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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hello ,  we are using Cisco Catalyst 9300 as below in install mode and we have  completely classical routing features etc.   As we want to upgrade on Cisco Portal we have no more IOS Image  with same Bengaluru series. I believe now we  have option to...

uni1389 by Level 1
  • 525 Views
  • 7 replies
  • 0 Helpful votes

Very strange behaviour on a layer 3 switch. The second entry can affect the first entry in an ACL.A computer is in a vlan. The vlan has an ACL. The ACL references an object group to specify the protocol and port number.interface vlan4 ip address 192....

Josh Mil by Level 1
  • 682 Views
  • 13 replies
  • 0 Helpful votes

Anyone willing to assist,Been trying to upgrade the IOS for a WS-C3850-48T via USB and I'm getting this error "%IOSXE-3-PLATFORM: SWITCH 1 TO R/0 KERNEL: SCSI 1:0:0:0 REJECTING TO OFFLINE/DEAD DEVICE".  After this error message my usb device is then ...

chrisd52 by Level 1
  • 838 Views
  • 4 replies
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Hi,I have checked the https://tmgmatrix.cisco.com/ website and GLC-FE-100LX or GLC-GE-100LX SFP models are not compatible with  C9300-NM-8X expansion modules.Has anybody tried these SFPs models on this expansion module before?My only alternatives is ...

Rassic by Level 1
  • 251 Views
  • 4 replies
  • 0 Helpful votes

Hi guys,I have a 9407R switch chassis running with just a single SUP-1 module.However, we are bringing in a used secondary SUP-1 from another site, to add this into my switch as redundancy.The thing is, the old SUP still has old config from the other...

JaganV by Level 1
  • 635 Views
  • 10 replies
  • 0 Helpful votes

Hello,I would appreciate, if someone could please confirm my understanding:The CPLD version is embedded in the uploaded image*, it is not available as individually download from the Cisco Download site. However, when upgrading the switch, the CPLD ve...

Netmart by Level 3
  • 351 Views
  • 3 replies
  • 0 Helpful votes

Hello dear;I have a Cisco C3850-12XS and original Cisco SFP-10G-LR-S, I have tried to install the SFP on the switch, but not works, the switch detects it and show all details about it in 'show inventory...' command, but when I connect it to other swi...

ROM: IOS-XE ROMMONBOOTLDR: System Bootstrap, Version 17.15.1r [FC1], RELEASE SOFTWARE (P)hostname uptime is 7 hours, 11 minutesUptime for this control processor is 7 hours, 13 minutesSystem returned to ROM by Power Failure or Unknown at 04:19:14 UTC ...

SatohT by Level 1
  • 365 Views
  • 7 replies
  • 0 Helpful votes