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 two C9200-24T switches that I have setup and stacked, and next I was looking to update the from 16.10.1 to 16.11.1. I had read the update process for the 9200's were different. Can I no longer copy the Bin file to flash and then execute a boot...

Hi All, We have a couple of 4500-X switches in VSS mode that would need a routine maintenance reboot. We plan to reboot both the chassis together and bring them back to the same state as before. What are the commands that need to be executed from the...

KB5 by Level 1
  • 1497 Views
  • 4 replies
  • 5 Helpful votes

Help me!Log Buffer (4096 bytes):Interface EOBC18/1, changed state to up*Aug 23 04:55:41.364: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to down*Aug 23 04:55:41.364: %LINK-3-UPDOWN: Interface LIIN18/2, changed state to up*Aug 23 04:55...

Hi experts,I recently got complaints that some clients can't get IP address through the DHCP server configured on a Cisco IOS router. I turned on debugging on DHCP events and packets and I see the following logs.Mar 22 15:33:41: DHCPD: DHCPREQUEST re...

Hi all.I have a problem between Nexus 5K and Catalyst 9500 (C9500-48Y4C / Stack Wise Virtual).The VPC is reporting an error (vpc port channel mis-config due to vpc links in the 2 switches connected to different partners)The N5K's were connected to a ...

mfilser by Level 1
  • 2433 Views
  • 3 replies
  • 5 Helpful votes

Hi, I purchased a number of used Cisco 1600 APs from Ebay.  I would like to use them in Autonomous mode.  One of the has this firmware on it (albeit old version).   Since I don't have the ability to get me a more recent version I would like to export...

cme60 by Level 1
  • 1180 Views
  • 3 replies
  • 0 Helpful votes

I have an older Cisco 2960 Catalyst switch that has been in operation for years with 7962 phones behind it.  The config has not changed and all of a sudden I have begun having trust issues with the phones: May 8 21:23:25 EDT: %SWITCH_QOS_TB-5-TRUST_D...

jwilder01 by Level 1
  • 2926 Views
  • 3 replies
  • 5 Helpful votes

I've done quite a bit of digging and I can't find anything so I'm going to ask here.  Does anyone know if turning this feature off globally in a 6500 is potentially service impacting?  We have a couple of Juniper SRX boxes on our network that are hav...

Hi guys, I'm used to VTP configuration. But I never understood what does the following line highlight means when issuing the "show vtp status".And I've noticed that It only appears on the vtp server. Switch#sh vtp statusVTP Version capable : 1 to 3VT...

Hi,Show vlan returns ambiguous command .Even I tried after restoring the router to factory state and deleting the old vlan configuration with:delete flash:vlan.dat erase startup-config

amh4y0001 by Level 3
  • 11813 Views
  • 4 replies
  • 0 Helpful votes

Hello,We have a case where a customer has upgraded the IOS for his C3850 to a version higher than 16.9.1.He was not aware that he had switched on Smart Licensing.Let's assume the customer had bought this equipment in 2018 with the permanent IP Base l...

NHanstein by Level 1
  • 1491 Views
  • 3 replies
  • 0 Helpful votes