Hello allI´m using a Cisco ISR 4321 with version 15.5(3)S4b, I need to block all traffic from one specific mac address. So far I have found that I have to run this commands  mac access-list extended DENYMACdeny   host aaaa.bbbb.ffff any class-map typ...

Hello I have a DMVPN topology using certificates for authentication. The validation of the certificate works very well, but only occurs when the tunnel is starting and I need that, although the tunnel is working, each time the revocation of the cert...