NOTE: The number of TAC Cases associated to this bug has gone so. packets (the FED maintains 32 RX CPU queues, which are queues that go directly to the CPU). 1. Community. Switch_1# sh processes cpu platform sorted location switch 1 R0 | in fman. . E to 16. 0 Core 0: CPU utilization for five seconds: 98%; one minute: 90%; five minutes: 91% Core 1: CPU utilization for five seconds: 89%; one minute: 56%; five minutes: 73% Core 2: CPU utilization for five seconds: 97%; one minute: 97%; five. Core 2: CPU utilization for five seconds: 92%; one minute: 82%; five minutes: 81% Core 3: CPU utilization for five seconds: 99%; one minute: 98%; five minutes: 93% PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5848 1697219 13106202 1620 49. That train is plagued with defects and anomalies. 1. 2 (40)SE C3750-ADVIPSERVICESK. Here is some output: SW58#sh mod. This will be the second beta rebuild on 16. IOSd resides at the control. 07-08-2015 12:38 PM - edited 03-08-2019 12:53 AM. 99 MB) PDF - This Chapter (1. Following the Cisco white paper, it looks to be stemming from ARP Requests. When the CPU is over 80% busy, the script takes these actions: creates a timestamp from the output of show clock, and uses this to create a unique filename; outputs about process and software state are then written. 1. 06% 389 SSH Process. 3850 是现在常用的思科交换机，有时候遇到CPU 使用巨高的情况，严重影响网络使用，那么如何排错呢？下面是官方的推荐操作，大家可以参考参考！ Introduction Background Information Case Study: Address Resolution Protocol (ARP) Interrupts Step 1: Identify the Process that Consumes CPU Cycles Step 2: Determine the CPU Queue that. Current code is 03. Symptoms of high CPU (SR 680000139) have also been seen to trigger this type of issue. It looks like the fed and iosd process is running high. HI everybody. I noticed a lot of these devices are Apple iOS Devices that are spamming it. 7. and activating IPV6 MLD snooping solved . SE , that present problems of increased CPU (until 80%) for no apparent reason. 72 1. Invoked . I don’t think you can read individual core usage at this point, if you use SNMP Object Navigator and drilldown . 2. 21 does not. Security and application visibility and control are natively built into the switch. 2SE is reporting what seems like excessively high rates of CPU utilitization. IPX broadcasts - Check if the router is overwhelmed with IPX broadcasts using the show ipx traffic command. 9 74. 6. Polling certain MIBs. 1. 74 1088 fed. 這些隊列. 3 that is constantly showing high memory utilization. I am monitoring this device's CPU with Prime Infrastructure 3. Buy or Renew. 1. Cisco 3850 CPU usage FED / PDSEvent My Cisco 3850 stack is having some higher than normal CPU usage on the FED process and the PDSEvent Process. Initiating Graceful Switchover. 1 Catalyst 3850 Series Switch High CPU Usage Troubleshoot Document ID: Contributed by Aninda Chatterjee and Yogesh Ramdoss, Cisco TAC Engineers. Either one of the options will not be good because Cisco has been been unable to fix a plethora of memory and CPU issues affecting IOS-XE. 03-31-2016 05:04 PM. If not, reboot the switch and observe. 6 we are facing the high CPU usage. so that you can only see the processes that actually use CPU cycles. E. Étape 3 : Videz le paquet envoyé au processeur. This will generate a list of all ports participating in spanning tree and the. 309 UTC: %ACL_ERRMSG-4-UNLOADED: 1 fed: Input IPv4 L3 ACL on interface Vl108 for label. We were able to do the upgrades with a single reboot. #sh processes cpu detailed process fed sorted 1min | e 0. Stack Manager and High Availability. RSS フィードを購読する. lsmpi_io Pool Total: 6295128 Used: 6294296 Free: 832. 93 0 stack-mgr 5846 3930459 20739688 103 24. r/Cisco. 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. 30% 79. action 0. Chinese; EN US; French; Japanese; Korean; Portuguese; Log InCİSCO 3650 - 3850 HIGH CPU KAAN ÖZDERE 27 Kasım. BOOTLDR: CAT3K_CAA Boot Loader (CAT3K_CAA-HBOOT-M) Version 1. This script monitors a SNMP OID used to read the CPU busy percentage in the last 5 seconds. If you see high CPU utilization during the IPX Input process, verify the following: IPX fast-switching is disabled. However, due to the differences in architecture and forwarding mechanisms between. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. 0 CORE-SW01#show proc cpu detailed process fed | ex 0. 3. SSH process spike occurs majorly if large amount of data being sent on the ssh session. 