For 10 years, this has worked. There has been no updates, firmware or configuration. 3 location site to site VPN. At the main site is an Exchange server that requires port 443 for Activesync. It's been working. Suddenly yesterday at lunchtime, client...

We've got a Cisco RVS4000 router, connecting a 3 site business using the VPN. Currently running fine with ADSL at 2 sites and SHDL at another. With the NBN arriving, the client chose Commander for their internet at one site. We cannot get the router ...