@JohnKaftan2984 Just to answer your question, no the Catalyst 4500 services switches don't use IOS-XE like the Catalyst 9K switches. IOS-XE (>=Denali 16.1.1) uses a x86 architecture and runs IOS as a daemon (IOSd). It has the ability to also run 3rd party applications in as a container using LXC (Linux Containers). That is a very watered down explanation. I found this this FAQ that Cisco released that will help answer some questions of Cisco IOS-XE programmability: https://www.cisco.com/c/dam/en/us/products/collateral/routers/asr-1000-series-aggregation-services-routers/q-and-a-c67-737653.pdf Service containers are applications that can be hosted directly on Cisco IOS® XE routing platforms. The apps use the Linux aspects of the IOS XE operating system to host both Linux Virtual Containers (LXC) and Kernel virtual machines (KVM) on Cisco 4000 Series Integrated Services Routers (ISR), Cisco ASR 1000 Series Aggregation Services Routers, and Cisco Cloud Services Routers 1000V.   For more info, I would checkout the Cisco Live session -  Catalyst 9300 Switching Architecture - BRKARC-3863 on www.ciscolive365.com here is the slide deck https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKARC-3863.pdf ... View more

@darkgc To expand on what @balaji.bandi we would need to know more information. Usually determining your upgrade path, is to determine the version of code you need. First decide on what features you need and research the stability of the version (e.g. PSIRTs, field notices, unresolved bugs that may impact you, etc). Once you have determined the code that best fits your needs you can determine if there is dependencies that need to be met. At any rate, if you have a Cisco SE on your account they should be able to advise you, as well as, your channel partner if you purchase from one. Although, TAC can not recommend code they can put you in the right direction as well. Another good resource I use the software research tool: https://software.cisco.com/research/home   This is a great page with a bunch of tools you can use to look up PSIRTs, Bugs, Field Notices, EoX, etc. https://www.cisco.com/c/en/us/support/web/tools-catalog.html   HTH, Barry   ... View more

@art.jackson just curious, what version of code are you running? Are you running 16.1.10 or 16.1.11? We are on 11 right now. Let me know what TAC tells you guys. We are still working with TAC right now for a permanent fix. ... View more

@art.jackson Sorry to hear that we are using twinax for some ports and the LRMs as well. Just curious, did you reseat the CVR after issuing the service unsupported transceiver command? We had to reseat the CVR module. ... View more

@balaji.bandi sorry for the confusion, we are using OEM SFPs from Cisco. The 9500 is saying that the SFP's are not supported when they are Cisco SFPs. ... View more

@art.jackson Sorry to hear you are having an issue. One of our engineers have found a work around. We are using (OEM - original equipment manufacturer ) Cisco CVR modules and our engineer noticed in the syslog the following message "%TRANSCEIVER-3-NOT_SUPPORTED". We then added the following command “service unsupported-transceiver" and then re-seated the module. This seem to fix the problem and has been stable for the past week or so. We notified TAC to see if there is going to be an upgrade released soon but we have yet to hear back. Give it a try and see if it works for you. ... View more

Thanks @marce1000 I appreciate it! I'll check my device against the SN lookup tool for EOL dates. ... View more

Thanks @luis_cordova I appreciate the response. I guess its the part numbers and wording that is confusing me. Is the part number C1-CISCO4221J/K9 under the 1900 announcement referring to the ISR 1900? The part number PWR-1941-AC is definitely a power supply. However I don't see the same notice under the ISR 4000s. Reading this part of the notice is what is really confusing me. It is located in the 1900 section of the Cisco.com site but it references the ISR 4200. Further down the part numbers I listed above are the only parts listed in this notice: ... View more