0 Helpful. The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco. 241. We are facing high cpu utilization issue for Cisco 3850 standalone switch due to "iosd" process. process cpu threshold type total rising 20 interval 5 switch 2 . 04SE. 6. Hello all, we are facing issue of HIGH CPU usage on 3850 switch. Feb 22 07:06:56. C3850#sho processes cpu detailed process fed sorted | ex 0. 3. 12. johnlloyd_13. From what I can see, the 'iosd' and 'fed' processes are high, which usually means high interrupts. . Core 0: CPU utilization for five seconds: 12%; one minute: 13%; five minutes: 17%. This document is for networking professionals who are responsible for the design, implementation, or administration of a network that includes a standalone Cisco Catalyst 3850 Series or a Cisco Catalyst 3850 Series Switch-stack, referred to as. Reboot the switch. Usage Guidelines. 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. But I canSwitching High CPU troubleshooting on cisco 3850; Options. 6. Problem analysis process. 80. 6% of my total CPU power, I. 69 34817 iosd There are several bugs involving high CPUs and "stack-mgr" and "iosd" processes and CSCuo14511 is one of them. The root cause of the issue is with any ICMPv6 or DHCPv6 Solicitation packet and when dhcp snooping is configured on the switch. Command Reference, Cisco IOS XE Gibraltar 16. 0. Problem analysis process. 3. Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12. 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. 2 cli command "enable" action 0. Book Title. There were heaps of logs like below: 4801: Alternate Pool: None Free: 0 Cause: No Alternate pool. Eg: switch# show platform software process list switch active R0 sort memory. 03 cli command "no monitor capture tac_cpu" 관련 정보. 54 has issue while . 72 1. This switch member has crashed TWICE in the same month. Check that the CPU utilization is not too high. 33 4. 3. 4. egtc-dsw-c4k# show processes cpu sorted. 12. 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. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. 01-09-2020 07:33 AM. 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 |. x (Catalyst 3850 Switches) Configuring Optional Spanning-Tree Features Monitoring the Spanning-Tree Status. According to Cisco 3. A vulnerability in the IP Version 4 (IPv4) processing code of Cisco IOS XE Software running on Cisco Catalyst 3850 and Cisco Catalyst 3650 Series Switches could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS). IOS is 16. SDP drops causing. Core 3: CPU utilization for five seconds: 30%, one minute: 39%, five minutes: 36%. Cisco 내부 정보 SR 680000139(High CPU)의 증상도 이러한 유형의 문제를 유발하는 것으로 나타났습니다. 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%;. 04 6. 7. If you have a 3850 stack then use the following command where the number signifies the stack member where the uplink resides: Prompt-3850#show platform acl counters hardware switch 1 | inc SGACL. 2. Cisco IOS-XE 16 — 概览; 排除 Catalyst 3850 系列交换机高 CPU 使用率问题; Cisco IOS®和IOS®-XE的嵌入式 数 据包捕获配置示例; 在运行IOS-XE 16. 3. 9. IP 10. 6. x (Catalyst 3850 Switches) Chapter Title. action 3. 12. Current state of the process. show processes cpu | ex 0. See full list on cisco. 109. how i can minimze the CPU Utilziation for this process. 4, targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. 7, rebooting itself several times and sending this logs: %IOSXE-4-PLATFORM: Switch 1 R0/0: kernel: EDAC MC0: 1 CE DIMM 0 rank 0 bank 7 row 56455 col 7348 on any memory ( page:0x0 offset:0x0 grain:0 syndrome:0x0) A. Type escape sequence to abort. 50 69. I canget a # enable prompt but after 15-20seconds this is what occurs: Mar 31 17:58:42. 95% 78. Additionally, the. 本文档说明 Cisco Catalyst 3750 系列交换机上的 CPU 使用率过高的原因。与 Cisco 路由器类似，交换机使用 show processes cpu 命令来显示 CPU 使用率以识别 CPU 使用率过高的原因。但是，由于 Cisco 路由器和交换机之间在体系结构和转发机制上存在差异，show processes cpu 命令的标准输出有很大的不同。process cpu threshold type total rising 20 interval 5 switch 1. 7 or Earlier Might Crash Unexpectedly - Software Upgrade. 78 9. 6. *SYS-1-CPURISINGTHRESHOLD. We have now found out that switch one of the two, is running constantly on 99% usage for core 4. x (Catalyst 3850 Switches). C3850# show processes cpu detailed process fed sorted | ex 0. This is commonly seen when the CPU is interrupted due to ARP packets. 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. 5. Buy or Renew. 6. 1 get-type exact entry-op ge entry-val 50 poll-interval 0. 03. 