Switching

I have 2 brand new 2960X switches and neither are responding to cli commands via the RJ45 to DB9 cisco cable.  Text is displayed but when I hit enter on the keyboard nothing happens and the switches just sit at whatever the last boot ouput is. 2960-X...

Hi All, I'm thinking of purchasing a Cisco C891F-K9 router for test purposes, as there's a fair few on Ebay. Does anyone know if their will be any issues with licenses or warranty transfers with these units? With it being Ebay, the original owner may...

we are trying to upgrade the image on the VSS pair but whatever we try it goes in to rommon mode.boot system bootdisk:filenameboot filename any help on what the config line should be . thanks

hi,i just performed an IOS upgrade and got a report that admin can't create L2 VLANs.i noticed the 'vtp primary force' and 'vtp primary mst' was applied to one of the core switch and perhaps got lost after the upgrade.how to keep the VTP primary pers...

Hi, I'm facing a weird situation in a LAN which Catalyst 9410 is the core of the network, I have a few ports in a Ether-Channel and trunk to two VMware ESX Hosts. Also, the servers vlan have 2 IPs (primary and secondary) due a legacy devices. What I'...

Hi,We were  in the process of upgrading to version 8.4.1 and ended up running into a issue. We initiated the upgrade on the core. During the software and system integrity check a problem was detected. The system informed me that there had been multip...

This is the Cisco link for License Reservation:https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst_slr/b-169-9000-series-SLR-cg/b-169-9000-series-SLR-cg_chapter_00.html#task_c5k_ksp_42b Problem is this,. I built a stack and put them into Prod...

Hi, I have some Cisco 3850-12S-E switches currently running software version 03.06.06E.I know now that I have options of either Denali, Fuji or Everest depending on what features I need.Basically the switch isn't doing anything too fancy - just layer...

Sorry, for any mistakes, since this is my first posting but, would anyone have an idea of why a Catalyst 2960x switch will not allow me to interrupt its boot process without ending up rebooting? I made the mistake of using the enable secret command a...

Hi,When a few switches are stacked, during the boot one of them states an error:Switch X has a platform mismatch with the stack. Only on changing to a compatible bandwidth mode will the switch joinWhen booted, show switch command output in master swi...

 Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 16 WS-C3850-12XS 16.9.4 CAT3K_CAA-UNIVERSALK9 BUNDLE while trying to figure out how to show hardware counters for specific ACLs, I ran into a hardware crash ...