0E IOS, and they are experiencing high CPU peak. Solved: Hi All, We experience high CPU usage on Stack 3850 switches and currently running WS-C3850-48P 03. 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. System memory: 3980144K total, 3493056K used, 487088K free, Lowest: 487088K. Output from top. Step 3: Dump the Packet Sent to the CPU. 0 Core 0: CPU utilization for five seconds: 49%; one minute: 76%; five minutes: 75%. 如果最近没有对网络进行任何更改，则安全问题尤其. CPU utilization of the process in minutes and seconds. Number of times that the process has been invoked. 04. 9. 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. 07 26. 00 Core 0: CPU utilization for five seconds: 4%; one minute: 5%; five minutes: 5% Core 1: CPU utilization for five seconds: 2%; one minute: 1%; five minutes: 1%If a Cisco device is suffering from high CPU usage, we can use the show processes command to list all running processes and determine the cause of problem. 03. Cisco 내부 정보 SR 680000139(High CPU)의 증상도 이러한 유형의 문제를 유발하는 것으로 나타났습니다. 5, however the cpu will reach to 100% occasionally I have configured the event already, event manager applet highcpu event syslog pattern ". If you're having constant high cpu on 3. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5715 4011600 27402184 4878 25. Step 1: Identify the Process that Consumes CPU Cycles. - The CPU load has been increased in big steps of about 20% in about two months. I noticed a lot of these devices are Apple iOS Devices that are spamming it. But at the same time other switches' delay is normal except 10. 00 4. 2. 5E/3. 4, targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. and activating IPV6 MLD snooping solved . 6. 36% OOBnd RX = 16. SE. 6. 2 process that seems to be the culprit. 00 . 10187 2009764 10763907 145 1. Known Affected Release. 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. xxxx being punted to CPU. 3. 26 0 stack-mgr 13631 3774917 28728769 167 2. 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. 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%. 4, targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. 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). sh processes memory platform sorted location switch 1 rp0 (Page 1 only) The switch/stack is running on 16. PDF - Complete Book (9. 95 MB) PDF - This Chapter (1. 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. Beginner. 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%. This will generate a list of all ports participating in spanning tree and the. Just swapped a failing 2960X with a 3850 and have high CPU (fed main event and linux_iosd-image . NOTE: The number of TAC Cases associated to this bug has gone so. 59 600 25 24000 4. Step 2: Determine the CPU Queue that Causes the High CPU Usage Condition. 5 cli command "show platform punt statistics port-asic 0 cpuq -1 direction rx | append nvram:. 1-If we stop polling or disable all the traps,will the SNMP enginer process will release the memory its holding currently. This requires the switch to receive the DHCP Discover and punt this packet up to its CPU to process. Core 0: CPU utilization for five seconds: 99%; one minute: 98%; five minutes: 98%. Core 1: CPU utilization for. 1 get-type exact entry-op ge entry-val 50 poll-interval 0. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process . 5 High CPU caused by pdsd, iosd processes (3850 switches) Norix S Beginner Options 08-25-2016 11:03 PM - edited 03-08-2019 07:09 AM Experts, we have. 01 26. Switch Ports Model Serial No. 7 due to a number of bugs on the previous firmware, including high CPU utilization. Command Reference, Cisco IOS XE Gibraltar 16. 3. NOTE: Stack in Bundle Mode. Figure 23. X then this is due to a well-known bug: CSCuo14511. 35 Command Summary - High CPU Troubleshooting Steps Check CPU usage on IOS threads Commands show process cpu detailed process iosd [sorted] Check CPU usage on platform dependent and Nova threads Check traffic on the RX and TX CPU queues show process cpu detailed process {fed platform_mgr stack-mgr ha_mgr. 96 29. 5 cli command "show platform punt statistics port-asic 0 cpuq -1 direction rx | append nvram:. 93 0 stack-mgr 5846 3930459 20739688 103 24. 12-29-2009 02:32 PM - edited 03-06-2019 09:06 AM. 33 4. uSecs . Core 1: CPU utilization for five seconds: 18%; one minute: 24%; five minutes: 28%We have one Catalyat 3850 switch with High CPU utilization. 0(2a)EX5 with the CPU processes to follow:. 1. 7. 06. Switch #1 PunjectRX = 15. 检查是否存在可能的安全问题。. 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. 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). Now CPU processing of the stack is very high and it causes the packet loss. type . 01 49. CSCuo14511 fed and stack-mgr causing High CPU on 3850 . so that you can only see the processes that actually use CPU cycles. Check if somebody is logged into and executing commands through an SSH session. action 3. The use of CLI commands such as show tech-support over SSH can cause very. core". Cisco 3850 High CPU due to fed Go to solution. 