73 26. 4, then you're probably hitting this bug CSCuz57493 - High CPU observed in punjectrx fed-ots-main thread. Stack Manager and High Availability. 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%;. 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. 3850-48-01#show processes memory. 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. If you're having constant high cpu on 3. We have two 24 port 3850 switches stacked. 26 50. x and 16. 03 cli command "no monitor capture tac_cpu" 관련 정보. 07. 36% OOBnd RX = 16. event manager applet highcpu. 3. 28 MB) View with Adobe Reader on a variety of devicesOptions. 0 info type routername action 2. Mostly, if you set up the SNMP correctly the IOS will "SLOWLY" release the CPU/Memory. 03. このドキュメントでは、16. 42 1088 fed 6258 3292482 92102444 4593 23. Ingress protocol control packet which intercepted by DP sent to the CP to process it. High CPU observed in punjectrx fed-ots-main thread. As the process is using 18. 39 0 pdsd 8581 3259771 25430981 187 2. Download. 0 Core 0: CPU utilization for five seconds: 74%; one minute: 76%; five minutes: 75% Core 1: CPU utilization for five seconds: 100%; one minute: 71%; five minutes: 73% Core 2: CPU utiliza. Cisco Catalyst 3850系列交換器具有許多佇列，可滿足不同型別的封包（FED維護32個RX CPU佇列，這些佇列是直接前往CPU的佇列）。. 65% 0 SNMP ENGINEOptions. 0 Helpful. We have one Catalyat 3850 switch with High CPU utilization. . 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. 5E/3. 27777 26990 0% 0% 0% S 314179584 fman_rp. Schritt 4: Verwenden der FED-Ablaufverfolgung. The show processes cpu history command displays in ASCII graphical form the total CPU usage on the router over a period of time: one minute, one hour, and 72 hours, displayed in increments of one second, one minute, and one hour, respectively. This script monitors a SNMP OID used to read the CPU busy percentage in the last 5 seconds. #show process cpu detail process fed sorted Core 0: CPU utilization for five seconds: 67%; one minute. Community. 0 Helpful. Thanks, Tom . 1900 <-- Your system MAC address. the 'iosd' and 'fed' processes are high, which usually means high interrupts. 2. 6. Linux will schedule a process (remember IOSd is a single process from the Linux perspective) on a CPU core based on a number of different factors, including utilization of the other cores at any given time. The memory utilization for switch 2 is abnormally high (ideally <50%). Invoked . 33% 0 SNMP ENGINEI have VSS running on 2 cisco WS-C4506-E. Conditions:. Tracing. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. 00 CPU utilization for. If the command syntax check in the running configuration of the active switch fails while the standby switch is booting, use the redundancy config-sync mismatched-commands command to display the Mismatched Command List (MCL) on the active switch and to reboot the standby switch. I have 3 of the 9 standalone switches still reporting high cpu and I am receiving alerts from Cisco Prime. 5, however the cpu will reach to 100% occasionally I have configured the event already, event manager applet highcpu event syslog pattern ". 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. The CPU on the Cisco StackWise Virtual active switch performs all. 6. How do I check CPU usage on Cisco firewall? Output of show. fed —The Forwarding Engine Driver process. 79% Replenish OOB = 16. 00 4. Enable the AVB feature and its corresponding VLAN: Cat3850# configure terminal Cat3850 (config)# avb Cat3850 (config)# vlan 2 Cat3850 (config)# end. CPU usage due to Hulc LED process. x (Catalyst 3850 Switches) Configuring Optional Spanning-Tree Features Monitoring the Spanning-Tree Status. The issue is that the CPU seems to only get to 99% when you get months into the reboot/reload, so it's hard to troubleshoot then and there. What is that PunjectRx process that's responsible for the higher than normal value do? Core 0: CPU utilization for five seconds: 20%; one minute: 27%; five minutes: 30%. 1 syslog msg "high CPU detected" action 0. In the results of the show pds tag all command, notice a handle, 7296672, is reported next to the Punt Rx Proto Snoop. If you reboot the switch before. 9 show processes cpu platform sorted CPU utilization for five seconds: 64%, one minute: 62%, five minutes: 63%. We are looking for early feedback from customers before 16. 