Can 2821 router with appropirate IOS image be L2TP network server and support 400-500 L2TP simultaneous connections? We want to use access VPDN that uses L2TP as tunneling protocol to provide remote users access to our services and to the Internet.

Hi everybody,When I power up Cisco IP phone 7970,these button flashes in sequence:headset, mute and speaker. Then line keys start flashing green in sequence. Then headset button start flashing green.After 15 seconds everything stops. Switch Catlyst E...