UNIVERSALK9 BUNDLE. SE. 2. 0 Core 0: CPU utilization for five seconds: 34%; one minute: 35%; five minutes: 41% Core 1: CPU utilization for five seconds:Core 2: CPU utilization for five seconds: 100%; one minute: 99%; five minutes: 99% Core 3: CPU utilization for five seconds: 100%; one minute: 99%; five minutes: 100% PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5635 4023094 34582089 2885 74. event manager applet highcpu. Default queue traffic mapping. Look at the “logfile: Cisco IOS” report prior to a reset is typically a good place to start. - Set Main LED and ports LEDs. " Reference: Catalyst 3850: Troubleshooting Output drops. I performed the platform packet capture and it's indeed a lot of ARP Requests being spammed. I recently upgraded a switch stack from 03. xxxx being punted to CPU. Del comando show process cpu las visualizaciones naturalmente cómo el CPU mira actualmente. -High cpu being caused by looped packet and/or dhcp ack dropping. Step 1. Security and application visibility and control are natively built into the switch. I was struggling with high CPU utilization problems happening on the distribution switch. switch#sh proc cpu detailed process fed sorted | ex 0. Microseconds of CPU time for each. 5b without a noticeable change in CPU levels.