3. I performed the platform packet capture and it's indeed a lot of ARP Requests being spammed. 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. Beginner Options. Stack Manager and High Availability Configuration Guide, Cisco IOS XE Fuji 16. Étape 4 : Utiliser le suivi FED. 例: Cat9300#show platform software fed active punt cpuq all Punt CPU Q Statistics ===== CPU Q Id : 0 CPU Q Name. 3. Everything else is not even at 1%. This is causing processes like SNMP and SSH to freeze up and not work properly. We are running software version: cat3k_caa-universalk9, version 03. This release note gives an overview of the features for the Cisco IOS XE Denali 16. primarily due to interrupts, on the new Cisco IOS®-XE platform. 03. Since two weeks the core switch has an utilization of 100% (every ten minutes). OL-32621-01 Caveats. 79% Replenish OOB = 16. - The CPU load has been increased in big steps of about 20% in about two months. We have a high CPU utilization for the past one week and I am trying to find the reason. Options. Problem analysis process. Now CPU processing of the stack is very high and it causes the packet loss. 04. Sw Ver. Check if somebody is logged into and executing commands through an SSH session. 03-31-2016 05:04 PM. To perform a manual switchover and to use the high availability feature enabled in the switch, execute the redundancy force-switchover command. Stack Manager and High Availability. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed;. Mark as New; Bookmark; Subscribe; Mute;. 39 MB) View with Adobe Reader on a variety of devices. Supposedly I should have been a flood of multicast . WS-C3850-24XS-E. 35 49. 9. Following the Cisco white paper, it looks to be stemming from ARP Requests. n164-3850-DHS-SP-1stFL-1#show process cpu detailed process iosd sort | exclude 0. 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. This will be the second beta rebuild on 16. Note: Standard VLAN-ID used by AVB is VLAN 2. I have found that the delay is so high when I telnet 10. 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. Hi, I have 3650switch running 3. Please find attachement. The output (Cisco IOSd® CPU output) shows that ARP Snoop, IP Host Track Process, and ARP Input are high. le compartimos algunos links que le ayudarán a familiarizarse con la Comunidad. Étape 2 : Déterminez la file d'attente du processeur qui entraîne la condition d'utilisation élevée du processeur. 4, targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. I notice that the FED on one of my cisco 3850's is putting this traffic to the CP. 01 26. NCM is reporting lower CPU for our 3850 & 3650 switches. action 3. 18694 17000. Core 3: CPU utilization for five seconds: 30%, one minute: 39%, five minutes: 36%. We are running OSPF and L2 MST. Usage Guidelines. Hi all, I have a stack of 4 Catalyst 3850-24X working as a distribution switch, lying in between a Nexus 7K core switch and 34 C3850 access switches/stacks. Cisco Catalyst 3850 Series Switches - Some links below may open a new browser window to display the document you selected. Normal Conditions with High CPU Utilization. Core 1: CPU utilization for. 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. Current state of the process. 20, RELEASE SOFTWARE (P) 3850_SW uptime is 14 weeks, 23 hours, 27 minutes. 69 34817 iosd There are several bugs involving high CPUs and "stack-mgr" and "iosd" processes and CSCuo14511 is one of them. To find CPU usage due to the subprocesses and tasks operating under a specific process, use the show process cpu detailed command. Cisco Catalyst 3850 Series Switches also support full IEEE 802. Following the Cisco white paper, it looks to be stemming from ARP Requests. How do I see CPU usage on a Cisco switch? Use the show process cpu command to display CPU and core processor usage. Now CPU processing of the stack is very high and it causes the packet loss. Field Notice: FN - 64191 - Catalyst 3850/3650 Switches That Run Cisco IOS XE Releases 3. Traffic across the switch is stable at this time but we are concerned about this issue. 00 Core 0: CPU utilization for five seconds: 94%; one minute: 92%; five minutes: 90% 概要. xxxx. Symptom: Hulc LED Process uses 15-30% CPU on Catalyst 3560X/3750X platforms. Dieses Tool ist beispielsweise hilfreich, um Datenverkehr zu identifizieren, der die. If the option is #2, it would be highly recommendable if the switch can be COLD reboot. 