0E IOS, and they are experiencing high CPU peak. 05-19-2008 04:03 PM. 00 4. 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. Buy or Renew. 01 26. Command Reference, Cisco IOS XE Fuji 16. Note: Running a debug over a production network may overwhelm the router. " Reference: Catalyst 3850: Troubleshooting Output drops. €. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5715 4011600 27402184 4878 25. 9. 242 808819595 3949538 204800 65. 10187 2009764 10763907 145 1. 发出 show processes cpu 命令可显示有关这些进程的详细 CPU 使用率统计信息，发出 show processes memory 命令可显示使用的内存量。. Here is some output: SW58#sh mod. We have two 24 port 3850 switches stacked. [6] The switch ships with one power supply by default, and the second power supply can be purchased at the time of ordering the switch or at a later time. 06. Now CPU processing of the stack is very high and it causes the packet loss. show processes cpu | ex 0. Schritt 2: Bestimmen der CPU-Warteschlange, die die hohe CPU-Auslastung verursacht. Core 1: CPU utilization for five seconds: 34%; one minute: 14%; five minutes: 13%. What is VMATM?4) Prior to CSCuu14019, interfaces won't display "output drop" counters. A value for exit-val ensures that the script does not run in an endless loop. Happy to hear it's been identified. The Cisco Catalyst 3850 Series Switch has a number of queues that cater to di erent types of. 42 1088 fed 6258 3292482 92102444 4593 23. Since you have tried all the option we have now the last resort is Open a TAC case with bug id, so they can able to suggest to best. Symptom: A Catalyst 9200 switch may crash when executing "show platform hardware fed switch active fwd-asic resource tcam utilization 1". 0 Helpful. Unicast mac addresses: 6364/6364 1056/1056Etapa 1: Identificar o processo que consome ciclos da CPU. Decoding and displaying packets may be CPU intensive; Because packet forwarding typically occurs in hardware, packets are not copied to the CPU for software processing. Cisco IOS XE 3. 0 Core 0: CPU utilization for five seconds: 22%; one minute: 21%; five minutes: 23% Core 1: CPU utilization for five seconds: 9%; one minute: 11%; five minutes: 16% Core 2: CPU utilization for five. Stack Manager and High Availability Commands;. type . 步骤 2：确定导致高CPU使用方法情况的CPU队列 Cisco Catalyst 3850 Series Switch有迎合不同种类的信息包的一定数量的队列(联邦机关维护32个RX CPU队列，是队列去直接地CPU)。监控这些队列为了发现是重要的哪些信息包被踢对CPU，并且哪些由IOSd处理。12-16-2014 01:13 AM - edited 03-07-2019 09:54 PM. Use show process cpu , to determine which process causes this issue. Unless otherwise noted, the terms switch and device refer to a standalone switch and to a switch stack. 簡介 背景資訊 案例研究：地址解析協定 (ARP)中斷 第1步：確定消耗CPU週期的進程 第2步：確定導致CPU使用率過高的CPU隊列 第3步：轉儲傳送到CPU的資料包 第4步：使. CSCtn42790 : 3560X/3750X: Elevated. Stack Manager and High Availability Configuration Guide, Cisco IOS XE Fuji 16. This is usually triggered by an event that activated the process. 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. 10-08-2013 09:30 AM - edited 03-07-2019 03:54 PM. Here is the part of the "show process cpu sorted". txt" action 0. 6. 8. Cisco shows fed (PunjectRx and Xcvr) process is mostly consuming. 手順4:FEDトレースの使用. Hello don't know why stacked 3850 have trouble with high cpu Core 0: CPU utilization for five seconds: 53%; one minute: 44%; five minutes: 44% Core 1: CPU utilization for five seconds: 45%; one minute: 46%; five minutes: 46% Core 2: CPU utilization Good Morning All, Am currently looking into high cpu figures on one of our 3850 switches the model is WS-C3850-24P running 03. Release Notes for Cisco Catalyst 3850 Series Switches, Cisco IOS XE Everest 16. we are facing issue of HIGH CPU usage on 3850 switch. Since two weeks the core switch has an utilization of 100% (every ten minutes). Cisco3925ルータ、Catalyst3750X, Catalyst 3850などで構成したシステムを運用しています。. 1. 18694 17000. Look at the “logfile: Cisco IOS” report prior to a reset is typically a good place to start. 3 has a possible issue with the FED (Forward Engine Driver) which can take cpu 0 to 100%, while it should not affect network performance. Note: It is necessary to define 'exit-val. 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. Use this handle in the show pds client <handle> packet last sink command. Chinese; EN US; French; Japanese;. 96 29. Suggesting to upgrade to 03. This script monitors a SNMP OID used to read the CPU busy percentage in the last 5 seconds. 