7 or Earlier Might Crash Unexpectedly - Software Upgrade. Contacts; Feedback; Help; Site Map; Terms & Conditions; Privacy Statement; Cookie Policy; TrademarksHow to configure AVB. WS-C3850-24XS-S. Es importante monitorear estas colas para descubrir qué paquetes se envían a la CPU y cuáles son procesados por Cisco IOSd®. According to Cisco 3. The Cisco Catalyst 3850 Series Switches support dual redundant power supplies. PT-3850#show proc cpu sorted The stack has been up for 1 Year and 16 weeks. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption. the second number in arrow above shows the interrupt percentage value. 1 syslog msg "high CPU detected" action 0. Cisco 3850 Reporting lsmpi_io. 02. High CPU Usage Caused by Process or TrafficTraditionally, most of smaller Cisco switches (3750, 3850, 2960, etc. 07. Use this handle in the show pds client <handle> packet last sink command. 02. 01 2. 9. PDF - Complete Book (8. I am monitoring this device's CPU with Prime Infrastructure 3. 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. I performed the platform packet capture and it's indeed a lot of ARP Requests being spammed. 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'm having issues with switches in my network , high cpu bounces from code to core , Switch-xxx#sh processes cpu | ex 0. 第2步：確定導致CPU使用率過高的CPU隊列. 0 info type routername action 2. PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5717 251676 36349739 1470 27. 21 does not. 0 syslog msg "High CPU utilization detected on $_info_routername" Cisco bug ID CSCup49704 - 3850 FED Crash - Waits for SPI channels FED_SPI_FLCD,FED_SPI_FAST. ' As the script collects data, it increases CPU utilization. 6. This is log from 3850: <188>377: Dec 14 13:16:09. Here is the part of the "show process cpu sorted". 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. Hope that helps. 2. An example is a cisco 4500X switch with a sample of the configs shown below. Monitoring tool shows Memory 1 is running with 90% (above threshold limit) and other memory is fine. 3850-48-01#show processes memory. 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。. 6. 3 that is constantly showing high memory utilization. process cpu threshold type total rising 80 interval 5! event manager applet High_CPU authorization bypass event syslog occurs 1 pattern "CPURISINGTHRESHOLD" action 1. Please see details below. 01 2. This document describes causes of high CPU utilization on the Cisco Catalyst 3750 Series Switches. CPU utilization for five seconds: 98% /3%; one minute: 96%; five minutes: 98%. x. WS-C3850-24XS-S. Processor Pool Total: 886321088 Used: 335837328 Free: 550483760. 11 0 DAI Packet Process 3850-2#show processes cpu detailed process fed sorted | ex 0. Thanks, Tom . There were heaps of logs like below: 4801: Alternate Pool: None Free: 0 Cause: No Alternate pool. action 3. 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. ST3-Stack1-3850#sho proc cpu sort | e 0. To avoid high CPU usage, do the following:. 1. CSCup49704. 有关详细信息，请参阅 排除CPU使用率. So, most likely a hardware issue. Book Title. found a flapping port- disconnected and CPU seems to be stable. Normal Conditions with High CPU Utilization. I can't see anything else strange if I look at the output from the following commands: show proc cpu. 6. 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. 04. txt" action 6. According to our customer's feedback, the CPU usage rate of a Cisco aggregation switch has increased recently. 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. Sw Ver. High CPU on 3850 Stack . It is controlling two ASAs with not much traffic passing through them. 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%. 1. EN US. 2 cli command "enable" action 0. " Reference: Catalyst 3850: Troubleshooting Output drops. 0. Beginner. x (Catalyst 3850 Switches) Chapter Title. I am having some very strange issues on my 3850 stack. 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. . My Catalyst 3850 is showing high CPU utilization and I am unsure what is causing the issue. n164-3850-DHS-SP-1stFL-1#show process cpu detailed process iosd sort | exclude 0. SE , that present problems of increased CPU (until 80%) for no apparent reason. Symptom: SISF main thread or SISF Switcher Th process causing high CPU. 5b without a noticeable change in CPU levels. High CPU Troubleshooting Workflow Case Study 1. 26. - Set Main LED and ports LEDs. 7. here is the output: DC1#show process cpu | ex 0. Cisco Public 34. - Check the status of the transceiver. Es importante monitorear estas colas para descubrir qué paquetes se envían a la CPU y cuáles son procesados por Cisco IOSd®. #show process cpu detail process fed sorted Core 0: CPU utilization for five seconds: 67%; one minute: 61%; five minutes: 63%It looks like the fed and iosd process is running high. 1, 16. PDF - Complete Book (8. Second thing Please find way to troubleshoot high cpu on 3850:. As the process is using 18. Cisco IOS uses multiple techniques for L3 routing a packet in software: (1) process switching (2) fast switching and (3) CEF switching. Importers, exporters, distributors and users are responsible forCisco Catalyst 2960-X Series Switches, Cisco Catalyst 2900XL Software. Runtime(us) CPU time that the process has used (in microseconds). r/Cisco. 