WebMar 28, 2024 · Cisco Bug: CSCvy24440 - [SDA] C9300 17.3.2a - Traceback in logs related to "SISF Main Thread" process. Products & Services; Support; How to Buy; Training & Events; Partners; Cisco Bug: CSCvy24440 [SDA] C9300 17.3.2a - Traceback in logs related to "SISF Main Thread" process . Last Modified. WebOct 5, 2024 · The root cause of this traceback because there is an all zero source mac passed in and trying to create mac entry in SISF. This traceback won’t cause any crash. 0 Helpful
High CPU on 3850 Stack : Cisco - reddit
WebJul 30, 2024 · %SISF-3-INTERNAL: Internal error, Invalid event State :MAC-REACHABLE, Event :MAC_VERIFIED -Process= "SISF Main Thread", ipl= 0, pid= 448 -Traceback=: 80E6DCz 1CD6E98z 1C84DA4z 1C69508z 1C865ACz 1C871C4z 1CAEC0Cz 1CD8B8Cz 3BC696Cz 3BCA6ACz 1CD8F5Cz 3B30F98z 3B1DE5Cz 3B19B4Cz WebOct 21, 2024 · 377 43504784 4954399 8781 28.89% 28.67% 28.75% 0 SISF Main Thread switch#sh processes cpu plat sorted CPU utilization for five seconds: 67%, one minute: 54%, five minutes: 52% Core 0: CPU utilization for five seconds: 50%, one minute: 55%, five minutes: 52% Core 1: CPU utilization for five seconds: 51%, one minute: 53%, five … bnsf winnipeg
Troubleshooting FC-SP, Port Security, and Fabric …
WebFeb 9, 2024 · Symptom: SISF main thread or SISF Switcher Th process causing high CPU. The root cause of the issue is with any ICMPv6 or DHCPv6 Solicitation packet and when … WebJan 17, 2024 · The main processes which were consuming most of the cpu were SISF Switcher Thread and SISF Main Thread. The processor load usually goes away when we either disabled dhcp snooping completely (removed all dhcp snooping related commands from the switch) or did limit the dhcp snooping to one vlan (eg. ip dhcp snooping vlan 2). WebJan 22, 2024 · Processes eating CPU are: ARP Input, SISF Switcher Th, SISF Main Thread Issue is happening only on working hours, so likely that connected to user activity. We tried disabling ip dhcp snooping on user VLANs and adding deny all rule for ipv6 but nothing helps. Switch firmware is 16.6.6, haven't seen any related bugs for this version. clics robo racers