0(2a)EX5 with the CPU processes to follow:. El switch Catalyst de Cisco serie 3850 tiene varias colas que atienden a diferentes tipos de paquetes (la FED mantiene 32 colas de CPU RX, que son colas que van directamente a la CPU). 6. Note: Only registered Cisco users have access to internal Cisco information and tools. System memory: 3980144K total, 3493056K used, 487088K free, Lowest: 487088K. 12. 99 MB). Please see details below. X then this is due to a well-known bug: CSCuo14511. 7. I have 3 of the 9 standalone switches still reporting high cpu and I am receiving alerts from Cisco Prime. Uptime for this control processor is 14 weeks, 23 hours, 31 minutes. Step 1: Identify the Process that Consumes CPU Cycles. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption. Here is the part of the "show process cpu sorted". CAM Utilization for ASIC# 0 Max Used. 00% 0. ' As the script collects data, it increases CPU utilization. I am NEw here and i Need some help I have a Catalyst 3850 WS- C3850-48T / 03. Note que las Cisco Catalyst 3850 Series conmutan las aplicaciones cuatro memorias, y usted ven el USO de la CPU enumerado para las cuatro memorias: 3850-2#show processes cpu sort | exclude 0. High CPU utilization due to spanning tree means that your network is unstable and is constantly re-converging. Please let me for what purpose this process is used and is there. 0 cli command "show processes cpu detailed process fed sort | append flash:HG-CPUlog. 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. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5715 4011600 27402184 4878 25. Core 0: CPU utilization for five seconds: 99%; one minute: 98%; five minutes: 98%. 6. Stack Manager and High Availability. ICMP is also being returned with spikes up to 1000ms. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. 20, RELEASE SOFTWARE (P) 3850_SW uptime is 14 weeks, 23 hours, 27 minutes. 39 0 pdsd 8581 3259771 25430981 187 2. 71. . 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. 0 cli show clock >> bootflash:high-cpu. 2 (40)SE C3750-ADVIPSERVICESK. Options. Passaggio 2: Determinare la coda di CPU che causa la condizione di utilizzo elevato della CPU. Be prepared to upgrade to a later (and newer) release of 16. I have certain IPs that can acces all networks locally but cannot access anything on remote networks. Investigate Why FED is Punting Packets to the. 93% 17. ' As the script collects data, it increases CPU utilization. These IPs seem to have no relation to each other. This will be the second beta rebuild on 16. E cat3k_caa-universalk9 INSTALL. x (Catalyst 3850 Switches) Chapter Title. Mostly, if you set up the SNMP correctly the IOS will "SLOWLY" release the CPU/Memory. 35 49. Mark as New; Bookmark; Subscribe; Mute;. Download Download Options. Core 1: CPU utilization for five seconds: 29%; one minute: 63%; five minutes: 58%El switch Catalyst de Cisco serie 3850 tiene varias colas que atienden a diferentes tipos de paquetes (la FED mantiene 32 colas de CPU RX, que son colas que van directamente a la CPU). Download and copy the IOS version file to a USB flash drive, and connect it to the USB port of the C3850 switch. I was looking at a show proc CPU history on a 3850 (IOS-XE) switch and I see short CPU spikes. High CPU Usage Caused by Process or TrafficTraditionally, most of smaller Cisco switches (3750, 3850, 2960, etc. Good candidates. 通常，CPU 使用率较高是由安全问题（例如网络中运行的蠕虫或病毒）引起的。. 9. 10#sh proc cpu so. IPv6SnoopingCommand (StartingfromCiscoIOSXEDenali16. Stack Manager and High Availability Commands. This release note gives an overview of the features for the Cisco IOS XE Denali 16. 33 4. Cisco Catalyst 3850 Series Switches Support Cases:363 Known Affected Releases: (1) 15. When you get the new switch, make sure to monitor the CPU and memory for a few weeks to make they are working as. 03. We are looking for early feedback from customers before 16. The CPU on the Cisco StackWise Virtual active switch performs all. In IOS command: 3750E#show proc cpu. cisco 3650 CPU占用高 查看解答. PUNT PATH (fed_punject_rx_process_packet:830):RX: Q: 20, Tag: 65542 указывает, что мы. Please see bug details. Notice that you must enable debug pds pktbuf-last before you use the command. Troubleshoot High CPU Usage in Catalyst Switch Platforms Running IOS-XE 16. We have a high CPU utilization for the past one week and I am trying to find the reason. 0 Core 0: CPU utilization for five. Normal Conditions with High CPU Utilization. 