0(1)EZThrough our monitoring system we saw an peak in the CPU usage on one of our C3850 switch stacks. 0. I am NEw here and i Need some help I have a Catalyst 3850 WS- C3850-48T / 03. you have to execute "show platform QoS queue stats" output to check for drops. 06. Core 1: CPU utilization for five seconds: 99%; one. Are there any pollers out there than can show the correct memory. What IOS version are you using? If, though, you have a high software forwarding CPU usage, that needs investigation. clear socket PID. 69 34817 iosd There are several bugs involving high CPUs and "stack-mgr" and "iosd" processes and CSCuo14511 is one of them. The updated graph more accurately displays the true I/O rate of the interface. IPX broadcasts - Check if the router is overwhelmed with IPX broadcasts using the show ipx traffic command. 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. Command Reference, Cisco IOS XE Fuji 16. 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. Please provide the output to the command "sh processor memory platform sorted location switch 2. As stated earlier, I plan to upgrade the software to 3. 72% Switch #2 (the ironic thing is that this switch is a hot spare and has nothing plugged into it) stack-mgr = 32. you have to execute "show platform QoS queue stats" output to check for drops. CPU utilization for five seconds: 98% /3%; one minute: 96%; five minutes: 98%. 66 26. 41 49. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. 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 |. 07-17-2019 12:32 AM. Below is the logs from the switch: HOSTNAME#sh ver Cisco IOS Software, IOS-XE Software, Catal. 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. 3. contact Cisco TAC and open a ticket so they can look into the issue. 6. action 3. For example, on a 3650 I have traffic punted to the CPU from FED for SW forwarding queue and notice a lot of dropped packets. for one particular 3850 stack, it shows 70%, whereas the switch CLI shows; #sh process cpu sorted. 2. action 3. I have two switches in stack, which have high CPU processing, I see that the fed process is consuming too many CPU resources. Core 0: CPU utilization for five seconds: 7%; one minute: 11%; five minutes: 10% 283 I 574800 3225649 0 4. Fed is by far the highest consumer with Iosd coming in 2nd. 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. 12. Is that's not possible, then traffic is punted to the Control Plane/CPU so it can be processed . This command initiates a graceful switchover from the active to the standby switch. and are only doing packet forwarding you could consider changing to a layer 3 switch, like a Cisco 3850. Background One or more cores of the CPU might exhibit high usage due to one of these processes/threads: FED/fed-ots-main FED/Punject Rx FED/XCVR FED/XCVRPoll Step 1. I have researched and cannot figure out what this process is for. I would recommend to use other DHCP server and exempt your 3850 device from this process. Hello everyone, We are having trouble with a Cisco WS-C3850-24P running version 16. 如果最近没有对网络进行任何更改，则安全问题尤其. I have found that the delay is so high when I telnet 10. 663: %PMAN-3-PROCHOLDDOWN: F0/0: pman: The process fed has been helddown (rc 139) Chassis 1 reloading, reason - Reload command. 65% 0 SNMP ENGINEOptions. - Check on system temperature status. This is causing processes like SNMP and SSH to freeze up and not work properly. 44 23. Task . Dec 13th, 2016 at 9:06 AM. EEM-Beispielskript (Embedded Event Manager) für Cisco Catalyst Switches der Serie 3850. 79% Replenish OOB = 16. 05 will be stable ? or 16. So, we built the pool according to these guidelines:Email Alerts. Notice that the Cisco Catalyst 3850 Series Swtich uses four cores, and you see the CPU usage listed for all four cores: 3850-2# show processes cpu sort | exclude 0. 5sec 1min 5min Process. 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. Diagnose a Potential Stack Cable or Port Issue. Cisco IOS Software refers to the single bundled Cisco IOS image for both the Supervisor Engine and Multilayer Switch Feature Card (MSFC) module. Thanks. 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 Cisco Catalyst 3850 Series Switch has a number of queues that cater to di erent types of. Cisco IOSd®: Linux 커널에서 실행되는. 06 to 16. We have two 24 port 3850 switches stacked. 2. mil1. These switches seem to be working fine with no CPU issues so far but as I said before they all have bugs. 12. This will be the second beta rebuild on 16. 99 MB) PDF - This Chapter (1. X or 3. Core 0: CPU utilization for five seconds: 96%; one minute: 96%; five minutes: 96%. 9300-Switch#show platform hardware fed switch active qos. 2. Switch_1# sh processes cpu platform sorted location switch 1 R0 | in fman. We have one Catalyat 3850 switch with High CPU utilization. We tried disabling ip dhcp snooping on user VLANs and adding deny all rule for ipv6 but nothing helps. 