I have a Cisco SX20 endpoint registered into Webex room service.  The VC endpoint is configured with local LAN IP address and NATted into a public IP.   Does anyone know which firewall ports need to be opened?  Thanks,

I have two new switches C3560CX-12PD-S and C3560CX-12TC-S.  Their Software version 15.2(7)E1 and 15.2(4)E8 respectively.  When enabling the HTTP secure server, the errors returned.#ip http secure-serverFailed to generate persistent self-signed certif...

My Ricoh printer cannot be discovered via AirPrint with same SSID.  I'm using WLC 3504 with software version 8.6.101.0. Although the following services under mDNS have been enabled, the mDNS browser show nothing._ipp._tcp.local._ipps._tcp.local._prin...