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Hi there, i have a set of 3 C9200L-48P-4G within a stack.  these are on 17.12.02 as i upgraded them due to encountering what i thought was bug CSCwc41288,since the upgrade, the switches ran fine for months and then the observed behavior has come back...

PSPICT by Level 1
  • 327 Views
  • 4 replies
  • 0 Helpful votes

I have two cisco Nexus3500 C3548P-10GX Chassis connected to one another via L3 port-channel. MTU on the system and interface are both set to 9000, however I am unable to ping over link more that 1478 bytes?

Hi,my understanding is that if you enable “portfast” on the access ports, you should also enable “spanning-tree bpduguard enable”. We have some Cisco Catalyst C1200 series here now and I don't see any way to enable bpduguard there. it simply doesn't ...

buttiman by Level 1
  • 393 Views
  • 3 replies
  • 0 Helpful votes

Hello all,I work for an offshore drilling company. We currently have a platform that is having issues with an unmanaged switch attached to a 2960. Whenever they lose power, which is often, the devices connected to the unmanaged switch lose their IP a...

JaredRJ by Level 1
  • 2062 Views
  • 8 replies
  • 0 Helpful votes

It's 2022 ! Most applications support dark mode and I feel like Cisco Packet Tracer should too. Opening Packet Tracer, I am greeted with a huge almost blinding white screen. Is there a way to enable Dark Mode in Cisco Packet Tracer 8 ? Thanks !

monish by Level 1
  • 72231 Views
  • 19 replies
  • 40 Helpful votes

Hello, We are facing issues with a faulty SUP module, Chassis Type : WS-C4507R+E Faulty SUP: WS-X45-SUP7-EIssue: SUP Module has failed and stopped working; Redundancy status on the switch is disabled. Troubleshooting Steps:- Reseat the Faulty SUP.- C...

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SMujtba by Level 1
  • 289 Views
  • 2 replies
  • 0 Helpful votes