Switching

Hi Community:I have a CORE switch model WS-C4510R+E, it has 2 power supplies, and it presents the following alarm:A warning is observed for one input being turned off in each power supply and that component is going to be changed.What would be the co...

Hey! I am going to be migrating to a pair of C9500s and while looking through the documentation it states that the SVL links need to be Cisco SFPs. Is this just the normal Cisco "use our stuff" line or is it actually required? Anyone running SVL link...

Does the 9300 range have the ability to use some of its regular copper or fibre ports for stacking, rather than the dedicated stacking cables on the rear? I have two switches more than 5 metres apart that i would like to stack.

Hi Gents,We need to know the upgrade path to update to the latest recommended stable firmware version for Cisco IE 2000U switchesThe switch model is IE-2000U-8TC-G Industrial Ethernet Switchthe currently installed firmware version is 15.2(7) E2please...

Hello, when I try to upgrade, it fails because the file system (bootflash:) needs to free some space. From what I seen the files are in the directory bootflash:saved_cores. These are the file (there are a lot of this): 10653683 Jan 14 14:16:04 2023 1...

hi all,if i change the switch's ip and hostname, can people still ssh in the switch with there pub key's or will they need to put back in there pub keys again as i need to redo thecrypto key generate rsathanks,rob

Hi, I have a 2960x with a port configured for 802.1x authentication.When I plug the cable and provide the credentials the client is authenticated almost instantly, I can see it in freeradius log.The problem is that after the successfull authenticatio...

Hello, I am preparing to upgrade my Cisco C2960X-48LPS-L switch from the current software version 15.2(2)E5 to the Cisco-recommended version 15.2.7E10 MD. Could you please advise if I can proceed with this upgrade in a single step, or if there is a s...

Hi all,We encountered the following scenario while upgrading the 3850 Cisco switches in another office:Putty to SSH to the master switch and perform the upgrade to ver 16.12.11, waited almost 30 mins after the switch reloaded and it still wouldn't pi...

Security is asking about updating our Nexus switches to 10.5(1) since it isn't otherwise possible to mitigate CVE-2024-6387.Our Nexus switches handle critical datacenter operations and I'm hesitant to go to a non-preferred release.Anyone has good are...

Hello everyone,  Cisco Newbie here. The IP routing command does not work on my switch. what could be the problem?

Hello, If I want to check the health status of HW components (modules,memory,power supp,FANs) on a Cisco Switch (Specially for Nexus but Catalyst too) , what commands can you recommend? I have this: show enviroment , show module Any other good comman...

Aug 9SW#sh etherchannel summaryFlags: D - down P - bundled in port-channelI - stand-alone s - suspendedH - Hot-standby (LACP only)R - Layer3 S - Layer2U - in use f - failed to allocate aggregatorM - not in use, minimum links not metu - unsuitable for...

I noticed a former thread for this where the other person needed to RMA. Recently, i noticed that we had a blinking blue beacon on the standby supmod of this model in a C9407R running XE 17.09.05 (Cupertino).  A few days later now and i logged into t...