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We have an issue since a long time upgrading the software of a Catalyst 9300 Switch. We are currently running 17.03.04 and wanted back then to 17.09.05 and right now to 17.12.04. The Problem, there is a virtualization machine connected with multiple ...

Consider the following scenario:Switch port on Cisco 3650 configured with authentication host-mode multi-auth and switchport access vlan 101Unmanaged 'dumb' switch connected to a switchport on the Cisco switchTwo devices connected to the unmanaged sw...

eku1s by Level 1
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  • 3 replies
  • 0 Helpful votes

i am searching about the Eve Nexus 9k, which includes the VRF feature. I downloaded 9.3.9, but it does not include VRF. I want image series 9300Does anyone know what exactly that ver that I downloaded? ?

shahi22 by Level 1
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  • 4 replies
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I'm a student in IT and in packet Tracer we created a network with switches.Now I configured the ssh for  remotely connection from one of the pc's.Because it's in packet Tracer I only can use cmd-prompt (no putty or TeraTerm) My configuartion:  #conf...

Valeriek76 by Level 1
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  • 5 replies
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Hello everyone,this post is not so much a question as an exchange of knowledge and experience about an issue we had with device tracking.We were having issues on our network that sometimes, not reproducibly, connections between endpoint and server wa...

I have an unmanaged POE 24 port 110 series switch I bought back in April. Last week 8 of the 12 POE ports stopped working, 1-8. 9-12 seem to work. And the other non POE ports seem to work. Is there any coming back from this or will I need a new switc...

ec11746 by Community Member
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  • 1 replies
  • 0 Helpful votes

Hi  I’m planning to upgrade a stack of Cisco C9300 switches and would like to ask if there’s a best practice or recommended approach for doing so. The customer has specifically asked whether it’s possible to perform the upgrade without any downtime.I...

Hi , I have a switch 3750 stacked , I don't have IP-phone some of my links get up & down repeatedly (I see this in switches 2960 too) Jul 1 10:24:12.159: %LINK-3-UPDOWN: Interface GigabitEthernet2/0/3, changed state to downJul 1 10:25:03.831: %LINK-3...

fbabashahi by Spotlight
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  • 11 replies
  • 5 Helpful votes

here Putty record , I have two switch same issue . Booting...Interface GE 0 link down***ERROR: PHY link is downThe "IP_ADDR" environment variable is not set. Getting rest of imageReading full image into memory...Check base package header ...: done = ...