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). 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. uSecs . Image 13 shows the updated I/O graph for an interface that experienced output drops. This is the output from the command show processes cpu sorted. action 3. 0E IOS, and they are experiencing high CPU peak. SE , that present problems of increased CPU (until 80%) for no apparent reason. 4 cli command "show process cpu detailed process sorted | nvram:. 03. 7. ) run high on CPU and there is really not much you can do about it except upgrading to a different version, and that sometimes help but not always. 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. PDF - Complete Book (9. core". 5 Helpful. One or more Cisco IOS process is consuming too much CPU time. 6. Eg. com Catalyst C3850 and Catalyst C3650 switches might report unexpected high CPU usage despite any changes made to the configuration or network traffic inbound or outbound to the switch. I noticed that sh run, wr and some other sh commands are taking forever to execute. Core 0: CPU utilization for five seconds: 1%; one minute: 4%; five minutes: 23%. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. Core 1: CPU utilization for five seconds: 99%; one minute: 98%; five minutes: 98%Third, upgrading procedures and process. CAT3K_CAA-UNIVERSALK9 BUNDLE. 7. 3SE, support was added for the Cisco Catalyst 3650 Series Switches and Cisco Catalyst 3850 Series Switches. 62 34816 iosd . x 07/Jul/2016. We are looking for early feedback from customers before 16. High CPU的问题一般分进程高和中断高两种。中断高常由于实时的流量造成，要根据网络的实际情况具体分析，原因有很多种。进程高，不同的进程也有不同的root cause。 在比较常见的几种占用CPU资源进程中，有一种叫 IP Input。 07-17-2019 12:32 AM. * 2 52 WS-C3750G-48PS 12. xE. Cisco IOS-XE 16 - 요약; Catalyst 3850 시리즈 스위치 높은 CPU 사용량 문제 해결; Cisco IOS ® 및 IOS ®-XE를 위한 임베디드 패킷 캡처 컨피그레이션 예; IOS-XE 16. Good candidates. Traffic that exceeds the default 600 packet per second rate in the CoPP policy is dropped before it reaches the CPU. Étape 3 : Videz le paquet envoyé au processeur. 9. 3. WS-C3850-12XS-S. Use this handle in the show pds client <handle> packet last sink command. - Check the status of the transceiver. 4 software release is posted on CCO for General Availability (GA). 71 29. ePub - Complete Book (2. 1 however the rest of the 3850 seems to be OK except this naught one. Stack Manager and High Availability Commands;. Here is some output: SW58#sh mod. Fed punjectRx The above two processes are consuming the major portion of the cpu. I upgraded the firmware from 16. 6. . 00SE. 7andalllaterCiscoIOS XE16. 0 CORE-SW01#show proc cpu detailed process fed | ex 0. Otherwise consider looking at the Cisco 4000 series. Engager Options. Below is detailed output from fed and iosd as an example. NCM is reporting lower CPU for our 3850 & 3650 switches. 2. Contacts; Feedback; Help; Site Map; Terms & Conditions; Privacy Statement; Cookie Policy; TrademarksContacts; Feedback; Help; Site Map; Terms & Conditions; Privacy Statement; Cookie Policy; TrademarksMonitor High CPU via SNMP OID. HI everybody. I saw that there were similar issues with Cisco ASR devices and a customer poller was created. Use the show ipx interface command if IPX fast-switching is disabled. Peaks are cyclic and take place one a minute during 15 seconds more or less, I have checked processes: 111111111111111 6666600000000000000066666 2111113333366. Core 2: CPU utilization for five seconds: 7%; one minute: 6%; five minutes: 6% Core 3: CPU utilization for five seconds: 94%; one minute: 94%; five minutes: 60%. Monitoring tool shows Memory 1 is running with 90% (above threshold limit) and other memory is fine. 有关详细信息，请参阅 排除CPU使用率. The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco. NOTE: The number of TAC Cases associated to this bug has gone so. In our SDA network I've noticed that the External Border Routers (EBN) and Fusion Routers (FR) are reporting high IOSXE-RP Punt Se. 0". x software on the Cisco Catalyst 3850 Series Switches. We have two 24 port 3850 switches stacked. 3. 02. Stack Manager and High Availability. . 