Hi everyone, May I ask if it is ok to buy a performance license and use it on a router that has an old firmware version? We are worried if it might take effect or not.  This is the current firmware versionbootflash isr4300-universalk9.03.16.04b.S.155...

Hi Gurus, Where can I check logs if a user cannot connect suddenly to a wifi with mac filtering? User can connect to this wifi 3 months ago. We use a server for mac database. For troubleshooting I did put a local mac filter to test it but the user st...