9 show processes cpu platform sorted CPU utilization for five seconds: 64%, one minute: 62%, five minutes: 63%. #sh proc cpu sort | e 0. 1: How can we detect high CPU since we cant read it with snmp 2: Why does cisco not sending the cpu value in snmp ? (disable ipv6 as mentioned isnt working, disable dhcp snooping is)Please inform me on how to prevent high cpu ulization on a cisco device. This command initiates a graceful switchover from the active to the standby switch. you have to execute "show platform QoS queue stats" output to check for drops. Does anyone know how to fix high CPU utilization caused by SSH on 6509-e? SW-CORE-6509#sh processes cpu sorted | e 0. 4 software release is posted on CCO for General Availability (GA). 2 27. Hi all I have a issue when configure on Cisco 3850 In 3850, I created 6 SVI to routing on local and I apply ACL for 5 SVI as bellow: ACL 100 have 155 rules ACL 150 have 259 rules ACL 107 have 188 rules ACL 111 have 155 rules ACL 112 have 290 rules. 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. 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. I found the following documention mention how. CatOS-Issue the show proc cpu command to display CPU utilization information. To perform a manual switchover and to use the high availability feature enabled in the switch, execute the redundancy force-switchover command. 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. The memory utilization for switch 2 is abnormally high (ideally <50%). Like. 3 or Earlier Address Resolution Protocol Interrupts. 49% 77. 252572 2730335 0 0. Beginner. CPU usage due to Hulc LED process. CSCuq48800. There is preloading and installation that can be done during production time. ST3-Stack1-3850#sho proc cpu sort | e 0. action 3. 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. CSCsi78581 Hulc LED Process uses 10-15% CPU on Catalyst 3750/3560. Cisco StackWise Virtual is supported only on the following Cisco Catalyst 3850 Series Switch models. Core 1: CPU utilization for five seconds: 44%; one minute: 49%; five minutes: 54%Because debugging output is assigned high priority in the CPU process, it can render the system unusable. xreleases). Use the console to connect to the. 03. Dieses Tool ist beispielsweise hilfreich, um Datenverkehr zu identifizieren, der die. Page of 54 Go 39. 1-If we stop polling or disable all the traps,will the SNMP enginer process will release the memory its holding currently. 42 1088 fed 6258 3292482 92102444 4593 23. So here are the following options: Raise a TAC Case and let them pinpoint the cause of the memory leak. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. action 3. 6. . event manager applet highcpu. The fix was given based on trace decode. In Polaris code, use the following: show platform software fed switch x acl counters hardware. 01 49. 0". 65% 61. 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. 03 cli command "no monitor capture tac_cpu" 相关信息. By default, priority and control traffic are separated into Q0 however Q0 is not set as priority queue. 36% OOBnd RX = 16. Traffic across the switch is stable at this time but we are concerned about this issue. Looking at the memory stats below I can't seem to figure out what is taking up all the memory, I know there is a Field Notice: FN - 70359 and 70416 that deal with high memory utilization on IOS versions, 16. 12. The show process cpu command naturally displays how the CPU currently looks. Cisco 버그 ID CSCup49704 - 3850 FED 충돌. x or Later Releases Related Information IntroductionTroubleshooting high cpu en 4500, 6500, 7600 y 3850 - Pregunte al Experto Ir a solución. Second thing Please find way to troubleshoot high cpu on 3850:. Hello Leo, I thought so at first, but this is not the case since before the installation of the 3850 there was a 3750X that has been running for the last 3 years and there have never been problems with the cabling. Core 0: CPU utilization for five seconds: 38%; one minute: 37%; five minutes: 29%. 10. Cisco IOS uses multiple techniques for L3 routing a packet in software: (1) process switching (2) fast switching and (3) CEF switching. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. 109. 506 Central: %IOSXE-5-PLATFORM: 2 process fed: Logging is not supported for Client/Group ACL Feb 22 07:06:56. 4E or Earlier Might Exhibit High CPU Usage - Workaround Provided Field Notice: FN - 70455 - Some Catalyst Switches That Run on Polaris Releases 16. ARP Requests from Apple Devices High CPU.