03 cli command "no monitor capture tac_cpu" 相关信息. According to Cisco 3. x. 1. It looks like the fed and iosd process is running high. show proc cpu detailed process fed | ex 0. #sh proc cpu sort | e 0. 要验证设备的CPU或内存使用率级别是否指示可能存在问题，请使用输出解释程序工具。. 0 Core 0: CPU utilization for five seconds: 45%; one minute: 44%; five minutes: 44%. 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。. 33%. . 4800: Pool: Processor Free: 1598872 Cause: Memory fragmentation. 283 I 574800 3225649 0 4. 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). 06E (Version 03. 5 cli command "show platform punt statistics port-asic 0 cpuq -1 direction rx | append nvram:. WhenOnly TAC will know how to decipher what is causing the process "linux_iosd-imag" to be chomping up so much memory. Download and copy the IOS version file to a USB flash drive, and connect it to the USB port of the C3850 switch. 78 25. 5sec 1min 5min Process. " Reference: Catalyst 3850: Troubleshooting Output drops. we had an alert through for a sustained period of high cpu usage, upon investigation we observed the following. I analysis "show proc cpu" result, the root cause of high CPU utilization is "FED" process. 80. Core 0: CPU utilization for five seconds: 96%; one minute: 96%; five minutes: 96%. The following is a log entry example for. 6. 我是通过ping 3850设备发现延迟发现这个问题的（延迟为1至20ms不等），通常设备针对ping的流量优先级最低，如果设备CPU繁忙则会出现ping高延迟的问题。. 10-11-2017 08:11 AM. When cpu was running high, we noticed. #show process cpu detail process fed sorted Core 0: CPU utilization for five seconds: 67%; one minute: 61%; five minutes: 63% Core 1: CPU utilization for five seconds: 90%; one minute: 63%; five minutes: 68% Core 2: CPU utilization for five seconds: 44%; one minute: 77%; five minutes: 74% Core 3: CPU utilization for five seconds: 99%; one. x software on the Cisco Catalyst 3850 Series Switches. CPU utilization for five seconds: 56%, one minute: 57%, five minutes: 58%. 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. 16. 241. 0(1)EZThrough our monitoring system we saw an peak in the CPU usage on one of our C3850 switch stacks. - Set Main LED and ports LEDs. 6. 0 cli show clock >> bootflash:high-cpu. 96 29. WS-C3850-24XS-S. Security and application visibility and control are natively built into the switch. x (Catalyst 3850 Switches) Chapter Title. Enterprise Switching Business Unit is happy to announce availability of Beta release of 16. 4E or Earlier Might Exhibit High CPU Usage FN - 70110 - Memory Leak Issue on C3850/C3650 Switches That Run Polaris Software Version 16. NOTE: Stack in Bundle Mode. 0 Core 0: CPU utilization for five seconds: 34%; one minute: 35%; five minutes: 41% Core 1: CPU utilization for five seconds: 79%; one minute: 81%; five minutes: 62% Core 2: CPU. We have begun using the new generation of 3850 switches, specifically WS-C3850-24P-P switches. SE. system crash on execute "fed TCAM utilization". x but I'm using version 16. 3. It is important to monitor these queues in order to discover which. We have now found out that switch one of the two, is running constantly on 99% usage for core 4. We are facing high cpu utilization issue for Cisco 3850 standalone switch due to "iosd" process. Esempio di script EEM (Embedded Event Manager) per gli switch Cisco Catalyst serie 3850. 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. 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. Hope that helps. Release Notes for Cisco Catalyst 3850 Series Switches, Cisco IOS XE Denali 16. 6. Mark as New; Bookmark; Subscribe;. 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。. From what I can see, the 'iosd' and 'fed' processes are high, which usually means high interrupts. Step 1. 00 Core 0: CPU utilization for five seconds:. Note: It is necessary to define 'exit-val. I have been investigating some high CPU usage on our 3850s. Now CPU processing of the stack is very high and it causes the packet loss. 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. Cisco IOS Software refers to the single bundled Cisco IOS image for both the Supervisor Engine and Multilayer Switch Feature Card (MSFC) module. show platform software fed switch active punt cpuq al. Switch# show processes cpu sorted. ARP Requests from Apple Devices High CPU. High CPU due “Hulc LED” process is an expected behavior. 