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. As the process is using 18. Enterprise Switching Business Unit is happy to announce availability of Beta release of 16. It is installed on VMware with the minimum requirements. 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. 03 cli command "no monitor capture tac_cpu" 관련 정보. CPU utilization of the process in minutes and seconds. Cisco 버그 ID CSCup49704 - 3850 FED 충돌. 9. Symptoms of high CPU (SR 680000139) have also been seen to trigger this type of issue. Issue is happening only on working hours, so likely that connected to user activity. 97 26. €. 0. 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。Core 2: CPU utilization for five seconds: 93%; one minute: 96%; five minutes: 95%. The output (Cisco IOSd® CPU output) shows that ARP Snoop, IP Host Track Process, and ARP Input are high. The show process cpu command is used in order to display the current process state inside of the IOSd daemon. I have already found out that the high core usage is only happening on switch 1. txt. ip dhcp snooping vlan 1-110. Identify the Process that Consumes CPU Cycles Step 2. Below is detailed output from fed and iosd as an example. 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. 33%. 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. 手順4:FEDトレースの使用. 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. Description. The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing 00networks, enterprise core and distribution layers, and service provider applications. 6. See the attached process output. EN US. 1 syslog msg "high CPU detected" action 0. 7andalllaterCiscoIOS XE16. 3850-48-01#show processes memory platform sorted. This has happened after the switch IOS has been upgraded from 3. 5. 6. Invoked . Wondering why the IOSXE-RP Punt Se process is fairly high on our SDA border nodes. 03aSwitching . Options. 39 0 pdsd 8581 3259771 25430981 187 2. Can any one explain what is. Checked from the monitoring software, the CPU usage is high. . I was struggling with high CPU utilization problems happening on the distribution switch. 10-11-2017 08:11 AM. 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。. Currently have a hardware issue with some PCs on our network flooding traffic, this is resulting in high cpu usage on our 3850 switches. 4, then you're probably hitting this bug CSCuz57493 - High CPU observed in punjectrx fed-ots-main thread. These regions/banks are called ACL TCAMs (TAQs). 283 I 574800 3225649 0 4. _MX# sh processes cpu detailed process fed sorted Core 0: CPU utilization for five seconds: 6%; one minute: 5%; five minutes: 5%. If there is SFP port in use, it might be a little bit high. 11 0 IP Host Track Proce #show processes cpu detailed process fed sort | ex 0. In Cisco IOS XE Release 3. Core 1: CPU utilization for five seconds: 34%; one minute: 14%; five minutes: 13%. Symptoms of high CPU (SR 680000139) have also been seen to trigger this type of issue. Reduce the Interval to 1ms and Reset the Graph. The Cisco Catalyst 3850 Series Switch has a number of queues that cater to different types of packets (the FED maintains 32 RX CPU queues, which are queues that go directly to the CPU). * 2 52 WS-C3750G-48PS 12. Schritt 3: Verwerfen Sie das an die CPU gesendete Paket. CPU Q Id : 23 CPU Q Name : CPU_Q. 97 1088 fed 9926 3902102 37182712 364 8. 80. 95% 78. If the IP input process uses unusually high CPU resources, the router is process-switching a lot of IP traffic. Troubleshoot High CPU Usage in Catalyst Switch Platforms Running Cisco IOS-XE 16. xE image, your boot loader will not automatically downgrade. RSS フィードを購読する. Post the complete output to the following commands: sh platform software status control-processor brief. 00 4. WS-C3850-12XS-S. adams 2. Enterprise Switching Business Unit is happy to announce availability of Beta release of 16. 06. Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12. Peaks are cyclic and take place one a minute during 15 seconds more or less, I have checked processes: 111111111111111 6666600000000000000066666. 6 28. This script emails an alert when CPU utilization goes above 50 percent. 4. 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。. Download and copy the IOS version file to a USB flash drive, and connect it to the USB port of the C3850 switch. uSecs . These are all different software techniques, with different performance in terms of the maximum number of packets that can be routed per second. Seeing the same issue on a 3850 stack. 1900 <-- Your system MAC address. 02 1088 fedI 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. It is. 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. WhenOnly TAC will know how to decipher what is causing the process "linux_iosd-imag" to be chomping up so much memory. 4. Core 0: CPU utilization for five seconds: 38%; one minute: 37%; five minutes: 29%. 通过设备 showprocess cpu sorted detai led 可以看到CPU四个核基本都达到90%以上，其中占用最多的进程为fed。.