Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

I have the following ACL configured and applied to the interfaces that have smart light controllers connected to them, and only want to allow them to talk to the cloud services.  However, Im seeing them try to chat to IPs outside of the ACL, which gi...

Upgraded this morning from IOS-XE 17.12.03 -> 17.15.03 (C9300-48UXM). I am now getting these messages in the logs:Apr 18 2025 08:45:34.943 CST: %IOSXE-3-PLATFORM: Switch 1 R0/0: fed: Stealthwatch Cloud is not initialized.Please configure to use this ...

 I am having issue with one of my desktops connected to my switch interface flipping between two MAC addresses (see the attached picture below for log). When I disconnect the desktop the IP and the MAC issues will not show in the log. I reimaged the ...

SamsonOjo_1-1751387314612.png
SamsonOjo by Level 1
  • 481 Views
  • 17 replies
  • 0 Helpful votes

I am running a 4506 Catalyst switch and CatOS. Here is the output of the show boot command.OFF_4506_24 (enable) show bootBOOT variable = bootflash:cat4000-k8.7-6-3.bin,1;CONFIG_FILE variable = bootflash:switch.cfgConfiguration register is 0x2ignore-c...

burleyman by Level 8
  • 5645 Views
  • 6 replies
  • 0 Helpful votes

Hello everyone, I have an issue with my setup. I have two Cisco C9300X-48P switches running IOS version 17.12.9, configured in a stack. The problem is as follows:The switches are connected to servers via dual links (one from each switch), with LACP c...

Hasaki by Community Member
  • 256 Views
  • 6 replies
  • 1 Helpful votes

Hello.After a small power failure, one of the Nexus 9k, after loading, began to reboot after 5 seconds and so on in a circle. I decided to reset the configuration via boot loader, as a result, now the system does not load, I did this at the start of ...

12.png 13.png

Hello everyone,I hope everyone is doing well.I was looking at some q-in-q concepts and if anyone can tell me what i am doing wrong i would be forever grateful.Topology:SW1:interface GigabitEthernet1/0/8 switchport access vlan 1024 switchport mode acc...

DragosMariusAvram66611_0-1751227773294.png
milo34 by Level 1
  • 291 Views
  • 5 replies
  • 0 Helpful votes

Hello Team, FAM!Attached is my high-level topology between DCs, need help setting up vxlans, Please guide me ,  

fmugambi_0-1749539923298.png
fmugambi by VIP
  • 364 Views
  • 5 replies
  • 0 Helpful votes

Hi Dears I am connecting Huawei switch with Cisco nexus9k switch. When I enable vbst stp mode in Huawei switch then traffic seems not working. When I run mstp in Huawei switch then it's working. Cisco is running pvst in  both scenarios.  I am wonderi...

Faizandoger by Community Member
  • 430 Views
  • 13 replies
  • 0 Helpful votes

Is the plug standard of the power cord CAB-TA-JP used in the C9200L-24T-4X-E different from that recognized in NEMA 5-15?The power cord diagram can be seen below, but we would like to see it without any explicit description.https://www.cisco.com/c/ja...

Translator by Community Manager
  • 135 Views
  • 2 replies
  • 0 Helpful votes