1. *SYS-1-CPURISINGTHRESHOLD. Issue is happening only on working hours, so likely that connected to user activity. Uptime for this control processor is 14 weeks, 23 hours, 31 minutes. C3850#sho processes cpu detailed process fed sorted | ex 0. this switch reloaded unexpectedly and below is the reason showing. PT-3850#show proc cpu sortedThe stack has been up for 1 Year and 16 weeks. So, most likely a hardware issue. This is commonly seen when the CPU is interrupted due to ARP packets. Although the RSPAN VLAN does not learn any MAC addresses, a copy of the packet with unknown source MAC is still sent to and dropped at the CPU. Step 1: Identify the Process that Consumes CPU Cycles. High CPU Utilization may be seen on some Cisco Catalyst platforms due to IPv6 Multicast traffic with MAC address in the range 3333. I have certain IPs that can acces all networks locally but cannot access anything on remote networks. I checked our monitoring software (Orion) after the install, and found that CPU #3 was still at 99%. FED Punject TX complete; show process cpu detailed <process> 명령을 사용하여 이 프로세스를 자세히 들여다볼 수 있습니다. _MX# sh processes cpu detailed process fed sorted Core 0: CPU utilization for five seconds: 6%; one minute: 5%; five minutes: 5%. Problem analysis process. Current state of the process. 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. The other cpu core are fine at below 20% utilization. 07 26. By default, priority and control traffic are separated into Q0 however Q0 is not set as priority queue. A value for exit-val ensures that the script does not run in an endless loop. Output from top. 4799: Memory allocation of 3380 bytes failed from 0xAAB9E1E5A0, alignment 8. X的Catalyst交换机上配置Punt/Inject FED数据包捕获 ; 技术支持和文档 - Cisco Systems wrote: PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5881 3303778 46124849 472 49. Type of process; can be either IOS or POSIX. 8. For example, sometimes you can have a 3750 CPU problem caused by using the "wrong" SDM template. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 6032 889844 24282930 618 25. Stack Manager and High Availability Configuration Guide, Cisco IOS XE Gibraltar 16. 6. 6. 0. 4. 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. 03. Switch firmware is 16. 08-14-2013 04:13 AM. 33 26. 03-10-2009 09:24 PM. 06. x (Catalyst 3850 Switches). Stack Manager and High Availability Commands. show proc cpu | exclude 0. Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12. 91% 84. Contacts; Feedback; Help; Site Map; Terms & Conditions; Privacy Statement; Cookie Policy; TrademarksHow to configure AVB. xreleases). 00 4. 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. Our 3850 stack is experiencing spikes on the CPU due to the eicored 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 Causes the High. Cisco StackWise Virtual is supported only on the following Cisco Catalyst 3850 Series Switch models. txt action 4. LegacyIPDeviceTracking(IPDT) ipv6 neighbor tracking auto-source[fallback host-ip-address subnet-mask][override] ip device tracking probe auto-sourceThe reason for reported high CPU usage when the device performs normally with normal, low, or no load is due to a change in the formula used in order to calculate usage. [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. Cisco Moderador. EEM-Beispielskript (Embedded Event Manager) für Cisco Catalyst Switches der Serie 3850. Symptoms of high CPU (SR 680000139) have also been seen to trigger this type of issue. packets (the FED maintains 32 RX CPU queues, which are queues that go directly to the CPU). 3. MAC address Hw Ver. I was struggling with high CPU utilization problems happening on the distribution switch. Any recommendation for new stable IOS please. So here are the following options: Raise a TAC Case and let them pinpoint the cause of the memory leak. When booting from usbflash0: the bootup completes and seems to work. Second thing Please find way to troubleshoot high cpu on 3850:. 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%Étape 1 : Identifiez le processus qui consomme des cycles CPU. Available Languages. On Catalyst 3850/3650 switches, input PACL and output PACL Access Control Entities (ACEs) are installed in two separate regions/banks. If only one power supply is installed, it should always be in power supply bay 1. 12. A value for exit-val ensures that the script does not run in an endless loop.