Is it still possible to revert from C3PL back to legacy mode?

[antonioyan99]

Hi ISE Guru,

By accident,  on switch port level, I typed in command  'access-session host-mode multi-auth', and  then I didn't really understand the warning about converting to C3PL format, so I hit 'enter'.

Now it looks like it's in C3PL format. Is that possible to revert back to legacy mode?  Can it be done by an IOS upgrade or downgrade?

Fortunately this is a POC test switch, but unfortunately if I can't revert it back,  will have to change the format for all the production switch.

I don't think the client will allow me to do so.

Please help!!

Thanks a lot.

[Karsten Iwen]

If it's POC-switch, a "write erase" and "reload" should do the job. After that you start over with your legacy config.

[antonioyan99 · Accepted solution]

Thanks a lot, now it's a relief. I will keep working on the C3PL format as long as I can start over.

[Shwetha Singh · Accepted solution]

I too have the same issue, but my device C9410R is in production, if I take a downtime and perform write erase, will be revert back to legacy mode? or is there any other alternate, please suggest.