CatOS

[sivam siva]

HI

can anyone tell where we use CatOS and why ?

i know only about Cisco IOS.

Thanks in advance.

[nazimkha · Accepted solution]

Catalyst switches started with CatOS and has been moved to IOS / IOS XE now

https://learningnetwork.cisco.com/thread/8072

[Daniele Giordano · Accepted solution]

Hi, CatOS is an old eol layer 2 operating system used befor IOS.

In my opinion there is no reason to use catos today. It's not suppored from a lot of devices.

If you are courious you can get some informations on this external post:

https://www.fryguy.net/2011/08/15/catos-and-ios/

Regards.

[sivam siva]

Thanks both of you  for the information.

so now a days cisco doesn't release the catos devices right ?.

[Daniele Giordano]

Yes, CatOS is in end of life:

https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-6500-series-switches/prod_end-of-life_notice0900aecd80699e1a.html

2008 was the last year of selling for CatOS.

Probably you can find some old CatOS device on the market of used/refurbished devices.

Regards.

[Leo Laohoo]

There are still some handful of networks that have CatOS switches in them.
The reason why they're still there is because they don't have the funds to upgrade them.