Are there any issues with Ethernet MTU and L2TP, especially over xDSL links?
Shinder: There is a Q article that address MTU issues that might affect your configuration. It is Q301337. What else is needed to configure a VPN Gateway while going through a PIX 515 Firewall? Shinder: All you need to do is open the appropriate packet filters in the PIX to allow the VPN protocols through and you’re set. Make sure that you don’t use NAT behind the PIX, though. Will you cover an ISA Server-to-Win2k Server VPN gateway in addition to an ISA-to-ISA gateway? Shinder: The principles are the same, except that you can’t use the Wizards to create the gateways. You’ll have to manually create the Local and Remote gateways, and then create the appropriate packet filters on the ISA Server. This is a great idea for an article and I’ll write it up in the near future. Thanks! Does Win2000 Server support a gateway environment for an ISA Server to connect to? Shinder: Yes! In fact, you don’t even need to use ISA Server to create a gateway-to-gateway VPN. There are RRAS Wizards that will
