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[jaehwan.lee]

I'm having trouble using radius and tacacs in my office building.
Ask the equipment vendor to open a case for radius and tacacs

Serial Number : FGL1720X4BU,FGL1720X4B3,FGL1710ZAUQ,FGL1720X4C8

Please check the attachment below

[Jason Kunst · Accepted solution]

This is not the Cisco TAC

Here is the information to contact them
https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html